- Home
- Find Gizmos
- Search Results
Search Results
With over 500 online simulations, virtual labs, and interactive cases for math and science—there’s a Gizmo for just about everybody. Let’s find yours.
Equivalent Algebraic Expressions I
5 Minute Preview
Grumpy’s Restaurant is now hiring! As a new chef at this underwater bistro, you’ll learn the basics of manipulating algebraic expressions. Learn how to make equivalent expressions using the...
Lesson Info Launch GizmoEquivalent Algebraic Expressions II
5 Minute Preview
Continue your meteoric rise in the undersea culinary world in this follow-up to Equivalent Algebraic Expressions I. Make equivalent expressions by using the distributive property forwards...
Lesson Info Launch GizmoSolving Algebraic Equations I
5 Minute Preview
Are there times when you wish you could escape from everyone and just be alone? Meet our variable friend, a real loner who doesn't like coefficients and neighboring terms. Learn how to use...
Lesson Info Launch GizmoSolving Algebraic Equations II
5 Minute Preview
Is solving equations tricky? If you know how to isolate a variable, you're halfway there. The other half? Don't do anything to upset the balance of an equation. Join our plucky variable...
Lesson Info Launch GizmoSimplifying Algebraic Expressions I
5 Minute Preview
Meet Spidro, a quirky critter with an appetite for algebraic expressions! As Spidro's adopted owner, it's your responsibility to feed him so that he grows into… whatever it is that a Spidro...
Lesson Info Launch GizmoSimplifying Algebraic Expressions II
5 Minute Preview
Will you adopt Spidro, Centeon, or Ping Bee? They're three very different critters with one thing in common: a hunger for simplified algebraic expressions! Learn how the distributive...
Lesson Info Launch GizmoUsing Algebraic Expressions
5 Minute Preview
Translate algebraic expressions into English phrases, and translate English phrases into algebraic expressions. Read the expression or phrase and select word tiles or symbol tiles to form...
Lesson Info Launch GizmoUsing Algebraic Equations
5 Minute Preview
Translate equations into English sentences and translate English sentences into equations. Read the equation or sentence and select word tiles or symbol tiles to form the corresponding...
Lesson Info Launch GizmoSolving Linear Systems (Slope-Intercept Form)
5 Minute Preview
Solve systems of linear equations, given in slope-intercept form, both graphically and algebraically. Use a draggable green point to examine what it means for an (x, y) point to be a...
Lesson Info Launch GizmoSolving Linear Systems (Standard Form)
5 Minute Preview
Solve systems of linear equations, written in standard form. Explore what it means to solve systems algebraically (with substitution or elimination) and graphically. Also, use a draggable...
Lesson Info Launch GizmoFeel the Heat
- New!
5 Minute Preview
Have you ever used a glove warmer to keep your hands warm? How about an instant cold pack to treat an injury? In the Feel the Heat Gizmo, create your own hot and cold packs using various...
Lesson Info Launch GizmoWaves
5 Minute Preview
Observe and measure transverse, longitudinal, and combined waves on a model of a spring moved by a hand. Adjust the amplitude and frequency of the hand, and the tension and density of the...
Lesson Info Launch GizmoMolecule Builder
- New!
5 Minute Preview
Create molecules using building blocks of carbon, hydrogen, oxygen, nitrogen, and other elements. Connect atoms by bonds, then create double or triple bonds if desired. For each completed...
Lesson Info Launch GizmoRipple Tank
5 Minute Preview
Study wave motion, diffraction, interference, and refraction in a simulated ripple tank. A wide variety of scenarios can be chosen, including barriers with one or two gaps, multiple wave...
Lesson Info Launch GizmoElectromagnetic Induction
5 Minute Preview
Explore how a changing magnetic field can induce an electric current. A magnet can be moved up or down at a constant velocity below a loop of wire, or the loop of wire may be dragged in any...
Lesson Info Launch GizmoFactor Trees (Factoring Numbers)
5 Minute Preview
The Factor Trees Gizmo has two modes. In Factor mode, you can create factor trees to factor composite numbers into primes. In Build mode, you can build numbers by multiplying primes...
Lesson Info Launch GizmoAdding Fractions (Fraction Tiles)
5 Minute Preview
Add fractions with the help of the Fractionator, a fraction-tile-making machine in the Gizmo. Model sums by placing the tiles on side-by-side number lines. Explore the usefulness of common...
Lesson Info Launch GizmoUnit Conversions 2 - Scientific Notation and Significant Digits
5 Minute Preview
Use the Unit Conversions Gizmo to explore the concepts of scientific notation and significant digits. Convert numbers to and from scientific notation. Determine the number of significant...
Lesson Info Launch GizmoSenses
- New!
5 Minute Preview
Everything we know about the world comes through our senses: sight, hearing, touch, taste, and smell. In the Senses Gizmo, explore how stimuli are detected by specialized cells, transmitted...
Lesson Info Launch GizmoSolving Using Trend Lines
5 Minute Preview
Examine the scatter plots for data related to weather at different latitudes. The Gizmo includes three different data sets, one with negative correlation, one positive, and one with no...
Lesson Info Launch GizmoCircuit Builder
- Free!
FREE with no time limit!
5 Minute Preview
Create circuits using batteries, light bulbs, switches, fuses, and a variety of materials. Examine series and parallel circuits, conductors and insulators, and the effects of battery...
Lesson Info Launch GizmoMovie Reviewer (Mean and Median)
5 Minute Preview
Movie reviewers rate movies on a scale of 0 to 10. Each movie comes with a set of reviews that can be changed by the user. The mean of a data set can be explored using a see-saw balance...
Lesson Info Launch GizmoBuilding Pangaea
5 Minute Preview
In 1915, Alfred Wegener proposed that all of Earth's continents were once joined in an ancient supercontinent he called Pangaea. Wegener's idea of moving continents led to the modern theory...
Lesson Info Launch GizmoBalancing Blocks (Volume)
5 Minute Preview
This Gizmo provides you with two challenges. First, use blocks to build a figure with a given volume. Then, try to balance the blocks on a platform that sits on the tip of a cone. The...
Lesson Info Launch GizmoFractions Greater than One (Fraction Tiles)
5 Minute Preview
Explore fractions greater than one with the Fractionator, a fraction-tile-making machine in the Gizmo. Create sums of fraction tiles on two number lines. Sums greater than one are shown as...
Lesson Info Launch GizmoAverage Atomic Mass
- New!
