Course: United States • Grade 3 • Mathematics

Table of Contents

• Addition and Subtraction
  • Properties of Addition
  • Properties of Addition and Subtraction
  • Addition Patterns
  • Adding and Subtracting Odd and Even Numbers
• Add Three-Digit Numbers
  • Rounding to the Nearest Ten
  • Rounding to the Nearest Hundred
  • Estimating Sums of Two-Digit Numbers: Rounding
  • Estimating Sums of Three-Digit Numbers: Rounding
  • Estimating Sums of Three-Digit Numbers: Compatible Numbers
  • Mental Addition of Numbers up to 1,000
  • Column Addition of Three-Digit Numbers: Partial Sums
  • Column Addition of Three-Digit Numbers: No Regrouping
  • Column Addition of Three-Digit Numbers: Regroup Ones
  • Column Addition of Three-Digit Numbers: Regroup Tens
  • Column Addition of Three-Digit Numbers: Regroup Ones and Tens
  • Adding Three or More Numbers
• Subtract Three-Digit Numbers
  • Estimating Differences between Three-Digit Numbers: Rounding
  • Estimating Differences between Three-Digit Numbers: Compatible Numbers
  • Mental Subtraction of Numbers up to 1,000
  • Column Subtraction of Three-Digit Numbers: Partial Differences
  • Column Subtraction of Three-Digit Numbers: No Regrouping
  • Column Subtraction of Three-Digit Numbers: Regrouping Tens
  • Column Subtraction of Three-Digit Numbers: Regrouping Hundreds
  • Column Subtraction of Three-Digit Numbers: Regrouping Tens and Hundreds
  • Column Subtraction of Three-Digit Numbers: Subtracting across Zeros
  • Relating Addition to Subtraction: Numbers up to 1,000
  • Word Problems: Addition and Subtraction with Numbers up to 1,000
  • Additive Comparison with Numbers up to 1,000
  • Modeling Two-Step Addition and Subtraction Problems
• Model Multiplication
  • Counting Equal Groups
  • Adding Equal Groups
  • The Multiplication Symbol
  • Writing Multiplication Equations
  • Multiplying Numbers Using Repeated Addition
  • Multiplying Numbers Using a Number Line
  • Multiplying Numbers Using Bar Models
  • Multiplication with Arrays
• Multiplication
  • Commutative Property of Multiplication
  • Distributive Property of Multiplication
  • Associative Property of Multiplication
  • Multiplying by 1 and 0
  • Multiplying by 2
  • Multiplying by 3
  • Multiplying by 4
  • Multiplying by 5
  • Multiplying by 6
  • Multiplying by 7
  • Multiplying by 8
  • Multiplying by 9
  • Multiplying by 10
• Model Division
  • Sharing Equally
  • Dividing into Equal Groups
  • The Division Symbol: Sharing Equally
  • The Division Symbol: Grouping Equally
  • Dividing Numbers Using Repeated Subtraction
  • Dividing Numbers Using Bar Models
• Division
  • Division Rules for 0 and 1
  • Dividing by 2
  • Dividing by 3
  • Dividing by 4
  • Dividing by 5
  • Dividing by 6
  • Dividing by 7
  • Dividing by 8
  • Dividing by 9
  • Dividing by 10
• Multiplication and Division
  • Multiplication Tables
  • Patterns in Multiplication Tables
  • Multiplication Patterns
  • Multiplying Odd and Even Numbers
  • Relating Multiplication and Division
  • Comparing Multiplication and Division Expressions
  • Word Problems: Multiplication and Division
  • Multiplying a One-Digit Number by a Multiple of 10
  • Order of Operations: The Four Operations
• Fractions
  • Equal Parts
  • Halves
  • Quarters
  • Thirds
  • Dividing Shapes into Equal Parts
  • Unit Fractions
  • Nonunit Fractions
  • Fractions on a Number Line
  • Making a Whole
  • Unit Fractions of a Quantity
  • Finding the Whole Set
  • Equivalent Fractions Using Models
  • Equivalent Fractions on a Number Line
  • Fractions Greater Than One
  • Fractions Greater Than One on a Number Line
• Compare and Order Fractions
  • Comparing and Ordering Unit Fractions
  • Comparing Fractions Using Models: Same Denominator
  • Ordering Fractions with the Same Denominator
  • Comparing fractions with the Same Numerator
  • Ordering Fractions with the Same Numerator
  • Comparing Fractions Using Models
• Measure Length and Mass
  • Measuring Length to the Nearest Quarter of an Inch
  • Choosing Grams or Kilograms
  • Comparing Masses Indirectly
  • Estimating Mass: Metric Units
  • Comparing Masses in Grams or Kilograms
  • Converting Mass: Kilograms and Grams
  • Word Problems: Mass
• Measure Capacity and Time
  • Liters
  • Choosing Milliliters or Liters
  • Converting Capacity: Liters and Milliliters
  • Word Problems: Capacity
  • Reading Clocks: Nearest Minute
  • Duration to the Nearest Minute
• Perimeter and Area
  • Perimeter: Unit Squares
  • Perimeter of Polygons
  • Perimeter of Rectangles and Squares
  • Area: Nonstandard Units
  • Area: Whole and Half Squares
  • Area of Irregular Shapes
  • Area: Standard Units
  • Area of Rectangles
  • Areas of Rectangles with the Same Perimeter
  • Perimeters of Rectangles with the Same Area
• Geometry
  • Straight Lines, Line Segments, and Rays
  • Open and Closed Shapes
  • Angles and Right Angles
  • Parallel and Perpendicular Lines
  • Lines and Angles of 2D Shapes
  • Quadrilaterals
  • Types of Triangles: Angles
  • Types of Triangles: Sides
  • Classifying Polygons
• Statistics and Data
  • Tally Charts
  • Data Tables
  • Reading Picture Graphs with Nonunit Scale
  • Bar Graphs with Nonunit Scales
  • Line Plots