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8th Grade Math

This course is currently under construction. The target release date for this course is unspecified.

Overview

Outcomes

Content

Learn exponents, radicals, scientific notation, equations, graphs, functions, geometry, transformations, the Pythagorean Theorem, and statistics. Solve real-world problems involving measurement, units, and data.

Upon successful completion of this course, students will have mastered the following:
1.
The Real Number System
6 topics
1.1. Rational and Irrational Numbers
1.1.1. The Real Number System
1.1.2. Classifying Square Roots and Cube Roots as Rational or Irrational
1.1.3. Writing Repeating Decimals as Fractions
1.2. Approximating Irrational Numbers
1.2.1. Approximating Square Roots and Cube Roots
1.2.2. Comparing and Ordering Real Numbers
1.2.3. Estimating Expressions With Irrational Numbers
2.
Exponents & Scientific Notation
22 topics
2.3. Integer Exponents
2.3.1. The Zeroth Power
2.3.2. Powers of Negative One
2.3.3. Negative Exponents
2.4. The Rules of Exponents
2.4.1. Evaluating Expressions With Integer Exponents
2.4.2. The Product Rule for Exponents
2.4.3. The Quotient Rule for Exponents
2.4.4. The Power Rule for Exponents
2.4.5. The Power of Product Rule for Exponents
2.4.6. The Power of Quotient Rule for Exponents
2.4.7. Combining the Rules of Exponents
2.5. Writing and Comparing Numbers in Scientific Notation
2.5.1. Writing Numbers in Scientific Notation
2.5.2. Converting Scientific Notation to Standard Notation
2.5.3. Comparing Numbers in Scientific Notation
2.6. Operations in Scientific Notation
2.6.1. Addition and Subtraction in Scientific Notation
2.6.2. Addition in Scientific Notation With Different Powers of Ten
2.6.3. Subtraction in Scientific Notation With Different Powers of Ten
2.6.4. Further Addition in Scientific Notation With Different Powers of Ten
2.6.5. Multiplying Numbers in Scientific Notation
2.6.6. Dividing Numbers in Scientific Notation
2.6.7. Estimating and Comparing Real-World Quantities Using Scientific Notation
2.7. Working With Units
2.7.1. Determining Units in Formulas
2.7.2. Selecting Units for Rates of Change
3.
Radicals
16 topics
3.8. Square Roots and Cube Roots
3.8.1. The Square Root of a Perfect Square
3.8.2. Squaring a Square Root
3.8.3. The Cube Root of a Perfect Cube
3.8.4. Surds
3.9. Simplifying and Operating With Radicals
3.9.1. Simplifying Expressions With Surds
3.9.2. Evaluating Numerical Expressions Containing Radicals
3.9.3. Adding and Subtracting Radicals
3.9.4. Rationalizing Denominators
3.10. The Rules of Radicals
3.10.1. Radicals as Fractional Exponents
3.10.2. The Product Rule for Radicals
3.10.3. The Quotient Rule for Radicals
3.11. Solving Equations Using Square and Cube Roots
3.11.1. Solving Equations Using Square Roots
3.11.2. Solving Radical Equations With Square Roots
3.11.3. Solving Equations Using Cube Roots
3.11.4. Solving Radical Equations With Cube Roots
3.11.5. Finding Side Lengths of Squares and Cubes From Area or Volume
4.
Linear Equations
18 topics
4.12. Solving and Analyzing Linear Equations
4.12.1. Linear Equations With Infinitely Many Solutions
4.12.2. Linear Equations With No Solutions
4.12.3. Modeling With Linear Equations in Two Variables
4.12.4. Modeling Totals Using Two-Variable Linear Equations
4.12.5. Analyzing and Interpreting Graphs of Linear Equations
4.13. Slopes and Equations of Lines
4.13.1. Graphing Linear Equations
4.13.2. Horizontal and Vertical Lines
4.13.3. Calculating Slopes of Straight Lines
4.13.4. Slope as a Unit Rate in Proportional Relationships
4.13.5. Equations of Lines in Slope-Intercept Form
4.13.6. Properties of Lines Given in Slope-Intercept Form