5 Minute Preview
The atomic mass for each element listed in the periodic table is actually the weighted average mass of all of the different isotopes of the element. In the Average Atomic Mass Gizmo, use a...
Lesson Info Launch GizmoEarthquakes 1 - Recording Station
5 Minute Preview
Using an earthquake recording station, learn how to determine the distance between the station and an earthquake based on the time difference between the arrival of the primary and...
Lesson Info Launch GizmoEarthquakes 2 - Determination of Epicenter
5 Minute Preview
Locate the epicenter of an earthquake by analyzing seismic data from three recording stations. Measure difference in P- and S-wave arrival times, then use data from the Earthquakes 1 -...
Lesson Info Launch GizmoSound Beats and Sine Waves
5 Minute Preview
Listen to and see interference patterns produced by sound waves with similar frequencies. Test your ability to distinguish and match sounds as musicians do when they tune their instruments....
Lesson Info Launch GizmoGraphing Skills
5 Minute Preview
Create a graph (bar graph, line graph, pie chart, or scatter plot) based on a given data set. Title the graph, label the axes, and choose a scale. Adjust the graph to fit the data, and then...
Lesson Info Launch GizmoGravity Pitch
5 Minute Preview
Imagine a gigantic pitcher standing on Earth, ready to hurl a huge baseball. What will happen as the ball is thrown harder and harder? Find out with the Gravity Pitch Gizmo. Observe the...
Lesson Info Launch GizmoHomeostasis
5 Minute Preview
Control a simulated person running on a treadmill. Your challenge is to use clothing, exercise, and sweat to maintain a constant body temperature as air temperature goes up and down....
Lesson Info Launch GizmoOperations with Radical Expressions
5 Minute Preview
Identify the correct steps to complete operations with a radical expression. Use step-by-step feedback to diagnose incorrect steps.
Lesson Info Launch GizmoSimplifying Radical Expressions
5 Minute Preview
Simplify a radical expression. Use step-by-step feedback to diagnose any incorrect steps.
Lesson Info Launch GizmoDividing Polynomials Using Synthetic Division
5 Minute Preview
Divide a polynomial by dragging the correct numbers into the correct positions for synthetic division. Compare the interpreted polynomial division to the synthetic division.
Lesson Info Launch GizmoReflections
5 Minute Preview
Reshape and resize a figure and examine how its reflection changes in response. Move the line of reflection and explore how the reflection is translated.
Lesson Info Launch GizmoFinding Patterns
5 Minute Preview
Build a pattern to complete a sequence of patterns. Study a sequence of three patterns of squares in a grid and build the fourth pattern of the sequence in a grid.
Lesson Info Launch GizmoExponents and Power Rules
5 Minute Preview
Choose the correct steps to simplify expressions with exponents using the rules of exponents and powers. Use feedback to diagnose incorrect steps.
Lesson Info Launch GizmoFactoring Special Products
5 Minute Preview
Choose the correct steps to factor a polynomial involving perfect-square binomials, differences of squares, or constant factors. Use the feedback to diagnose incorrect steps.
Lesson Info Launch GizmoModeling One-Step Equations
5 Minute Preview
Solve a linear equation using a tile model. Use feedback to diagnose incorrect steps.
Lesson Info Launch GizmoCircles
5 Minute Preview
Compare the graph of a circle with its equation. Vary the terms in the equation and explore how the circle is translated and scaled in response.
Lesson Info Launch GizmoLinear Inequalities in Two Variables
5 Minute Preview
Find the solution set to a linear inequality in two variables using the graph of the linear inequality. Vary the terms of the inequality and vary the inequality symbol. Examine how the...
Lesson Info Launch GizmoQuadratic Inequalities
5 Minute Preview
Find the solution set to a quadratic inequality using its graph. Vary the terms of the inequality and the inequality symbol. Examine how the boundary curve and shaded region change in...
Lesson Info Launch GizmoSolving Equations by Graphing Each Side
5 Minute Preview
Solve an equation by graphing each side and finding the intersection of the lines. Vary the coefficients in the equation and explore how the graph changes in response.
Lesson Info Launch GizmoSolving Linear Systems (Matrices and Special Solutions)
5 Minute Preview
Explore systems of linear equations, and how many solutions a system can have. Express systems in matrix form. See how the determinant of the coefficient matrix reveals how many solutions a...
Lesson Info Launch GizmoSystems of Linear Inequalities (Slope-intercept form)
5 Minute Preview
Compare a system of linear inequalities to its graph. Vary the coefficients and inequality symbols in the system and explore how the boundary lines, shaded regions, and the intersection of...
Lesson Info Launch GizmoTranslations
5 Minute Preview
Translate a figure horizontally and vertically in the plane and examine the matrix representation of the translation.
Lesson Info Launch GizmoModeling and Solving Two-Step Equations
- Free!
FREE with no time limit!
5 Minute Preview
Solve a two-step equation using a cup-and-counter model. Use step-by-step feedback to diagnose and correct incorrect steps.
Lesson Info Launch GizmoRotations, Reflections, and Translations
- Free!
FREE with no time limit!
5 Minute Preview
Rotate, reflect, and translate a figure in the plane. Compare the translated figure to the original figure.
Lesson Info Launch GizmoPermutations and Combinations
5 Minute Preview
Experiment with permutations and combinations of a number of letters represented by letter tiles selected at random from a box. Count the permutations and combinations using a dynamic tree...
Lesson Info Launch GizmoDividing Exponential Expressions
- Free!
FREE with no time limit!
5 Minute Preview
Choose the correct steps to divide exponential expressions. Use the feedback to diagnose incorrect steps.
Lesson Info Launch GizmoMultiplying Exponential Expressions
5 Minute Preview
Choose the correct steps to multiply exponential expressions. Use the feedback to diagnose incorrect steps.
Lesson Info Launch GizmoSolving Equations on the Number Line
5 Minute Preview
Solve an equation involving decimals using dynamic arrows on a number line.
Lesson Info Launch GizmoSlope
5 Minute Preview
Explore the slope of a line, and learn how to calculate slope. Adjust the line by moving points that are on the line, and see how its slope changes.
Lesson Info Launch GizmoSquare Roots
5 Minute Preview
Explore the meaning of square roots using an area model. Use the side length of a square to find the square root of a decimal number or a whole number.
Lesson Info Launch GizmoModeling the Factorization of ax2+bx+c
5 Minute Preview
Factor a polynomial with a leading coefficient greater than 1 using an area model. Use step-by-step feedback to diagnose any mistakes.
