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- 8th Grade
Louisiana - Mathematics: 8th Grade
- Grade Level Expectations Adopted: 2004
This correlation lists the recommended Gizmos for this state's curriculum standards. Click any Gizmo title below to go to the Gizmo Details page.
1: Compare rational numbers using symbols (i.e., <, less than or equal to, =, greater than or equal to, >) and position on a number line
Comparing and Ordering Decimals
Comparing and Ordering Fractions
Comparing and Ordering Integers
Comparing and Ordering Rational Numbers
2: Use whole number exponents (0-3) in problem-solving contexts
Dividing Exponential Expressions
Exponents and Power Rules
5: Simplify expressions involving operations on integers, grouping symbols, and whole number exponents using order of operations
Dividing Exponential Expressions
Order of Operations
7: Use proportional reasoning to model and solve real-life problems
Beam to Moon (Ratios and Proportions)
Estimating Population Size
Proportions and Common Multipliers
8: Solve real-life problems involving percentages, including percentages less than 1 or greater than 100
Percent of Change
Percents and Proportions
Simple and Compound Interest
9: Find unit/cost rates and apply them in real-life problems
10: Write real-life meanings of expressions and equations involving rational numbers and variables
Using Algebraic Equations
Using Algebraic Expressions
11: Translate real-life situations that can be modeled by linear or exponential relationships to algebraic expressions, equations, and inequalities
Exponential Functions - Activity A
Function Machines 2 (Functions, Tables, and Graphs)
12: Solve and graph solutions of multi-step linear equations and inequalities
Defining a Line with Two Points
Inequalities Involving Absolute Values
Modeling and Solving Two-Step Equations
Slope-Intercept Form of a Line - Activity A
Solving Equations By Graphing Each Side
Solving Two-Step Equations
Standard Form of a Line
13: Switch between functions represented as tables, equations, graphs, and verbal representations, with and without technology
Function Machines 2 (Functions, Tables, and Graphs)
Linear Functions
Slope-Intercept Form of a Line - Activity A
Using Tables, Rules and Graphs
14: Construct a table of x- and y-values satisfying a linear equation and construct a graph of the line on the coordinate plane
Defining a Line with Two Points
Function Machines 2 (Functions, Tables, and Graphs)
Linear Functions
Point-Slope Form of a Line - Activity A
Slope-Intercept Form of a Line - Activity A
Solving Equations By Graphing Each Side
Standard Form of a Line
Using Tables, Rules and Graphs
15: Describe and compare situations with constant or varying rates of change
Distance-Time Graphs
Distance-Time and Velocity-Time Graphs
16: Explain and formulate generalizations about how a change in one variable results in a change in another variable
17: Determine the volume and surface area of prisms and cylinders
Prisms and Cylinders - Activity A
Surface and Lateral Area of Prisms and Cylinders
18: Apply rate of change in real-life problems, including density, velocity, and international monetary conversions
Density Experiment: Slice and Dice
Density Laboratory
Determining Density via Water Displacement
Distance-Time Graphs
Distance-Time and Velocity-Time Graphs
19: Demonstrate an intuitive sense of the relative sizes of common units of volume in relation to real-life applications and use this sense when estimating
Prisms and Cylinders - Activity A
Pyramids and Cones - Activity A
20: Identify and select appropriate units for measuring volume
Prisms and Cylinders - Activity A
Pyramids and Cones - Activity A
21: Compare and estimate measurements of volume and capacity within and between the U.S. and metric systems
Prisms and Cylinders - Activity A
23: Define and apply the terms measure, distance, midpoint, bisect, bisector, and perpendicular bisector
Distance Formula - Activity A
Geoboard: The Pythagorean Theorem
Pythagorean Theorem - Activity A
24: Demonstrate conceptual and practical understanding of symmetry, similarity, and congruence and identify similar and congruent figures
Holiday Snowflake Designer
Perimeters and Areas of Similar Figures
Quilting Bee (Symmetry)
Similar Figures - Activity A
Similar Polygons