4.14. Systems of Linear Equations
4.14.1. Introduction to Systems of Linear Equations
4.14.2. Solving Systems of Equations by Substitution
4.14.3. Introduction to the Elimination Method
4.14.4. Solving Systems of Linear Equations Using Elimination: One Transformation
4.14.5. Solving Systems of Linear Equations Using Elimination: Two Transformations
4.14.6. Identifying the Number of Solutions to a System by Inspection
4.14.7. Solving Real-World Problems Using Systems of Linear Equations
5.
Functions
10 topics
5.15. Introduction to Functions
5.15.1. Introduction to Functions
5.15.2. Visual Representations of Functions
5.15.3. Graphs of Functions
5.16. Properties of Functions
5.16.1. Identifying Where a Function Is Increasing or Decreasing
5.16.2. Identifying Maximum and Minimum Values of a Function
5.16.3. Describing the Functional Relationship Between Two Quantities From a Graph
5.17. Linear Functions and Modeling
5.17.1. Linear Functions Versus Nonlinear Functions
5.17.2. Modeling Real-World Situations With Linear Equations
5.17.3. Interpreting Rate of Change and Initial Value in Context
5.17.4. Comparing Properties of Two Functions Represented Differently
6.
Geometry: Transformations, Congruence, & Similarity
23 topics
6.18. Angles and Parallel Lines
6.18.1. Corresponding Angles
6.18.2. Alternate Angles
6.18.3. Consecutive Angles
6.18.4. Angle Criteria for Parallel Lines
6.19. Angles in Triangles and Polygons
6.19.1. The Sum of Interior Angles of a Triangle
6.19.2. Exterior Angles of Triangles
6.19.3. Problem Solving With Angles of Triangles
6.19.4. Interior Angles of Polygons
6.19.5. Exterior Angles of Polygons
6.20. Rigid Transformations
6.20.1. Translations of Geometric Figures
6.20.2. Reflections of Geometric Figures in the Coordinate Plane
6.20.3. Rotations of Geometric Figures
6.20.4. Verifying Properties of Rigid Motions
6.20.5. Applying Sequences of Rigid Motions
6.20.6. Congruence Through Rigid Motions
6.21. Dilations and Similarity
6.21.1. Dilations of Geometric Figures
6.21.2. Dilations of Figures in the Coordinate Plane
6.21.3. Similar Polygons
6.21.4. Calculating Side Lengths and Angles of Similar Polygons
6.21.5. Similarity Through Sequences of Transformations
6.21.6. The Angle-Angle Criterion for Similar Triangles
6.21.7. Using Similar Triangles to Explain Slope
6.21.8. Describing a Sequence of Transformations That Maps One Figure Onto Another
7.
The Pythagorean Theorem & Volume
11 topics
7.22. The Pythagorean Theorem and Distance
7.22.1. Understanding and Proving the Pythagorean Theorem
7.22.2. Applying the Pythagorean Theorem to Find Missing Side Lengths
7.22.3. The Converse of the Pythagorean Theorem
7.22.4. Solving Real-World Problems Using the Pythagorean Theorem
7.22.5. Finding the Distance Between Two Points Using the Pythagorean Theorem
7.22.6. The Distance Formula
7.22.7. Applying the Pythagorean Theorem to Three-Dimensional Figures
7.23. Volumes of Cylinders, Cones, and Spheres
7.23.1. Volumes of Cylinders
7.23.2. Volumes of Cones
7.23.3. Volumes of Spheres
7.23.4. Solving Real-World Problems Involving Volumes of Cylinders, Cones, and Spheres
8.
Statistics: Bivariate Data
9 topics
8.24. Scatter Plots and Linear Models
8.24.1. Scatter Plots
8.24.2. Describing Patterns of Association in Scatter Plots
8.24.3. Trend Lines
8.24.4. Informally Assessing the Fit of a Trend Line to a Scatter Plot
8.24.5. Making Predictions Using Trend Lines
8.24.6. Interpreting Trend Line Coefficients
8.25. Bivariate Categorical Data and Two-Way Tables
8.25.1. Joint Frequency Tables
8.25.2. Calculating Relative Frequencies From Two-Way Tables
8.25.3. Identifying Patterns of Association From Two-Way Tables