Lesson Info Launch GizmoModeling the Factorization of x2+bx+c
5 Minute Preview
Factor a polynomial with a leading coefficient equal to 1 using an area model. Use step-by-step feedback to diagnose any mistakes.
Lesson Info Launch GizmoQuadratics in Factored Form
5 Minute Preview
Investigate the factors of a quadratic through its graph and through its equation. Vary the roots of the quadratic and examine how the graph and the equation change in response.
Lesson Info Launch GizmoQuadratics in Polynomial Form
5 Minute Preview
Compare the graph of a quadratic to its equation in polynomial form. Vary the coefficients of the equation and explore how the graph changes in response.
Lesson Info Launch GizmoArithmetic Sequences
5 Minute Preview
Find the value of individual terms in arithmetic sequences using graphs of the sequences and direct computation. Vary the common difference and examine how the sequences change in response.
Lesson Info Launch GizmoGeometric Sequences
5 Minute Preview
Explore geometric sequences by varying the initial term and the common ratio and examining the graph. Compute specific terms in the sequence using the explicit and recursive formulas.
Lesson Info Launch GizmoAbsolute Value Equations and Inequalities
5 Minute Preview
Solve an inequality involving absolute values using a graph of the absolute-value function. Vary the terms of the absolute-value function and vary the value that you are comparing it to. ...
Lesson Info Launch GizmoPolynomials and Linear Factors
5 Minute Preview
Create a polynomial as a product of linear factors. Vary the values in the linear factors to see how their connection to the roots of the function.
Lesson Info Launch GizmoQuadratics in Vertex Form
5 Minute Preview
Compare the graph of a quadratic to its equation in vertex form. Vary the terms of the equation and explore how the graph changes in response.
Lesson Info Launch GizmoRadical Functions
5 Minute Preview
Compare the graph of a radical function to its equation. Vary the terms of the equation. Explore how the graph is translated and stretched by the changes to the equation.
Lesson Info Launch GizmoRational Functions
5 Minute Preview
Compare the graph of a rational function to its equation. Vary the terms of the equation and explore how the graph is translated and stretched as a result. Examine the domain on a number...
Lesson Info Launch GizmoStandard Form of a Line
5 Minute Preview
Compare the standard form of a linear equation to its graph. Vary the coefficients and explore how the graph changes in response.
Lesson Info Launch GizmoDistance Formula
5 Minute Preview
Explore the distance formula as an application of the Pythagorean theorem. Learn to see any two points as the endpoints of the hypotenuse of a right triangle. Drag those points and...
Lesson Info Launch GizmoLinear Functions
5 Minute Preview
Determine if a relation is a function from the mapping diagram, ordered pairs, or graph. Use the graph to determine if it is linear.
Lesson Info Launch GizmoFinding Factors with Area Models
5 Minute Preview
Find factors of a number using an area model. Reshape the area rectangle to see different factorizations of the number. Find the prime factorization using a factor tree.
Lesson Info Launch GizmoMultiplying Mixed Numbers
5 Minute Preview
Choose the correct steps to multiply mixed numbers. Use the step-by-step feedback to diagnose incorrect steps.
Lesson Info Launch GizmoOrdering and Approximating Square Roots
5 Minute Preview
Order square roots on a number line. Approximate the square roots using the side lengths of square regions in a grid.
Lesson Info Launch GizmoDistance-Time Graphs
5 Minute Preview
Create a graph of a runner's position versus time and watch the runner complete a 40-yard dash based on the graph you made. Notice the connection between the slope of the line and the speed...
Lesson Info Launch GizmoDistance-Time and Velocity-Time Graphs
5 Minute Preview
Create a graph of a runner's position versus time and watch the runner run a 40-yard dash based on the graph you made. Notice the connection between the slope of the line and the velocity...
Lesson Info Launch GizmoSolving Formulas for any Variable
5 Minute Preview
Choose the correct steps to solve a formula for a given variable. Use the feedback to diagnose incorrect steps.
Lesson Info Launch GizmoMultiplying Fractions
5 Minute Preview
Multiply two fractions using an area model. Vary the vertical area to change one fraction and vary the horizontal area to change the other. Then examine the intersection of the areas to...
Lesson Info Launch GizmoDistance-Time Graphs - Metric
5 Minute Preview
Create a graph of a runner's position versus time and watch the runner complete a 40-meter dash based on the graph you made. Notice the connection between the slope of the line and the...
Lesson Info Launch GizmoDistance-Time and Velocity-Time Graphs - Metric
5 Minute Preview
Create a graph of a runner's position versus time and watch the runner run a 40-meter dash based on the graph you made. Notice the connection between the slope of the line and the velocity...
Lesson Info Launch GizmoAbsolute Value with Linear Functions
5 Minute Preview
Compare the graph of a linear function, the graph of an absolute-value function, and the graphs of their translations. Vary the coefficients and constants in the functions and investigate...
Lesson Info Launch GizmoCompound Inequalities
5 Minute Preview
Explore the graphs of two inequalities and find their union or intersection. Determine the relationship between the endpoints of the inequalities and the endpoints of the compound...
Lesson Info Launch GizmoMeasuring Volume
5 Minute Preview
Measure the volume of liquids and solids using beakers, graduated cylinders, overflow cups, and rulers. Water can be poured from one container to another and objects can be added to...
Lesson Info Launch GizmoDigestive System
5 Minute Preview
Digestion is a complex process, involving a wide variety of organs and chemicals that work together to break down food, absorb nutrients, and eliminate wastes. But have you ever wondered...
Lesson Info Launch GizmoGMOs and the Environment
- New!
5 Minute Preview
In this follow-up to the Genetic Engineering Gizmo, explore how farmers can maximize yield while limiting ecosystem damage using genetically modified corn. Choose the corn type to plant and...
Lesson Info Launch GizmoCoriolis Effect
- New!
5 Minute Preview
The Coriolis effect causes winds to be deflected as they move across Earth's surface, resulting in circular patterns of winds. This effect is caused by two factors, Earth's rotation and...
Lesson Info Launch GizmoDye Elimination
5 Minute Preview
When a foreign substance such as a drug is ingested, it often remains in the bloodstream for a long time. This Gizmo models the elimination of substances from the bloodstream using water...
Lesson Info Launch GizmoDrug Dosage
5 Minute Preview
A drug prescription must be carefully planned to maximize benefit while avoiding an overdose. In this Gizmo, you can give a patient one or more pills and monitor the levels of medication in...
