Math Challenges
• Comprehensive Math Grade Assessment
• Review Math for Kindergarteners • Review Math for 1st Graders • Review Math for 2nd Graders • Review Math for 3rd Graders • Review Math for 4th Graders • Review Math for 5th Graders • Review Math for 6th Graders • Review Math for Middle School
• Number Sense
• Numbers 0-10
• Counting Numbers 1-10 • Identifying Numbers 0-10 • Comparing Numbers 0-10 • Ordering Numbers 0-10 • Writing Numbers 0-10
• Numbers 11-20
• Counting Numbers 11-20 • Identifying Numbers 11-20 • Comparing Numbers 11-20 • Ordering Numbers 11-20 • Writing Numbers 11-20
• Two-Digit Numbers
• Comparing Two-Digit Numbers • Hundreds Charts
• Three-Digit Numbers
• Patterns in Three-Digit Numbers • Identifying Three-Digit Numbers • Comparing Three-Digit Numbers • Ordering Three-Digit Numbers • Writing Three-Digit Numbers
• Multi-Digit Numbers • Mental Math • Place Value
• Two-Digit Place Value • Three-Digit Place Value • Four-Digit Place Value • Multi-Digit Place Value • Rounding Numbers • Expanded Form
• Number Theory
• Factors and Multiples • Prime and Composite Numbers • Least Common Multiple • Greatest Common Factor
• Exponents
• Powers of Ten
• Roots • Scientific Notation • Integers and Rational Numbers
• Absolute Value • Operations With Integers • Operations With Rational Numbers
• Irrational Numbers
• Addition
• Addition Strategies
• Addition on a Number Line • Addition and Patterns of One More • Addition and Counting On • Addition and Ten Frames • Composing and Decomposing Numbers • Repeated Addition
• Addition Facts
• Addition Within 5 • Addition Within 10 • Addition Within 20 • Addition Within 100
• Multi-Digit Addition
• Two-Digit Addition • Two-Digit by One-Digit Addition • Two-Digit Addition and Regrouping • Three-Digit Addition • Three-Digit Addition and Regrouping
• Addition and Missing Addends
• Subtraction
• Subtraction Strategies
• Subtraction on a Number Line • Subtraction and Ten Frames • Subtraction and Patterns of One Less • Subtraction and Counting Back • Repeated Subtraction
• Subtraction Facts
• Subtraction Within 5 • Subtraction Within 10 • Subtraction Within 20 • Subtraction Within 100
• Multi-Digit Subtraction
• Two-Digit Subtraction • Two-Digit Subtraction and Regrouping • Three-Digit Subtraction • Three-Digit Subtraction and Regrouping
• Subtraction and Missing Numbers
• Multiplication
• Multiplication Strategies
• Multiplication and Skip Counting • Multiplication and Repeated Addition • Multiplication as Equal Groups • Multiplication with Arrays • Multiplication and Area Models • Multiplication and Partial Products
• Multiplication Facts • One-Digit Multiplication • Multi-Digit Multiplication • Properties of Multiplication
• Commutative Property of Multiplication • Associative Property of Multiplication • Distributive Property of Multiplication
• Patterns
• Addition Patterns
• Addition and Patterns of 1 More
• Letter Patterns • Number Patterns
• Odd and Even Numbers • Large Number Patterns
• Analyze Arithmetic Patterns
• Division
• Division with One-Digit Divisors • Division Strategies • Division Facts • Long Division
• Division without Remainders • Division with Remainders • Division with Two-Digit Divisors • Division with Multi-Digit Numbers
• Divisibility Rules
• Mixed Operations
• Fact Families • Number Bonds • Mixed Addition and Subtraction • Mixed Multiplication and Division • Order of Operations
• Fractions
• Fractions and Parts of a Set • Fractions and Parts of a Whole • Fraction Models
• Fractions as Parts of a Whole • Fractions as Parts of a Set • Fractions on a Number Line
