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8th Grade Math

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If you're a student, teacher or parent who needs a helpful 8th grade math study resource, check out this mobile-friendly and self-paced math course. The course's video lessons and interactive quizzes are great options for test preparation, homework help, tutoring and much more.
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12 chapters in 8th Grade Math

Week {{::cp.getGoalWeekForTopic(0, 12)}}
Ch 1. Number Systems & Theory {{cp.topicAssetIdToProgress[331199].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - What Are Composite Numbers? - Definition & Examples Score: {{cp.lessonAssetIdToProgress[14958].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14958].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Identifying Prime & Composite Numbers Score: {{cp.lessonAssetIdToProgress[32987].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32987].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - What Are Twin Prime Numbers? Score: {{cp.lessonAssetIdToProgress[225019].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[225019].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - What are Rational Numbers? - Definition & Examples Score: {{cp.lessonAssetIdToProgress[3241].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3241].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - What are Irrational Numbers? - Definition & Examples Score: {{cp.lessonAssetIdToProgress[3242].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3242].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Finding the Absolute Value of a Real Number Score: {{cp.lessonAssetIdToProgress[14499].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14499].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Rational Exponents Score: {{cp.lessonAssetIdToProgress[602].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[602].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Scientific Notation: Definition and Examples Score: {{cp.lessonAssetIdToProgress[14643].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14643].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Converting Numbers to Scientific Notation Score: {{cp.lessonAssetIdToProgress[32985].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32985].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Comparing Numbers Written in Scientific Notation Score: {{cp.lessonAssetIdToProgress[32986].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32986].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(2, 12)}}
Course Progress Best Score
Lesson 1 - What are Variables in Math? - Definition & Examples Score: {{cp.lessonAssetIdToProgress[9142].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9142].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Coefficients: Definition & Concept Score: {{cp.lessonAssetIdToProgress[3756].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3756].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Like Terms in Math: Definition & Examples Score: {{cp.lessonAssetIdToProgress[20260].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20260].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Translating Words to Algebraic Expressions Score: {{cp.lessonAssetIdToProgress[15915].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[15915].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Expressing Relationships as Algebraic Expressions Score: {{cp.lessonAssetIdToProgress[11050].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11050].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Practice Simplifying Algebraic Expressions Score: {{cp.lessonAssetIdToProgress[11055].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11055].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - How to Simplify Expressions with Exponents Score: {{cp.lessonAssetIdToProgress[601].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[601].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Simplifying Expressions with Rational Exponents Score: {{cp.lessonAssetIdToProgress[603].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[603].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Negative Signs and Simplifying Algebraic Expressions Score: {{cp.lessonAssetIdToProgress[11056].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11056].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Solving Linear Equations With Substitution Score: {{cp.lessonAssetIdToProgress[65234].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[65234].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - What is an Inequality? Score: {{cp.lessonAssetIdToProgress[571].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[571].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Translating Math Sentences to Inequalities Score: {{cp.lessonAssetIdToProgress[18417].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[18417].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Writing Equations with Inequalities: Open Sentences and True/False Statements Score: {{cp.lessonAssetIdToProgress[15907].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[15907].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(3, 12)}}
Week {{::cp.getGoalWeekForTopic(4, 12)}}
Course Progress Best Score
Lesson 1 - Practice Problems for Calculating Ratios and Proportions Score: {{cp.lessonAssetIdToProgress[17719].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17719].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Directly Proportional: Definition, Equation & Examples Score: {{cp.lessonAssetIdToProgress[21778].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21778].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Graphing Quantity Values With Constant Ratios Score: {{cp.lessonAssetIdToProgress[56086].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[56086].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Linear Equations: Intercepts, Standard Form and Graphing Score: {{cp.lessonAssetIdToProgress[554].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[554].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - How to Find and Apply The Slope of a Line Score: {{cp.lessonAssetIdToProgress[11295].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11295].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Model a Linear Relationship Between Two Quantities Score: {{cp.lessonAssetIdToProgress[21208].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21208].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Writing & Evaluating Real-Life Linear Models: Process & Examples Score: {{cp.lessonAssetIdToProgress[14503].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14503].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(5, 12)}}
Course Progress Best Score
Lesson 1 - What is a System of Equations? Score: {{cp.lessonAssetIdToProgress[559].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[559].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - How Do I Use a System of Equations? Score: {{cp.lessonAssetIdToProgress[560].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[560].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - How to Solve a System of Equations by Graphing Score: {{cp.lessonAssetIdToProgress[46778].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[46778].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - How to Solve a System of Equations by Substitution Score: {{cp.lessonAssetIdToProgress[46779].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[46779].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - How to Solve a System of Equations by Elimination Score: {{cp.lessonAssetIdToProgress[46780].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[46780].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - How to Solve a System of Linear Equations in Two Variables Score: {{cp.lessonAssetIdToProgress[21226].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21226].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - How to Solve a Linear System in Three Variables With a Solution Score: {{cp.lessonAssetIdToProgress[21227].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21227].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - How to Solve a Linear System in Three Variables With No or Infinite Solutions Score: {{cp.lessonAssetIdToProgress[21228].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21228].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(6, 12)}}
