# Explorations in Core Math - Grade 7: Online Textbook Help

• Course type: Self-paced
• Available Lessons: 115
• Average Lesson Length: 8 min
• Eligible for Certificate: Certificate completed Yes

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• Explorations in Core Math - Grade 7: Online Textbook Help Practice Test

### Course Summary

If you use the Explorations in Core Math textbook in class, this course is a great resource to supplement your studies. The course covers the same important math concepts found in the book, but uses short videos that make the math lessons easier to understand and more fun to learn.
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#### 11 chapters in Explorations in Core Math - Grade 7: Online Textbook Help

Course Practice Test

Check your knowledge of this course with a 50-question practice test.
• Comprehensive test covering all topics
• Detailed video explanations for wrong answers
Week {{::cp.getGoalWeekForTopic(0, 11)}}
Ch 1. Explorations in Core Math Grade 7 - Chapter 1: Algebraic Reasoning {{cp.topicAssetIdToProgress[83434].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Exponential Expressions & The Order of Operations
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Lesson 2 - Identity Property: Definition & Examples
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Lesson 3 - The Multiplication Property of Zero: Definition & Examples
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Lesson 4 - The Commutative Property: Definition and Examples
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Lesson 5 - The Associative Property: Definition and Examples
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Lesson 6 - Distributive Property: Definition, Use & Examples
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Lesson 7 - Translating Between Tables & Expressions
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Lesson 8 - Expressing Relationships as Algebraic Expressions
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Lesson 9 - Translating Words to Algebraic Expressions
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Lesson 10 - Restating Word Problems Using Words or Images
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Lesson 11 - The Commutative and Associative Properties and Algebraic Expressions
Score: {{cp.lessonAssetIdToProgress[11052].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11052].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - The Distributive Property and Algebraic Expressions
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Lesson 13 - Inverse Property: Definition & Examples
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Lesson 14 - Practice Simplifying Algebraic Expressions
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Lesson 15 - How to Find the Greatest Common Factor of a Polynomial
Score: {{cp.lessonAssetIdToProgress[83398].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[83398].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(1, 11)}}
Ch 2. Explorations in Core Math Grade 7 - Chapter 2: Integers & Rational Numbers {{cp.topicAssetIdToProgress[83435].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - What Is a Number Line?
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Lesson 2 - How to Compare Integers
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Lesson 3 - What is an Absolute Value?
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Lesson 4 - Addition Equations with One-Digit Integers
Score: {{cp.lessonAssetIdToProgress[33021].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[33021].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Addition Equations with Two-Digit Integers
Score: {{cp.lessonAssetIdToProgress[33022].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[33022].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Subtraction Equations with One-Digit Integers
Score: {{cp.lessonAssetIdToProgress[33024].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[33024].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Subtraction Equations with Two-Digit Integers
Score: {{cp.lessonAssetIdToProgress[33025].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[33025].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Multiplying Integers: Rules & Examples
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Lesson 9 - Dividing Integers: Rules & Terminology
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Lesson 10 - Defining, Translating, & Solving One-Step Equations
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Lesson 11 - Relating Fractions and Decimals
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Lesson 12 - Comparing & Ordering Rational Numbers
Score: {{cp.lessonAssetIdToProgress[46716].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[46716].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(2, 11)}}
Ch 3. Explorations in Core Math Grade 7 - Chapter 3: Applying Rational Numbers {{cp.topicAssetIdToProgress[83436].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Adding and Subtracting Decimals: Examples & Word Problems
Score: {{cp.lessonAssetIdToProgress[20863].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20863].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Multiplying and Dividing Decimals: Examples & Word Problems
Score: {{cp.lessonAssetIdToProgress[20864].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20864].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - How to Simplify Expressions Involving Decimals
Score: {{cp.lessonAssetIdToProgress[46733].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[46733].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Solving Problems Using Decimal Numbers
Score: {{cp.lessonAssetIdToProgress[11279].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11279].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - How to Add and Subtract Like Fractions and Mixed Numbers
Score: {{cp.lessonAssetIdToProgress[10617].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10617].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - How to Add and Subtract Unlike Fractions and Mixed Numbers
Score: {{cp.lessonAssetIdToProgress[10618].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10618].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Multiplying Fractions and Mixed Numbers
Score: {{cp.lessonAssetIdToProgress[10619].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10619].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Dividing Fractions and Mixed Numbers
Score: {{cp.lessonAssetIdToProgress[10620].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10620].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Solving Problems using Fractions and Mixed Numbers
Score: {{cp.lessonAssetIdToProgress[10623].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10623].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(3, 11)}}
Ch 4. Explorations in Core Math Grade 7 - Chapter 4: Proportional Relationships {{cp.topicAssetIdToProgress[83437].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - How to Solve Complex Fractions