• Equivalent Fractions • Comparing Fractions • Mixed Numbers and Improper Fractions • Adding and Subtracting Fractions
• Adding Fractions • Subtracting Fractions • Adding Fractions with Like Denominators • Subtracting Fractions with Like Denominators • Adding Fractions with Unlike Denominators • Subtracting Fractions with Unlike Denominators • Adding and Subtracting Mixed Numbers • Adding Mixed Numbers • Subtracting Mixed Numbers
• Multiplying and Dividing Fractions
• Multiplying Fractions • Division with Unit Fractions • Dividing Fractions
• Decimals
• Decimal Fractions • Decimal Place Value • Rounding Decimals • Comparing Decimals • Ordering Decimals • Converting Decimals and Fractions • Adding Decimals • Subtracting Decimals • Multiplying Decimals • Dividing Decimals
• Percents, Ratios, and Rates
• Percents
• Converting Percents, Decimals, and Fractions • Percent Problems
• Ratios and Rates
• Unit Rates
• Proportional Relationships
• Algebra
• Understanding Expressions and Equations • One-Variable Equations • Inequalities • Expressions • Linear Equations • Systems of Equations • Functions
• Geometry
• Comparing Shapes • 2D Shapes
• Flat Shapes • Triangles • Squares • Rectangles • Circles • Quadrilaterals • Trapezoids • Pentagons • Hexagons
• 3D Shapes
• Cubes • Cones • Cylinders • Spheres • Rectangular Prisms
• Composing Shapes • Decomposing Shapes • Shape Patterns • Properties of Geometric Shapes • Classifying Shapes
• Classifying Quadrilaterals • Classifying Triangles
• Symmetry • Scaling Shapes • Lines
• Parallel and Perpendicular Lines
• Angles
• Measuring Angles • Classifying Angles • Complementary, Supplementary, Vertical, and Adjacent Angles • Lines and Angles
• Transformations
• Translations • Rotations • Reflections • Dilations
• Congruent Figures • Similar Figures • Triangle Theorems • Perimeter • Area
• Area of a Rectangle • Area of Quadrilaterals • Area of a Triangle • Area of Compound Shapes • Area and Circumference of a Circle • Surface Area
• Volume
• Volume of a Sphere • Volume of a Cylinder • Volume of a Rectangular Prism • Volume of a Cone
• Measurement
• Comparing Measurement
• Measurement and Comparisons • Comparing Size • Comparing Amount • Comparing Volume • Comparing Weight • Comparing Length • Measurement and Equivalence • Measurement and Weight • Measurement and Capacity • Measurement and Volume
• Measurement Tools and Strategies
• Measurement Tools
• English Units of Measurement
• Measuring in Inches • Measuring in Feet • Measuring in Yards
• Metric System
• Measuring in Centimeters • Measuring in Meters
• Measuring Length • Measuring Weight • Measuring Volume • Scale and Conversions
• Time
• Days, Weeks, and Months on a Calendar • AM and PM • Time to the Hour • Time to the Half Hour • Time to the Quarter Hour • Time to the Nearest Five Minutes • Time to the Minute • Elapsed Time
• Money Math
• Identifying Coins
• Recognizing and Knowing the Value of Coins • Pennies • Nickels • Dimes • Quarters • Dollars
• Operations with Money
• Adding Money • Adding Groups of Coins • Subtracting Money
• Data and Graphing
• Graphing • Data • Collecting and Organizing Data • Graphing Points on a Coordinate Plane • Data Word Problems • Organizing Data • Sorting and Categorizing • Graphing Data • Probability • Statistics • Coordinate Planes
• Math Word Problems
• Single Step Math Word Problems • Addition Word Problems • Subtraction Word Problems • Multiplication Word Problems • Division Word Problems • Mixed Operation Word Problems • Multi-Step Word Problems • Fraction Word Problems • Geometry Word Problems • Measurement Word Problems • Time Word Problems • Money Word Problems
• Math Puzzles