Lesson Info Launch GizmoCat and Mouse (Modeling with Linear Systems)
5 Minute Preview
Experiment with a system of two lines representing a cat-and-mouse chase. Adjust the speeds of the cat and mouse and the head start of the mouse, and immediately see the effects on the...
Lesson Info Launch GizmoPoints in the Coordinate Plane
5 Minute Preview
Identify the coordinates of a point in the coordinate plane. Drag the point in the plane and investigate how the coordinates change in response.
Lesson Info Launch GizmoSolving Linear Inequalities in One Variable
5 Minute Preview
Solve one-step inequalities in one variable. Graph the solution on a number line.
Lesson Info Launch GizmoDirect and Inverse Variation
5 Minute Preview
Adjust the constant of variation and explore how the graph of the direct or inverse variation function changes in response. Compare direct variation functions to inverse variation...
Lesson Info Launch GizmoIntroduction to Functions
5 Minute Preview
Determine if a relation is a function using the mapping diagram, ordered pairs, or the graph of the relation. Drag arrows from the domain to the range, type in ordered pairs, or drag points...
Lesson Info Launch GizmoHyperbolas
5 Minute Preview
Compare the equation of a hyperbola to its graph. Vary the terms of the equation of the hyperbola. Examine how the graph of the hyperbola and its asymptotes changes in response.
Lesson Info Launch GizmoLogarithmic Functions
5 Minute Preview
Compare the equation of a logarithmic function to its graph. Change the base of the logarithmic function and examine how the graph changes in response. Use the line y = x to compare the...
Lesson Info Launch GizmoPoints in the Complex Plane
5 Minute Preview
Identify the imaginary and real coordinates of a point in the complex plane. Drag the point in the plane and investigate how the coordinates change in response.
Lesson Info Launch GizmoSimplifying Trigonometric Expressions
5 Minute Preview
Choose the correct steps to simplify a trigonometric function. Use step-by-step feedback to diagnose incorrect steps.
Lesson Info Launch GizmoSine Function
5 Minute Preview
Compare the graph of the sine function with the graph of the angle on the unit circle. Drag a point along the sine curve and see the corresponding angle on the unit circle.
Lesson Info Launch GizmoTangent Function
5 Minute Preview
Compare the graph of the tangent function with the graph of the angle on the unit circle. Drag a point along the tangent curve and see the corresponding angle on the unit circle.
Lesson Info Launch GizmoPoint-Slope Form of a Line
5 Minute Preview
Compare the point-slope form of a linear equation to its graph. Vary the coefficients and explore how the graph changes in response.
Lesson Info Launch GizmoSlope-Intercept Form of a Line
5 Minute Preview
Compare the slope-intercept form of a linear equation to its graph. Vary the coefficients and explore how the graph changes in response.
Lesson Info Launch GizmoDilations
5 Minute Preview
Dilate a figure and investigate its resized image. See how scaling a figure affects the coordinates of its vertices, both in (x, y) form and in matrix form.
Lesson Info Launch GizmoCircuit Builder
- Free!
FREE with no time limit!
5 Minute Preview
Create circuits using batteries, light bulbs, switches, fuses, and a variety of materials. Examine series and parallel circuits, conductors and insulators, and the effects of battery...
Lesson Info Launch GizmoModeling and Solving Two-Step Equations
- Free!
FREE with no time limit!
5 Minute Preview
Solve a two-step equation using a cup-and-counter model. Use step-by-step feedback to diagnose and correct incorrect steps.
Lesson Info Launch GizmoDividing Exponential Expressions
- Free!
FREE with no time limit!
5 Minute Preview
Choose the correct steps to divide exponential expressions. Use the feedback to diagnose incorrect steps.
Lesson Info Launch GizmoRotations, Reflections, and Translations
- Free!
FREE with no time limit!
5 Minute Preview
Rotate, reflect, and translate a figure in the plane. Compare the translated figure to the original figure.
Lesson Info Launch GizmoSorry, we could not find any Search Results to show you for STEM Cases!
Equivalent Algebraic Expressions I
5 Minute Preview
Grumpy’s Restaurant is now hiring! As a new chef at this underwater bistro, you’ll learn the basics of manipulating algebraic expressions. Learn how to make equivalent expressions using the Commutative and Associative properties, how to handle pesky subtraction and division, and how to identify equivalent and non-equivalent expressions.
Lesson Info Launch GizmoEquivalent Algebraic Expressions II
5 Minute Preview
Continue your meteoric rise in the undersea culinary world in this follow-up to Equivalent Algebraic Expressions I. Make equivalent expressions by using the distributive property forwards and backwards, sort expressions by equivalence, and personally assist Chef Grumpy himself with a project that will bring him (and maybe you) fame and fortune.
Lesson Info Launch GizmoSolving Algebraic Equations I
5 Minute Preview
Are there times when you wish you could escape from everyone and just be alone? Meet our variable friend, a real loner who doesn't like coefficients and neighboring terms. Learn how to use inverses to isolate a variable – a foundational skill for solving algebraic equations.
Lesson Info Launch GizmoSolving Algebraic Equations II
5 Minute Preview
Is solving equations tricky? If you know how to isolate a variable, you're halfway there. The other half? Don't do anything to upset the balance of an equation. Join our plucky variable friend as he encounters algebraic equations and a (sometimes grumpy) equal sign. With a little practice, you'll find that solving equations isn't tricky at all.
Lesson Info Launch GizmoSimplifying Algebraic Expressions I
5 Minute Preview
Meet Spidro, a quirky critter with an appetite for algebraic expressions! As Spidro's adopted owner, it's your responsibility to feed him so that he grows into… whatever it is that a Spidro grows into. But be careful - Spidro is a picky eater who prefers his food to be as simple as possible. Use the commutative property, distributive property, and the other properties of addition and multiplication to put expressions in simplest (and tastiest) form.
Lesson Info Launch GizmoSimplifying Algebraic Expressions II
5 Minute Preview
Will you adopt Spidro, Centeon, or Ping Bee? They're three very different critters with one thing in common: a hunger for simplified algebraic expressions! Learn how the distributive property can be used to combine variable terms, producing expressions that will help your pet grow up healthy and strong. You'll become a pro at identifying terms that can be combined – even terms with exponents and multiple variables. With enough practice, you and your pet will be ready for the competitive expression eating circuit. Good luck!
Lesson Info Launch GizmoUsing Algebraic Expressions
5 Minute Preview
Translate algebraic expressions into English phrases, and translate English phrases into algebraic expressions. Read the expression or phrase and select word tiles or symbol tiles to form the corresponding phrase or expression.
