Eighth Grade
Introduction
Comparing and Ordering Numbers
- Comparing 6-Digit Numbers
- Ordering 6-Digit Numbers
- Comparing Numbers Through the Millions
- Ordering 7-Digit Numbers
- Comparing Fractions and Decimals
- Ordering Decimal Numbers
- Comparing Integers
- Comparing Integers II
- Comparing Integers III
- Comparing and Ordering Quiz
Addition
- 3-Digit Addition Equations
- Adding 4-Digit Numbers
- 4-Digit Addition Equations
- Adding 5-Digit Numbers
- 5-Digit Addition Equations
- Adding 6-Digit Numbers
- 6-Digit Addition Equations
- Adding 7-Digit Numbers
- Addition Quiz
Subtraction
- Subtract 5-Digit Numbers
- 5-Digit Subtraction Sentences
- Subtract 6-Digit Numbers
- 6-Digit Subtraction Sentences
- Subtract 7-Digit Numbers
- Subtraction Quiz
Multiplication
- Multiplying 2-Digit Numbers
- Multiplying 3-Digit Numbers
- Multiplying 3-Digit by 2-Digit
- Multiplying Three Numbers
- Multiplying 5-Digit Numbers
- Multiplying 5-Digit by 2-Digit Numbers
- Multiplying 5-Digit by 3-Digit Numbers
- Multiplying 6-Digit by 2-Digit Numbers
- Multiplying 6-Digit by 3-Digit Numbers
- 1-Digit Multiplication Sentences
- 2-Digit Multiplication Sentences
- Multiplication Quiz
Division
- Dividing 3-Digit Without Remainder
- Dividing 3-Digit Numbers
- Dividing 4-Digit by 2-Digit Numbers
- Dividing 5-Digit by 3-Digit Numbers
- Dividing 6-Digit by 2-Digit Numbers
- Dividing 6-Digit by 3-Digit Numbers
- Dividing 7-Digit by 3-Digit Numbers
- Dividing 7-Digit by 4-Digit Numbers
- 1-Digit Division Sentences
- 2-Digit Division Sentences
- Division Quiz
Fractions and Decimals
- Divisibility Rules
- Factors
- Prime and Composite Numbers
- Greatest Common Factor
- Least Common Multiple
- Reciprocals
- Multiply Mixed Numbers
- Divide Mixed Numbers
- Adding 3 Decimals
- Rounding Decimals
- Estimate Sum of Decimals
- Estimate Difference of Decimals
- Fractions and Decimals Quiz
Fractions
- Adding Fractions
- Subtracting Fractions
- Multiplying Fractions
- Multiply Fraction by Whole Number
- Dividing Fractions
- Divide Fraction by Whole Number
- Fractions Quiz
Decimals, Fractions, and Percents
- Divide Decimals by Tenths
- Divide Decimals
- Comparing Fractions and Decimals
- Comparing Fractions and Whole Numbers
- Relationship between Fractions and Percents
- Relationship between Percents and Fractions
- Relationship between Decimals and Percents
- Relationship between Percents and Decimals
- Relationship between Fractions and Decimals
- Decimals, Fractions, and Percents Quiz
Ratios
Properties and Operations
- Properties of Addition
- Properties of Multiplication
- Order of Operations
- Order of Operations II
- Properties and Operations Quiz
Rounding and Estimating
- Addition Using Estimation
- Subtraction Using Estimation
- Rounding Numbers to Thousands
- Rounding Numbers to Ten Thousands
- Rounding Numbers to Hundred Thousands
- Front-End Estimation of Sums
- Front-End Estimation of Differences
- Rounding and Estimating Quiz
Measurement - Metric System
- Metric Prefixes
- Metric Prefixes 2
- Metric Symbols
- Metric Symbols 2
- Metric Number Values
- Metric Number Values 2
- Place Value in Metric Units
- Place Value in Metric Units 2
- Metric Quiz
Measurement - Temperature
- Convert Celsius to Fahrenheit Part I
- Convert Celsius to Fahrenheit Part II
- Convert Fahrenheit to Celsius Part I
- Convert Fahrenheit to Celsius Part II
- Temperature Quiz
Measurement - Mass
- Convert Metric Masses
- Compare Metric Masses
- Adding Pounds and Ounces
- Subtracting Pounds and Ounces
- Multiply Pounds and Ounces
- Divide Pounds and Ounces
- Mass Quiz
Measurement - Volume
- Convert Metric Volume
- Compare Metric Volumes
- US Volume
- Multiply Gallons, Quarts, and Pints
- Divide Gallons, Quarts, and Pints
- Volume Quiz
Measurement - Length
- Convert Metric Lengths
- Compare Metric Lengths
- US Length I
- US Length II