• Puzzles and Brain Teasers • Hidden Objects
• Review Math for Kindergarteners • Review Math for 1st Graders • Review Math for 2nd Graders • Review Math for 3rd Graders • Review Math for 4th Graders • Review Math for 5th Graders • Review Math for 6th Graders • Review Math for Middle School
• Number Sense
• Numbers 0-10
• Counting Numbers 1-10 • Identifying Numbers 0-10 • Comparing Numbers 0-10 • Ordering Numbers 0-10 • Writing Numbers 0-10
• Numbers 11-20
• Counting Numbers 11-20 • Identifying Numbers 11-20 • Comparing Numbers 11-20 • Ordering Numbers 11-20 • Writing Numbers 11-20
• Two-Digit Numbers
• Comparing Two-Digit Numbers • Hundreds Charts
• Three-Digit Numbers
• Patterns in Three-Digit Numbers • Identifying Three-Digit Numbers • Comparing Three-Digit Numbers • Ordering Three-Digit Numbers • Writing Three-Digit Numbers
• Multi-Digit Numbers • Mental Math • Place Value
• Two-Digit Place Value • Three-Digit Place Value • Four-Digit Place Value • Multi-Digit Place Value • Rounding Numbers • Expanded Form
• Number Theory
• Factors and Multiples • Prime and Composite Numbers • Least Common Multiple • Greatest Common Factor
• Exponents
• Powers of Ten
• Roots • Scientific Notation • Integers and Rational Numbers
• Absolute Value • Operations With Integers • Operations With Rational Numbers
• Irrational Numbers
• Addition
• Addition Strategies
• Addition on a Number Line • Addition and Patterns of One More • Addition and Counting On • Addition and Ten Frames • Composing and Decomposing Numbers • Repeated Addition
• Addition Facts
• Addition Within 5 • Addition Within 10 • Addition Within 20 • Addition Within 100
• Multi-Digit Addition
• Two-Digit Addition • Two-Digit by One-Digit Addition • Two-Digit Addition and Regrouping • Three-Digit Addition • Three-Digit Addition and Regrouping
• Addition and Missing Addends
• Subtraction
• Subtraction Strategies
• Subtraction on a Number Line • Subtraction and Ten Frames • Subtraction and Patterns of One Less • Subtraction and Counting Back • Repeated Subtraction
• Subtraction Facts
• Subtraction Within 5 • Subtraction Within 10 • Subtraction Within 20 • Subtraction Within 100
• Multi-Digit Subtraction
• Two-Digit Subtraction • Two-Digit Subtraction and Regrouping • Three-Digit Subtraction • Three-Digit Subtraction and Regrouping
• Subtraction and Missing Numbers
• Multiplication
• Multiplication Strategies
• Multiplication and Skip Counting • Multiplication and Repeated Addition • Multiplication as Equal Groups • Multiplication with Arrays • Multiplication and Area Models • Multiplication and Partial Products
• Multiplication Facts • One-Digit Multiplication • Multi-Digit Multiplication • Properties of Multiplication
• Commutative Property of Multiplication • Associative Property of Multiplication • Distributive Property of Multiplication
• Patterns
• Addition Patterns
• Addition and Patterns of 1 More
• Letter Patterns • Number Patterns
• Odd and Even Numbers • Large Number Patterns
• Analyze Arithmetic Patterns
• Division
• Division with One-Digit Divisors • Division Strategies • Division Facts • Long Division
• Division without Remainders • Division with Remainders • Division with Two-Digit Divisors • Division with Multi-Digit Numbers
• Divisibility Rules
• Mixed Operations
• Fact Families • Number Bonds • Mixed Addition and Subtraction • Mixed Multiplication and Division • Order of Operations
• Fractions
• Fractions and Parts of a Set • Fractions and Parts of a Whole • Fraction Models
• Fractions as Parts of a Whole • Fractions as Parts of a Set • Fractions on a Number Line
• Equivalent Fractions • Comparing Fractions • Mixed Numbers and Improper Fractions • Adding and Subtracting Fractions