Lesson Info Launch GizmoUsing Algebraic Equations
5 Minute Preview
Translate equations into English sentences and translate English sentences into equations. Read the equation or sentence and select word tiles or symbol tiles to form the corresponding sentence or equation.
Lesson Info Launch GizmoSolving Linear Systems (Slope-Intercept Form)
5 Minute Preview
Solve systems of linear equations, given in slope-intercept form, both graphically and algebraically. Use a draggable green point to examine what it means for an
Solving Linear Systems (Standard Form)
5 Minute Preview
Solve systems of linear equations, written in standard form. Explore what it means to solve systems algebraically (with substitution or elimination) and graphically. Also, use a draggable green point to see what it means when (x, y) values are solutions of an equation, or of a system of equations.
Lesson Info Launch GizmoFeel the Heat
- New!
5 Minute Preview
Have you ever used a glove warmer to keep your hands warm? How about an instant cold pack to treat an injury? In the Feel the Heat Gizmo, create your own hot and cold packs using various salts dissolved in water and different bag materials. Learn about exothermic and endothermic processes and how energy is absorbed or released when bonds are broken and new bonds form.
Lesson Info Launch GizmoWaves
5 Minute Preview
Observe and measure transverse, longitudinal, and combined waves on a model of a spring moved by a hand. Adjust the amplitude and frequency of the hand, and the tension and density of the spring. The speed and power of the waves is reported, and the wavelength and amplitude can be measured.
Lesson Info Launch GizmoMolecule Builder
- New!
5 Minute Preview
Create molecules using building blocks of carbon, hydrogen, oxygen, nitrogen, and other elements. Connect atoms by bonds, then create double or triple bonds if desired. For each completed molecule, write the chemical formula and, if the molecule is included in the database, observe the 3D structure. Create a variety of challenge molecules including cyclic molecules and isomers.
Lesson Info Launch GizmoRipple Tank
5 Minute Preview
Study wave motion, diffraction, interference, and refraction in a simulated ripple tank. A wide variety of scenarios can be chosen, including barriers with one or two gaps, multiple wave sources, reflecting barriers, or submerged rocks. The wavelength and strength of waves can be adjusted, as well as the amount of damping in the tank.
Lesson Info Launch GizmoElectromagnetic Induction
5 Minute Preview
Explore how a changing magnetic field can induce an electric current. A magnet can be moved up or down at a constant velocity below a loop of wire, or the loop of wire may be dragged in any direction or rotated. The magnetic and electric fields can be displayed, as well as the magnetic flux and the current in the wire.
Lesson Info Launch GizmoFactor Trees (Factoring Numbers)
5 Minute Preview
The Factor Trees Gizmo has two modes. In Factor mode, you can create factor trees to factor composite numbers into primes. In Build mode, you can build numbers by multiplying primes together. Can you build all composite numbers up to 50? Any whole composite number up to 999 can be factored or built with the Gizmo.
Lesson Info Launch GizmoAdding Fractions (Fraction Tiles)
5 Minute Preview
Add fractions with the help of the Fractionator, a fraction-tile-making machine in the Gizmo. Model sums by placing the tiles on side-by-side number lines. Explore the usefulness of common denominators in adding. Express sums as improper fractions or mixed numbers.
Lesson Info Launch GizmoUnit Conversions 2 - Scientific Notation and Significant Digits
5 Minute Preview
Use the Unit Conversions Gizmo to explore the concepts of scientific notation and significant digits. Convert numbers to and from scientific notation. Determine the number of significant digits in a measured value and in a calculation.
Lesson Info Launch GizmoSenses
- New!
5 Minute Preview
Everything we know about the world comes through our senses: sight, hearing, touch, taste, and smell. In the Senses Gizmo, explore how stimuli are detected by specialized cells, transmitted through nerves, and processed in the brain.
Lesson Info Launch GizmoSolving Using Trend Lines
5 Minute Preview
Examine the scatter plots for data related to weather at different latitudes. The Gizmo includes three different data sets, one with negative correlation, one positive, and one with no correlation. Compare the least squares best-fit line.
Lesson Info Launch GizmoCircuit Builder
- Free!
FREE with no time limit!
5 Minute Preview
Create circuits using batteries, light bulbs, switches, fuses, and a variety of materials. Examine series and parallel circuits, conductors and insulators, and the effects of battery voltage. Thousands of different circuits can be built with this Gizmo.
Lesson Info Launch GizmoMovie Reviewer (Mean and Median)
5 Minute Preview
Movie reviewers rate movies on a scale of 0 to 10. Each movie comes with a set of reviews that can be changed by the user. The mean of a data set can be explored using a see-saw balance model. Students can also find the median, mode, and range of the data set.
Lesson Info Launch GizmoBuilding Pangaea
5 Minute Preview
In 1915, Alfred Wegener proposed that all of Earth's continents were once joined in an ancient supercontinent he called Pangaea. Wegener's idea of moving continents led to the modern theory of plate tectonics. Create your own version of Pangaea by fitting Earth's landmasses together like puzzle pieces. Use evidence from fossils, rocks, and glaciers to refine your map.
Lesson Info Launch GizmoBalancing Blocks (Volume)
5 Minute Preview
This Gizmo provides you with two challenges. First, use blocks to build a figure with a given volume. Then, try to balance the blocks on a platform that sits on the tip of a cone. The dimensions of the platform can be adjusted, and blocks can be added or deleted by clicking on the model.
Lesson Info Launch GizmoFractions Greater than One (Fraction Tiles)
5 Minute Preview
Explore fractions greater than one with the Fractionator, a fraction-tile-making machine in the Gizmo. Create sums of fraction tiles on two number lines. Sums greater than one are shown as improper fractions on the top number line, and as mixed numbers on the bottom number line.
Lesson Info Launch GizmoAverage Atomic Mass
- New!
5 Minute Preview
The atomic mass for each element listed in the periodic table is actually the weighted average mass of all of the different isotopes of the element. In the Average Atomic Mass Gizmo, use a mass spectrometer to separate an element into its isotopes. Then, calculate the average atomic mass by considering the mass and abundance of each isotope.
Lesson Info Launch GizmoEarthquakes 1 - Recording Station
5 Minute Preview
Using an earthquake recording station, learn how to determine the distance between the station and an earthquake based on the time difference between the arrival of the primary and secondary seismic waves. Use this data to find the epicenter in the Earthquakes 2 - Location of Epicenter Gizmo.