- Adding Feet and Inches
- Subtracting Feet and Inches
- Multiply Feet and Inches
- Divide Feet and Inches
- Convert between Metric and US Lengths
- Length Quiz
Measurement - Time
- Time Difference - Hours
- Time Difference - Half Hours
- Time Difference - Quarter Hours
- Time Difference - 5 Minutes
- Time Difference - Minutes
- Time Difference Quiz
- Add Hours to a Time
- Add Half-Hours to a Time
- Time Zones: Continental US
- Time Zones: Canada
- Time Zones: North America
- Time Zones: Europe
- Standard to Military Time
- Military to Standard Time
- Time Quiz
Consumer Math
- Amount of Change from a Purchase
- Coins for Making Change
- Sales Tax
- Total Price with Sales Tax
- Sales Commission
- Discount Price
- Price after Markup
- Simple Interest
- Simple Interest Total
- Shipping and Handling Fees
- Calculating Tips
- Estimating Tips
- Calculate Unit Price
- Total From Unit Price
- Consumer Math Quiz
Geometric Figures
- Identify Triangles by Angles
- Identify Triangles by Sides
- Types of Polygons
- Polygon Names by Number of Sides
- Geometric Figures Quiz
Geometric Calculations
- Find 3rd Angle of Triangle
- Find 4th Angle of Quadrilateral
- Find Complementary Angle
- Find Supplementary Angle
- Identify Complementary and Supplementary Angles
- Trigonometry Terms I
- Trigonometry Terms II
- Geometric Calculations Quiz
Perimeter and Circumference
- Perimeter of a Square
- Perimeter of a Rectangle
- Perimeter of a Parallelogram
- Circumference of a Circle
- Perimeter and Circumference Quiz
Area
- Area of a Square
- Area of a Rectangle
- Area of a Parallelogram
- Area of a Trapezoid
- Area of a Triangle
- Area of a Circle
- Area Quiz
Surface Area
- Surface Area of a Cube
- Surface Area of a Rectangular Prism
- Surface Area of a Cylinder
- Surface Area Quiz
Volume
- Volume of a Cube
- Volume of a Rectangular Prism
- Volume of a Cylinder
- Volume of a Sphere
- Volume of a Cone
- Volume of a Pyramid
- Volume Quiz
Integers
- Absolute Value
- Comparing Integers
- Adding One-Digit Integers
- One-Digit Integer Addition Equations
- Adding Two-Digit Integers
- Two-Digit Integer Addition Equations
- Adding Three Integers
- Three-Digit Integer Addition Equations
- Four-Digit Integer Addition Equations
- One-Digit Integer Subtraction Equations
- Subtracting Integers
- Two-Digit Integer Subtraction Equations
- Three-Digit Integer Subtraction Equations
- Four-Digit Integer Subtraction Equations
- Multiplying Integers
- Dividing Integers
- Integers Quiz
Expressions, Equations and Inequalities
- Evaluate a 1-Variable Expression
- Evaluate a 2-Variable Expression
- Evalute to Solve Equations
- One-Step Equations Part 1
- One-Step Equations Part 2
- One-Step Equations Part 3
- Two-Step Equations
- Inequalities
- Expressions, Equations, and Inequalities Quiz
Statistics
- Statistical Mean or Average Part I
- Statistical Mean or Average Part II
- Statistical Mode
- Statistical Range Part I
- Statistical Range Part II
- Statistical Median Part I
- Statistical Median Part II
- Basic Counting Principle
- Factorial
- Permutations
- Combinations
- Simple Probability
- Statistics Quiz
Exponents
- Powers by Multiplication
- Evaluate Squares
- Evaluate Squares II
- Evaluate Cubes
- Evaluate Exponents
- Evaluate Integers with Exponents
- Exponents Quiz
Scientific Notation
- Convert Standard Numbers to Scientific Notation
- Convert Scientific Notation to Standard Numbers
- Compare Scientific Notation and Standard Numbers
- Convert Decimals to Scientific Notation
- Convert Scientific Notation to Decimals
- Convert Negative Numbers to Scientific Notation
- Multiplying Numbers in Scientific Notation
- Dividing Numbers in Scientific Notation
- Scientific Notation Quiz
Patterns
- Find Geometric Pattern 1
- Find Geometric Pattern 2
- Find Geometric Pattern 3
- Find Missing Integers by 1's
- Find Missing Integers
- Patterns Quiz