Week {{::cp.getGoalWeekForTopic(7, 12)}}
Week {{::cp.getGoalWeekForTopic(8, 12)}}
Course Progress Best Score
Lesson 1 - Classifying Triangles by Angles and Sides Score: {{cp.lessonAssetIdToProgress[14339].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14339].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Angles and Triangles: Practice Problems Score: {{cp.lessonAssetIdToProgress[2408].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2408].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Pythagorean Theorem: Definition & Example Score: {{cp.lessonAssetIdToProgress[15238].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[15238].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Pythagorean Theorem: Practice and Application Score: {{cp.lessonAssetIdToProgress[2403].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2403].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Triangle Proportionality Theorem Score: {{cp.lessonAssetIdToProgress[14099].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14099].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Proving Angle Relationships Score: {{cp.lessonAssetIdToProgress[57274].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[57274].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Reading & Interpreting Circle Graphs & Central Angles Score: {{cp.lessonAssetIdToProgress[46843].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[46843].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(10, 12)}}
Course Progress Best Score
Lesson 1 - What is Probability in Math? - Definition & Overview Score: {{cp.lessonAssetIdToProgress[9154].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9154].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - What is Theoretical Probability? - Definition, Formula & Examples Score: {{cp.lessonAssetIdToProgress[14964].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14964].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Experimental Probability: Definition & Predictions Score: {{cp.lessonAssetIdToProgress[46847].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[46847].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Conditional Probability: Definition & Uses Score: {{cp.lessonAssetIdToProgress[22089].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[22089].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Probability of Simple, Compound and Complementary Events Score: {{cp.lessonAssetIdToProgress[2390].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2390].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Probability of Compound Events: Definition & Examples Score: {{cp.lessonAssetIdToProgress[9158].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9158].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - How to Calculate Simple Conditional Probabilities Score: {{cp.lessonAssetIdToProgress[2394].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2394].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Probability of Independent and Dependent Events Score: {{cp.lessonAssetIdToProgress[2391].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2391].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - How to Calculate the Probability of Permutations Score: {{cp.lessonAssetIdToProgress[2398].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2398].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - How to Calculate the Probability of Combinations Score: {{cp.lessonAssetIdToProgress[2396].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2396].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Using Manipulatives to Solve Probability Problems Score: {{cp.lessonAssetIdToProgress[331219].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[331219].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(11, 12)}}
Course Progress Best Score
Lesson 1 - Statistical vs Non-Statistical Questions Score: {{cp.lessonAssetIdToProgress[46853].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[46853].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Scatterplots and Line Graphs: Definitions and Uses Score: {{cp.lessonAssetIdToProgress[15886].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[15886].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Bar Graph: Definition, Types & Examples Score: {{cp.lessonAssetIdToProgress[9155].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9155].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - How to Calculate Mean, Median, Mode & Range Score: {{cp.lessonAssetIdToProgress[2388].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2388].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Identifying & Calculating Averages Score: {{cp.lessonAssetIdToProgress[29944].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29944].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - What is a Histogram in Math? - Definition & Examples Score: {{cp.lessonAssetIdToProgress[11062].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11062].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Samples: Representative, Random & Biased Score: {{cp.lessonAssetIdToProgress[46851].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[46851].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - What is Random Sampling? - Definition, Conditions & Measures Score: {{cp.lessonAssetIdToProgress[18390].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[18390].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Measures of Central Tendency: Definitions & Practice Score: {{cp.lessonAssetIdToProgress[45252].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[45252].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Creating & Interpreting Box Plots: Process & Examples Score: {{cp.lessonAssetIdToProgress[17701].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17701].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Creating & Reading Stem & Leaf Displays Score: {{cp.lessonAssetIdToProgress[17697].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17697].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Circle Graph: Definition & Examples Score: {{cp.lessonAssetIdToProgress[9140].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9140].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Read, Interpret & Construct Box-and-Whisker Plots Score: {{cp.lessonAssetIdToProgress[46841].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[46841].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - Visual Representations of a Data Set: Shape, Symmetry & Skewness Score: {{cp.lessonAssetIdToProgress[16175].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16175].bestScoreQuestions}}  Take Quiz Optional
Lesson 15 - Misleading Uses of Statistics Score: {{cp.lessonAssetIdToProgress[14572].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14572].bestScoreQuestions}}  Take Quiz Optional
Lesson 16 - Making Estimates and Predictions using Quantitative Data Score: {{cp.lessonAssetIdToProgress[11066].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11066].bestScoreQuestions}}  Take Quiz Optional

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