Lesson Info Launch GizmoEarthquakes 2 - Determination of Epicenter
5 Minute Preview
Locate the epicenter of an earthquake by analyzing seismic data from three recording stations. Measure difference in P- and S-wave arrival times, then use data from the Earthquakes 1 - Recording Station Gizmo to find the distance of the epicenter from each station.
Lesson Info Launch GizmoSound Beats and Sine Waves
5 Minute Preview
Listen to and see interference patterns produced by sound waves with similar frequencies. Test your ability to distinguish and match sounds as musicians do when they tune their instruments. Calculate the number of "sound beats" you will hear based on the frequency of each sound. [Note: Headphones are recommended for this Gizmo.]
Lesson Info Launch GizmoGraphing Skills
5 Minute Preview
Create a graph (bar graph, line graph, pie chart, or scatter plot) based on a given data set. Title the graph, label the axes, and choose a scale. Adjust the graph to fit the data, and then check your accuracy. The Gizmo can also be used to create a data table based on a given graph.
Lesson Info Launch GizmoGravity Pitch
5 Minute Preview
Imagine a gigantic pitcher standing on Earth, ready to hurl a huge baseball. What will happen as the ball is thrown harder and harder? Find out with the Gravity Pitch Gizmo. Observe the path of the ball when it is thrown at different velocities. Throw the ball on different planets to see how each planet's gravity affects the ball.
Lesson Info Launch GizmoHomeostasis
5 Minute Preview
Control a simulated person running on a treadmill. Your challenge is to use clothing, exercise, and sweat to maintain a constant body temperature as air temperature goes up and down. Sweating (perspiration) can be controlled automatically by the Gizmo or, for a challenge, manually by the user. Don't forget to eat and drink!
Lesson Info Launch GizmoOperations with Radical Expressions
5 Minute Preview
Identify the correct steps to complete operations with a radical expression. Use step-by-step feedback to diagnose incorrect steps.
Lesson Info Launch GizmoSimplifying Radical Expressions
5 Minute Preview
Simplify a radical expression. Use step-by-step feedback to diagnose any incorrect steps.
Lesson Info Launch GizmoDividing Polynomials Using Synthetic Division
5 Minute Preview
Divide a polynomial by dragging the correct numbers into the correct positions for synthetic division. Compare the interpreted polynomial division to the synthetic division.
Lesson Info Launch GizmoReflections
5 Minute Preview
Reshape and resize a figure and examine how its reflection changes in response. Move the line of reflection and explore how the reflection is translated.
Lesson Info Launch GizmoFinding Patterns
5 Minute Preview
Build a pattern to complete a sequence of patterns. Study a sequence of three patterns of squares in a grid and build the fourth pattern of the sequence in a grid.
Lesson Info Launch GizmoExponents and Power Rules
5 Minute Preview
Choose the correct steps to simplify expressions with exponents using the rules of exponents and powers. Use feedback to diagnose incorrect steps.
Lesson Info Launch GizmoFactoring Special Products
5 Minute Preview
Choose the correct steps to factor a polynomial involving perfect-square binomials, differences of squares, or constant factors. Use the feedback to diagnose incorrect steps.
Lesson Info Launch GizmoModeling One-Step Equations
5 Minute Preview
Solve a linear equation using a tile model. Use feedback to diagnose incorrect steps.
Lesson Info Launch GizmoCircles
5 Minute Preview
Compare the graph of a circle with its equation. Vary the terms in the equation and explore how the circle is translated and scaled in response.
Lesson Info Launch GizmoLinear Inequalities in Two Variables
5 Minute Preview
Find the solution set to a linear inequality in two variables using the graph of the linear inequality. Vary the terms of the inequality and vary the inequality symbol. Examine how the boundary line and shaded region change in response.
Lesson Info Launch GizmoQuadratic Inequalities
5 Minute Preview
Find the solution set to a quadratic inequality using its graph. Vary the terms of the inequality and the inequality symbol. Examine how the boundary curve and shaded region change in response.
Lesson Info Launch GizmoSolving Equations by Graphing Each Side
5 Minute Preview
Solve an equation by graphing each side and finding the intersection of the lines. Vary the coefficients in the equation and explore how the graph changes in response.
Lesson Info Launch GizmoSolving Linear Systems (Matrices and Special Solutions)
5 Minute Preview
Explore systems of linear equations, and how many solutions a system can have. Express systems in matrix form. See how the determinant of the coefficient matrix reveals how many solutions a system of equations has. Also, use a draggable green point to see what it means for an (x, y) point to be a solution of an equation, or of a system of equations.
Lesson Info Launch GizmoSystems of Linear Inequalities (Slope-intercept form)
5 Minute Preview
Compare a system of linear inequalities to its graph. Vary the coefficients and inequality symbols in the system and explore how the boundary lines, shaded regions, and the intersection of the shaded regions change in response.
Lesson Info Launch GizmoTranslations
5 Minute Preview
Translate a figure horizontally and vertically in the plane and examine the matrix representation of the translation.
Lesson Info Launch GizmoModeling and Solving Two-Step Equations
- Free!
FREE with no time limit!
5 Minute Preview
Solve a two-step equation using a cup-and-counter model. Use step-by-step feedback to diagnose and correct incorrect steps.
Lesson Info Launch GizmoRotations, Reflections, and Translations
- Free!
FREE with no time limit!
5 Minute Preview
Rotate, reflect, and translate a figure in the plane. Compare the translated figure to the original figure.
Lesson Info Launch GizmoPermutations and Combinations
5 Minute Preview
Experiment with permutations and combinations of a number of letters represented by letter tiles selected at random from a box. Count the permutations and combinations using a dynamic tree diagram, a dynamic list of permutations, and a dynamic computation by the counting principle.
Lesson Info Launch GizmoDividing Exponential Expressions
- Free!
FREE with no time limit!
5 Minute Preview
Choose the correct steps to divide exponential expressions. Use the feedback to diagnose incorrect steps.
Lesson Info Launch GizmoMultiplying Exponential Expressions
5 Minute Preview
Choose the correct steps to multiply exponential expressions. Use the feedback to diagnose incorrect steps.
Lesson Info Launch GizmoSolving Equations on the Number Line
5 Minute Preview
Solve an equation involving decimals using dynamic arrows on a number line.
Lesson Info Launch GizmoSlope
5 Minute Preview
Explore the slope of a line, and learn how to calculate slope. Adjust the line by moving points that are on the line, and see how its slope changes.