Score: {{cp.lessonAssetIdToProgress[10624].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10624].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - How to Calculate Unit Rates & Unit Prices
Score: {{cp.lessonAssetIdToProgress[44556].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[44556].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Solving Problems Using Rates
Score: {{cp.lessonAssetIdToProgress[12022].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12022].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - How to Solve Ratio Word Problems
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Lesson 5 - Using Tables & Graphs to Explore Ratios & Rates
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Lesson 6 - Equivalent Expressions and Fraction Notation
Score: {{cp.lessonAssetIdToProgress[16801].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16801].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Proportion: Definition, Application & Examples
Score: {{cp.lessonAssetIdToProgress[15621].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[15621].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Solving Problems Involving Proportions: Definition and Examples
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Lesson 9 - Similar Figures: Definition & Examples
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Lesson 10 - Similar Polygons: Definition and Examples
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Lesson 11 - How to Read and Interpret Scale Drawings
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Lesson 12 - How to Construct and Interpret a Scale Map
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Week {{::cp.getGoalWeekForTopic(4, 11)}}
Ch 5. Explorations in Core Math Grade 7 - Chapter 5: Graphs {{cp.topicAssetIdToProgress[83438].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - What is a Coordinate Plane? - Definition, Quadrants & Example
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Lesson 2 - Ordered Pairs on the Coordinate Plane
Score: {{cp.lessonAssetIdToProgress[46774].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[46774].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Identify Where a Function is Linear, Increasing or Decreasing, Positive or Negative
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Lesson 4 - How to Find and Apply The Slope of a Line
Score: {{cp.lessonAssetIdToProgress[11295].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11295].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - What is a Linear Equation?
Score: {{cp.lessonAssetIdToProgress[553].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[553].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Linear Equations: Intercepts, Standard Form and Graphing
Score: {{cp.lessonAssetIdToProgress[554].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[554].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Equation of a Line Using Point-Slope Formula
Score: {{cp.lessonAssetIdToProgress[164].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[164].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Solving Equations of Direct Variation
Score: {{cp.lessonAssetIdToProgress[17670].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17670].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(5, 11)}}
Ch 6. Explorations in Core Math Grade 7 - Chapter 6: Percents {{cp.topicAssetIdToProgress[83439].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Converting Fractions to Percents & Back
Score: {{cp.lessonAssetIdToProgress[46739].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[46739].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Changing Between Decimals and Percents
Score: {{cp.lessonAssetIdToProgress[11281].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11281].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Estimating With Percentages
Score: {{cp.lessonAssetIdToProgress[83440].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[83440].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Percentage Increase and Decrease: Calculation and Examples
Score: {{cp.lessonAssetIdToProgress[29935].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29935].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Solve Problems Using Percents
Score: {{cp.lessonAssetIdToProgress[11282].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11282].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Taxes & Discounts: Calculations & Examples
Score: {{cp.lessonAssetIdToProgress[15580].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[15580].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - How to Find Simple Interest Rate: Definition, Formula & Examples
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Week {{::cp.getGoalWeekForTopic(6, 11)}}
Ch 7. Explorations in Core Math Grade 7 - Chapter 7: Collecting, Displaying & Analyzing Data {{cp.topicAssetIdToProgress[83441].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - What is the Center in a Data Set? - Definition & Options
Score: {{cp.lessonAssetIdToProgress[16173].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16173].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Mean, Median & Mode: Measures of Central Tendency
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Lesson 3 - How to Calculate Mean, Median, Mode & Range
Score: {{cp.lessonAssetIdToProgress[2388].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2388].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Calculating the Mean, Median, Mode & Range: Practice Problems
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Lesson 5 - The Mean vs the Median: Differences & Uses
Score: {{cp.lessonAssetIdToProgress[16177].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16177].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Maximums, Minimums & Outliers in a Data Set
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Lesson 7 - Creating & Interpreting Box Plots: Process & Examples
Score: {{cp.lessonAssetIdToProgress[17701].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17701].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Quartiles & the Interquartile Range: Definition, Formulate & Examples
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Lesson 9 - Difference between Populations & Samples in Statistics
Score: {{cp.lessonAssetIdToProgress[14558].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14558].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - What is Random Sampling? - Definition, Conditions & Measures
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Lesson 11 - Bias in Statistics: Definition & Examples
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Week {{::cp.getGoalWeekForTopic(7, 11)}}
Ch 8. Explorations in Core Math Grade 7 - Chapter 8: Geometric Figures {{cp.topicAssetIdToProgress[83442].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Points, Lines & Angles in Geometry