• Adding Fractions • Subtracting Fractions • Adding Fractions with Like Denominators • Subtracting Fractions with Like Denominators • Adding Fractions with Unlike Denominators • Subtracting Fractions with Unlike Denominators • Adding and Subtracting Mixed Numbers • Adding Mixed Numbers • Subtracting Mixed Numbers
• Multiplying and Dividing Fractions
• Multiplying Fractions • Division with Unit Fractions • Dividing Fractions
• Decimals
• Decimal Fractions • Decimal Place Value • Rounding Decimals • Comparing Decimals • Ordering Decimals • Converting Decimals and Fractions • Adding Decimals • Subtracting Decimals • Multiplying Decimals • Dividing Decimals
• Percents, Ratios, and Rates
• Percents
• Converting Percents, Decimals, and Fractions • Percent Problems
• Ratios and Rates
• Unit Rates
• Proportional Relationships
• Algebra
• Understanding Expressions and Equations • One-Variable Equations • Inequalities • Expressions • Linear Equations • Systems of Equations • Functions
• Geometry
• Comparing Shapes • 2D Shapes
• Flat Shapes • Triangles • Squares • Rectangles • Circles • Quadrilaterals • Trapezoids • Pentagons • Hexagons
• 3D Shapes
• Cubes • Cones • Cylinders • Spheres • Rectangular Prisms
• Composing Shapes • Decomposing Shapes • Shape Patterns • Properties of Geometric Shapes • Classifying Shapes
• Classifying Quadrilaterals • Classifying Triangles
• Symmetry • Scaling Shapes • Lines
• Parallel and Perpendicular Lines
• Angles
• Measuring Angles • Classifying Angles • Complementary, Supplementary, Vertical, and Adjacent Angles • Lines and Angles
• Transformations
• Translations • Rotations • Reflections • Dilations
• Congruent Figures • Similar Figures • Triangle Theorems • Perimeter • Area
• Area of a Rectangle • Area of Quadrilaterals • Area of a Triangle • Area of Compound Shapes • Area and Circumference of a Circle • Surface Area
• Volume
• Volume of a Sphere • Volume of a Cylinder • Volume of a Rectangular Prism • Volume of a Cone
• Measurement
• Comparing Measurement
• Measurement and Comparisons • Comparing Size • Comparing Amount • Comparing Volume • Comparing Weight • Comparing Length • Measurement and Equivalence • Measurement and Weight • Measurement and Capacity • Measurement and Volume
• Measurement Tools and Strategies
• Measurement Tools
• English Units of Measurement
• Measuring in Inches • Measuring in Feet • Measuring in Yards
• Metric System
• Measuring in Centimeters • Measuring in Meters
• Measuring Length • Measuring Weight • Measuring Volume • Scale and Conversions
• Time
• Days, Weeks, and Months on a Calendar • AM and PM • Time to the Hour • Time to the Half Hour • Time to the Quarter Hour • Time to the Nearest Five Minutes • Time to the Minute • Elapsed Time
• Money Math
• Identifying Coins
• Recognizing and Knowing the Value of Coins • Pennies • Nickels • Dimes • Quarters • Dollars
• Operations with Money
• Adding Money • Adding Groups of Coins • Subtracting Money
• Data and Graphing
• Graphing • Data • Collecting and Organizing Data • Graphing Points on a Coordinate Plane • Data Word Problems • Organizing Data • Sorting and Categorizing • Graphing Data • Probability • Statistics • Coordinate Planes
• Math Word Problems
• Single Step Math Word Problems • Addition Word Problems • Subtraction Word Problems • Multiplication Word Problems • Division Word Problems • Mixed Operation Word Problems • Multi-Step Word Problems • Fraction Word Problems • Geometry Word Problems • Measurement Word Problems • Time Word Problems • Money Word Problems
• Math Puzzles
• Puzzles and Brain Teasers • Hidden Objects