Lesson Info Launch GizmoSquare Roots
5 Minute Preview
Explore the meaning of square roots using an area model. Use the side length of a square to find the square root of a decimal number or a whole number.
Lesson Info Launch GizmoModeling the Factorization of ax2+bx+c
5 Minute Preview
Factor a polynomial with a leading coefficient greater than 1 using an area model. Use step-by-step feedback to diagnose any mistakes.
Lesson Info Launch GizmoModeling the Factorization of x2+bx+c
5 Minute Preview
Factor a polynomial with a leading coefficient equal to 1 using an area model. Use step-by-step feedback to diagnose any mistakes.
Lesson Info Launch GizmoQuadratics in Factored Form
5 Minute Preview
Investigate the factors of a quadratic through its graph and through its equation. Vary the roots of the quadratic and examine how the graph and the equation change in response.
Lesson Info Launch GizmoQuadratics in Polynomial Form
5 Minute Preview
Compare the graph of a quadratic to its equation in polynomial form. Vary the coefficients of the equation and explore how the graph changes in response.
Lesson Info Launch GizmoArithmetic Sequences
5 Minute Preview
Find the value of individual terms in arithmetic sequences using graphs of the sequences and direct computation. Vary the common difference and examine how the sequences change in response.
Lesson Info Launch GizmoGeometric Sequences
5 Minute Preview
Explore geometric sequences by varying the initial term and the common ratio and examining the graph. Compute specific terms in the sequence using the explicit and recursive formulas.
Lesson Info Launch GizmoAbsolute Value Equations and Inequalities
5 Minute Preview
Solve an inequality involving absolute values using a graph of the absolute-value function. Vary the terms of the absolute-value function and vary the value that you are comparing it to. Then explore how the graph and solution set change in response.
Lesson Info Launch GizmoPolynomials and Linear Factors
5 Minute Preview
Create a polynomial as a product of linear factors. Vary the values in the linear factors to see how their connection to the roots of the function.
Lesson Info Launch GizmoQuadratics in Vertex Form
5 Minute Preview
Compare the graph of a quadratic to its equation in vertex form. Vary the terms of the equation and explore how the graph changes in response.
Lesson Info Launch GizmoRadical Functions
5 Minute Preview
Compare the graph of a radical function to its equation. Vary the terms of the equation. Explore how the graph is translated and stretched by the changes to the equation.
Lesson Info Launch GizmoRational Functions
5 Minute Preview
Compare the graph of a rational function to its equation. Vary the terms of the equation and explore how the graph is translated and stretched as a result. Examine the domain on a number line and compare it to the graph of the equation.
Lesson Info Launch GizmoStandard Form of a Line
5 Minute Preview
Compare the standard form of a linear equation to its graph. Vary the coefficients and explore how the graph changes in response.
Lesson Info Launch GizmoDistance Formula
5 Minute Preview
Explore the distance formula as an application of the Pythagorean theorem. Learn to see any two points as the endpoints of the hypotenuse of a right triangle. Drag those points and examine changes to the triangle and the distance calculation.
Lesson Info Launch GizmoLinear Functions
5 Minute Preview
Determine if a relation is a function from the mapping diagram, ordered pairs, or graph. Use the graph to determine if it is linear.
Lesson Info Launch GizmoFinding Factors with Area Models
5 Minute Preview
Find factors of a number using an area model. Reshape the area rectangle to see different factorizations of the number. Find the prime factorization using a factor tree.
Lesson Info Launch GizmoMultiplying Mixed Numbers
5 Minute Preview
Choose the correct steps to multiply mixed numbers. Use the step-by-step feedback to diagnose incorrect steps.
Lesson Info Launch GizmoOrdering and Approximating Square Roots
5 Minute Preview
Order square roots on a number line. Approximate the square roots using the side lengths of square regions in a grid.
Lesson Info Launch GizmoDistance-Time Graphs
5 Minute Preview
Create a graph of a runner's position versus time and watch the runner complete a 40-yard dash based on the graph you made. Notice the connection between the slope of the line and the speed of the runner. What will the runner do if the slope of the line is zero? What if the slope is negative? Add a second runner (a second graph) and connect real-world meaning to the intersection of two graphs.
Lesson Info Launch GizmoDistance-Time and Velocity-Time Graphs
5 Minute Preview
Create a graph of a runner's position versus time and watch the runner run a 40-yard dash based on the graph you made. Notice the connection between the slope of the line and the velocity of the runner. Add a second runner (a second graph) and connect real-world meaning to the intersection of two graphs. Also experiment with a graph of velocity versus time for the runners, and also distance traveled versus time.
Lesson Info Launch GizmoSolving Formulas for any Variable
5 Minute Preview
Choose the correct steps to solve a formula for a given variable. Use the feedback to diagnose incorrect steps.
Lesson Info Launch GizmoMultiplying Fractions
5 Minute Preview
Multiply two fractions using an area model. Vary the vertical area to change one fraction and vary the horizontal area to change the other. Then examine the intersection of the areas to find the product.
Lesson Info Launch GizmoDistance-Time Graphs - Metric
5 Minute Preview
Create a graph of a runner's position versus time and watch the runner complete a 40-meter dash based on the graph you made. Notice the connection between the slope of the line and the speed of the runner. What will the runner do if the slope of the line is zero? What if the slope is negative? Add a second runner (a second graph) and connect real-world meaning to the intersection of two graphs.
Lesson Info Launch GizmoDistance-Time and Velocity-Time Graphs - Metric
5 Minute Preview
Create a graph of a runner's position versus time and watch the runner run a 40-meter dash based on the graph you made. Notice the connection between the slope of the line and the velocity of the runner. Add a second runner (a second graph) and connect real-world meaning to the intersection of two graphs. Also experiment with a graph of velocity versus time for the runners, and also distance traveled versus time.
Lesson Info Launch GizmoAbsolute Value with Linear Functions
5 Minute Preview
Compare the graph of a linear function, the graph of an absolute-value function, and the graphs of their translations. Vary the coefficients and constants in the functions and investigate how the graphs change in response.
Lesson Info Launch GizmoCompound Inequalities
5 Minute Preview
Explore the graphs of two inequalities and find their union or intersection. Determine the relationship between the endpoints of the inequalities and the endpoints of the compound inequality.
