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

Road Trip (Problem Solving)

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

Distance-Time Graphs

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)

Dilations

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

Polling: Neighborhood

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

Permutations and Combinations

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