Score: {{cp.lessonAssetIdToProgress[20052].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20052].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Line Segments & Rays: Definition & Measurement
Score: {{cp.lessonAssetIdToProgress[14011].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14011].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - What is a Right Angle? - Definition & Formula
Score: {{cp.lessonAssetIdToProgress[10877].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10877].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - What is an Acute Angle? - Definition, Description & Examples
Score: {{cp.lessonAssetIdToProgress[14976].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14976].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - What is an Obtuse Angle? - Definition & Examples
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Lesson 6 - How to Measure Angles with a Protractor
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Lesson 7 - Complementary Angles: Definition, Theorem & Examples
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Lesson 8 - Supplementary Angle: Definition & Theorem
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Lesson 9 - Angles Formed by a Transversal
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Lesson 10 - Parallel, Perpendicular and Transverse Lines
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Lesson 11 - Line Segment Bisection & Midpoint Theorem: Geometric Construction
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Lesson 12 - How to Measure the Angles of a Polygon & Find the Sum
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Lesson 13 - Properties of Congruent and Similar Shapes
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Week {{::cp.getGoalWeekForTopic(8, 11)}}
Ch 9. Explorations in Core Math Grade 7 - Chapter 9: Measurement & Geometry {{cp.topicAssetIdToProgress[83443].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - What is Perimeter? - Definition & Formula
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Lesson 2 - Diameter and Circumference Related with Pi
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Lesson 3 - Circles: Area and Circumference
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Lesson 4 - Area of Complex Figures
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Lesson 5 - Overview of Three-dimensional Shapes in Geometry
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Lesson 6 - Nets of 3-Dimensional Figures
Score: {{cp.lessonAssetIdToProgress[46820].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[46820].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Counting Faces, Edges & Vertices of Polyhedrons
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Lesson 8 - Cross Section: Definition & Example
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Lesson 9 - Prisms: Definition, Area & Volume
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Lesson 10 - What Are Cylinders? - Definition, Area & Volume
Score: {{cp.lessonAssetIdToProgress[13835].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13835].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(9, 11)}}
Ch 10. Explorations in Core Math Grade 7 - Chapter 10: Probability {{cp.topicAssetIdToProgress[83444].percentComplete}}% complete
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 - Experimental Probability: Definition & Predictions
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Lesson 3 - Events as Subsets of a Sample Space: Definition & Example
Score: {{cp.lessonAssetIdToProgress[15104].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[15104].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - What is Theoretical Probability? - Definition, Formula & Examples
Score: {{cp.lessonAssetIdToProgress[14964].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14964].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Probability of Independent and Dependent Events
Score: {{cp.lessonAssetIdToProgress[2391].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2391].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Math Combinations: Formula and Example Problems
Score: {{cp.lessonAssetIdToProgress[2395].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2395].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - How to Calculate the Probability of Combinations
Score: {{cp.lessonAssetIdToProgress[2396].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2396].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - How to Calculate a Permutation
Score: {{cp.lessonAssetIdToProgress[2397].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2397].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 - Probability of Simple, Compound and Complementary Events
Score: {{cp.lessonAssetIdToProgress[2390].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2390].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(10, 11)}}
Ch 11. Explorations in Core Math Grade 7 - Chapter 11: Multi-Step Equations & Inequalities {{cp.topicAssetIdToProgress[83445].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - How to Solve Two-Step Linear Equations
Score: {{cp.lessonAssetIdToProgress[83446].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[83446].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - How to Solve Equations with Multiple Steps
Score: {{cp.lessonAssetIdToProgress[15917].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[15917].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Collecting Like Terms On One Side of an Equation
Score: {{cp.lessonAssetIdToProgress[15913].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[15913].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Solving Linear Equations: Practice Problems
Score: {{cp.lessonAssetIdToProgress[11425].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11425].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - What is an Inequality?
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Lesson 6 - Compound Inequality: Definition & Concept
Score: {{cp.lessonAssetIdToProgress[3763].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3763].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Solving One-Step Linear Inequalities
Score: {{cp.lessonAssetIdToProgress[46719].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[46719].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Solving Two-Step Linear Inequalities
Score: {{cp.lessonAssetIdToProgress[46720].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[46720].bestScoreQuestions}}  Take Quiz Optional

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Check your knowledge of this course with a 50-question practice test. Once you take the test, you will receive a detailed exam report complete with your personal statistics and even specific lessons to focus on! Take the practice test now
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• Answers and detailed explanations to each question
• Video lessons to explain complicated concepts
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