Lesson Info Launch GizmoMeasuring Volume
5 Minute Preview
Measure the volume of liquids and solids using beakers, graduated cylinders, overflow cups, and rulers. Water can be poured from one container to another and objects can be added to containers. A pipette can be used to transfer small amounts of water, and a magnifier can be used to observe the meniscus in a graduated cylinder. Test your volume-measurement skills in the "Practice" mode of the Gizmo.
Lesson Info Launch GizmoDigestive System
5 Minute Preview
Digestion is a complex process, involving a wide variety of organs and chemicals that work together to break down food, absorb nutrients, and eliminate wastes. But have you ever wondered what would happen if some of those organs were eliminated, or if the sequence was changed? Can the digestive system be improved? Find out by designing your own digestive system with the Digestive System Gizmo.
Lesson Info Launch GizmoGMOs and the Environment
- New!
5 Minute Preview
In this follow-up to the Genetic Engineering Gizmo, explore how farmers can maximize yield while limiting ecosystem damage using genetically modified corn. Choose the corn type to plant and the amount of herbicide and insecticide to use, then measure corn yields and monitor wildlife populations and diversity. Observe the long-term effects of pollutants on a nearby stream ecosystem.
Lesson Info Launch GizmoCoriolis Effect
- New!
5 Minute Preview
The Coriolis effect causes winds to be deflected as they move across Earth's surface, resulting in circular patterns of winds. This effect is caused by two factors, Earth's rotation and frame of reference. In the Coriolis Effect Gizmo, students will build their understanding of this phenomenon using the analogy of two kids playing catch: first on a train, then on a merry-go-round, and finally on Earth's surface.
Lesson Info Launch GizmoDye Elimination
5 Minute Preview
When a foreign substance such as a drug is ingested, it often remains in the bloodstream for a long time. This Gizmo models the elimination of substances from the bloodstream using water and dye. Add dye to a container of water, and then add beakers of pure water while removing beakers of dyed water. The amount of dye remaining is recorded after each cycle. The volumes of all containers can be adjusted, as well as the amount of dye used. This provides a good example of exponential decay.
Lesson Info Launch GizmoDrug Dosage
5 Minute Preview
A drug prescription must be carefully planned to maximize benefit while avoiding an overdose. In this Gizmo, you can give a patient one or more pills and monitor the levels of medication in the body through time. Based on the reaction of the patient, determine the ideal levels of medication. Create a dosage schedule so these levels are maintained through time. Four types of pills, each with a different release pattern and target organ, are available for use.
Lesson Info Launch GizmoCat and Mouse (Modeling with Linear Systems)
5 Minute Preview
Experiment with a system of two lines representing a cat-and-mouse chase. Adjust the speeds of the cat and mouse and the head start of the mouse, and immediately see the effects on the graph and on the chase. Connect real-world meaning to slope, y-intercept, and the intersection of lines.
Lesson Info Launch GizmoPoints in the Coordinate Plane
5 Minute Preview
Identify the coordinates of a point in the coordinate plane. Drag the point in the plane and investigate how the coordinates change in response.
Lesson Info Launch GizmoSolving Linear Inequalities in One Variable
5 Minute Preview
Solve one-step inequalities in one variable. Graph the solution on a number line.
Lesson Info Launch GizmoDirect and Inverse Variation
5 Minute Preview
Adjust the constant of variation and explore how the graph of the direct or inverse variation function changes in response. Compare direct variation functions to inverse variation functions.
Lesson Info Launch GizmoIntroduction to Functions
5 Minute Preview
Determine if a relation is a function using the mapping diagram, ordered pairs, or the graph of the relation. Drag arrows from the domain to the range, type in ordered pairs, or drag points to the graph to add inputs and outputs to the relation.
Lesson Info Launch GizmoHyperbolas
5 Minute Preview
Compare the equation of a hyperbola to its graph. Vary the terms of the equation of the hyperbola. Examine how the graph of the hyperbola and its asymptotes changes in response.
Lesson Info Launch GizmoLogarithmic Functions
5 Minute Preview
Compare the equation of a logarithmic function to its graph. Change the base of the logarithmic function and examine how the graph changes in response. Use the line y = x to compare the associated exponential function.
Lesson Info Launch GizmoPoints in the Complex Plane
5 Minute Preview
Identify the imaginary and real coordinates of a point in the complex plane. Drag the point in the plane and investigate how the coordinates change in response.
Lesson Info Launch GizmoSimplifying Trigonometric Expressions
5 Minute Preview
Choose the correct steps to simplify a trigonometric function. Use step-by-step feedback to diagnose incorrect steps.
Lesson Info Launch GizmoSine Function
5 Minute Preview
Compare the graph of the sine function with the graph of the angle on the unit circle. Drag a point along the sine curve and see the corresponding angle on the unit circle.
Lesson Info Launch GizmoTangent Function
5 Minute Preview
Compare the graph of the tangent function with the graph of the angle on the unit circle. Drag a point along the tangent curve and see the corresponding angle on the unit circle.
Lesson Info Launch GizmoPoint-Slope Form of a Line
5 Minute Preview
Compare the point-slope form of a linear equation to its graph. Vary the coefficients and explore how the graph changes in response.
Lesson Info Launch GizmoSlope-Intercept Form of a Line
5 Minute Preview
Compare the slope-intercept form of a linear equation to its graph. Vary the coefficients and explore how the graph changes in response.
Lesson Info Launch GizmoDilations
5 Minute Preview
Dilate a figure and investigate its resized image. See how scaling a figure affects the coordinates of its vertices, both in
Circuit Builder
- Free!
FREE with no time limit!
5 Minute Preview
Create circuits using batteries, light bulbs, switches, fuses, and a variety of materials. Examine series and parallel circuits, conductors and insulators, and the effects of battery voltage. Thousands of different circuits can be built with this Gizmo.
Lesson Info Launch GizmoModeling and Solving Two-Step Equations
- Free!
FREE with no time limit!
5 Minute Preview
Solve a two-step equation using a cup-and-counter model. Use step-by-step feedback to diagnose and correct incorrect steps.
Lesson Info Launch GizmoDividing Exponential Expressions
- Free!
FREE with no time limit!
5 Minute Preview
Choose the correct steps to divide exponential expressions. Use the feedback to diagnose incorrect steps.
Lesson Info Launch GizmoRotations, Reflections, and Translations
- Free!
FREE with no time limit!
5 Minute Preview
Rotate, reflect, and translate a figure in the plane. Compare the translated figure to the original figure.
Lesson Info Launch GizmoFind Your Solution
Start playing, exploring and learning today with a free account. Or contact us for a quote or demo.
Sign Up For Free Get a Quote