25: Predict, draw, and discuss the resulting changes in lengths, orientation, angle measures, and coordinates when figures are translated, reflected across horizontal or vertical lines, and rotated on a grid
Quilting Bee (Symmetry)
Reflections
Rock Art (Transformations)
Rotations, Reflections and Translations
Translating and Scaling Functions
Translations
26: Predict, draw, and discuss the resulting changes in lengths, orientation, and angle measures that occur in figures under a similarity transformation (dilation)
27: Construct polyhedra using 2-dimensional patterns (nets)
Surface and Lateral Area of Prisms and Cylinders
Surface and Lateral Area of Pyramids and Cones
28: Apply concepts, properties, and relationships of adjacent, corresponding, vertical, alternate interior, complementary, and supplementary angles
Investigating Angle Theorems - Activity A
Triangle Angle Sum - Activity A
29: Solve problems involving lengths of sides of similar triangles
Perimeters and Areas of Similar Figures
Similar Figures - Activity A
Similar Polygons
31: Use area to justify the Pythagorean theorem and apply the Pythagorean theorem and its converse in real-life problems
Distance Formula - Activity A
Geoboard: The Pythagorean Theorem
Pythagorean Theorem - Activity A
Pythagorean Theorem - Activity B
32: Model and explain the relationship between the dimensions of a rectangular prism and its volume (i.e., how scale change in linear dimension(s) affects volume)
Prisms and Cylinders - Activity A
33: Graph solutions to real-life problems on the coordinate plane
City Tour (Coordinates)
Points in the Coordinate Plane - Activity A
34: Determine what kind of data display is appropriate for a given situation
Box-and-Whisker Plots
Describing Data Using Statistics
Histograms
Line Plots
Scatter Plots - Activity A
Stem-and-Leaf Plots
35: Match a data set or graph to a described situation, and vice versa
Box-and-Whisker Plots
Graphing Skills
Line Plots
Reaction Time 1 (Graphs and Statistics)
Stem-and-Leaf Plots
36: Organize and display data using circle graphs
Graphing Skills
Reaction Time 1 (Graphs and Statistics)
37: Collect and organize data using box-and-whisker plots and use the plots to interpret quartiles and range
Box-and-Whisker Plots
Describing Data Using Statistics
Line Plots
Movie Reviewer (Mean and Median)
Reaction Time 1 (Graphs and Statistics)
38: Sketch and interpret a trend line (i.e., line of best fit) on a scatterplot
Correlation
Lines of Best Fit Using Least Squares - Activity A
Scatter Plots - Activity A
Solving Using Trend Lines
40: Explain factors in a data set that would affect measures of central tendency (e.g., impact of extreme values) and discuss which measure is most appropriate for a given situation
Describing Data Using Statistics
Line Plots
Mean, Median and Mode
Movie Reviewer (Mean and Median)
Reaction Time 1 (Graphs and Statistics)
41: Select random samples that are representative of the population, including sampling with and without replacement, and explain the effect of sampling on bias
42: Use lists, tree diagrams, and tables to apply the concept of permutations to represent an ordering with and without replacement
Permutations
Permutations and Combinations
Reaction Time 1 (Graphs and Statistics)
43: Use lists and tables to apply the concept of combinations to represent the number of possible ways a set of objects can be selected from a group
44: Use experimental data presented in tables and graphs to make outcome predictions of independent events
Compound Independent Events
Compound Independent and Dependent Events
Graphing Skills
45: Calculate, illustrate, and apply single- and multiple-event probabilities, including mutually exclusive, independent events and non-mutually exclusive, dependent events
Compound Independent Events
Compound Independent and Dependent Events
46: Distinguish between and explain when real-life numerical patterns are linear/arithmetic (i.e., grows by addition) or exponential/geometric (i.e., grows by multiplication)
Arithmetic and Geometric Sequences
Finding Patterns
Linear Functions
47: Represent the nth term in a pattern as a formula and test the representation
Arithmetic and Geometric Sequences
Finding Patterns
48: Illustrate patterns of change in dimension(s) and corresponding changes in volumes of rectangular solids
Prisms and Cylinders - Activity A
Translating and Scaling Functions
Content correlation last revised: 5/22/2007