Table of Contents

Unit 1 Whole Number Operations

Chapter 1 Addition and Subtraction within 1,000
 1 Algebra • Number Patterns
 2 Round to the Nearest Ten or Hundred
 3 Estimate Sums
 4 Mental Math Strategies for Addition
 5 Algebra • Use Properties to Add
 6 Use the Break Apart Strategy to Add
 7 Use Place Value to Add
 8 Estimate Differences
 9 Mental Math Strategies for Subtraction

10 Use Place Value to Subtract
 Column Subtraction of ThreeDigit Numbers: Regrouping Tens and Hundreds
 Column Subtraction of ThreeDigit Numbers: Regrouping Tens
 Column Subtraction of ThreeDigit Numbers: Regrouping Hundreds
 Column Subtraction of ThreeDigit Numbers: No Regrouping
 Column Subtraction of ThreeDigit Numbers: Subtracting across Zeros
 11 Combine Place Values to Subtract
 12 Problem Solving • Model Addition and Subtraction

Chapter 2 Represent and Interpret Data
 1 Problem Solving • Organize Data
 2 Use Picture Graphs
 3 Make Picture Graphs
 4 Use Bar Graphs
 5 Make Bar Graphs
 6 Solve Problems Using Data
 7 Use and Make Line Plots

Chapter 3 Understand Multiplication
 1 Count Equal Groups
 2 Algebra • Relate Addition and Multiplication
 3 Skip Count on a Number Line
 4 Problem Solving • Model Multiplication
 5 Model with Arrays
 6 Algebra • Commutative Property of Multiplication
 7 Algebra • Multiply with 1 to 0

Chapter 4 Multiplication Facts and Strategies
 1 Multiply with 2 and 4
 2 Multiply with 5 and 10
 3 Multiply with 3 and 6
 4 Algebra • Distributive Property
 5 Multiply with 7
 6 Algebra • Associative Property of Multiplication
 7 Algebra • Patterns on the Multiplication Table
 8 Multiply with 8
 9 Multiply with 9
 10 Problem Solving • Multiplication

Chapter 5 Use Multiplication Facts
 1 Algebra • Describe Patterns
 2 Algebra • Find Unknown Factors
 3 Problem Solving • Use the Distributive Property
 4 Use Place Value to Multiply with 10
 5 Multiply with Multiples of 10

Chapter 6 Understand Division
 1 Problem Solving Model Division
 2 Size of Equal Groups
 3 Number of Equal Groups
 4 Model with Bar Models
 5 Algebra • Relate Subtraction and Division
 6 Investigate • Model with Arrays
 7 Algebra • Relate Multiplication and Division
 8 Algebra • Write Related Facts
 9 Algebra • Division Rules for 1 and 0

Chapter 7 Division Facts and Strategies
 1 Divide by 2
 2 Divide by 10
 3 Divide by 5
 4 Divide by 3
 5 Divide by 4
 6 Divide by 6
 7 Divide by 7
 8 Divide by 8
 9 Divide by 9
 10 Problem Solving • TwoStep Problems
 11 Investigate • Order of Operations

Chapter 1 Addition and Subtraction within 1,000

Unit 2 Fractions

Chapter 8 Understand Fractions
 1 Equal Parts of a Whole
 2 Equal Shares
 3 Unit Fractions of a Whole
 4 Fractions of a Whole
 5 Fractions on a Number Line
 6 Relate Fractions and Whole Numbers
 7 Fractions of a Group
 8 Find Part of a Group Using Unit Fractions
 9 Problem Solving • Find the Whole Group Using Unit Fractions

Chapter 9 Compare Fractions
 1 Problem Solving • Compare Fractions
 2 Compare Fractions with the Same Denominator
 3 Compare Fractions with the Same Numerator
 4 Compare Fractions
 5 Compare and Order Fractions
 6 Investigate • Model Equivalent Fractions
 7 Equivalent Fractions

Chapter 8 Understand Fractions

Unit 3 Measurement

Chapter 10 Time, Length, Liquid Volume, and Mass
 1 Time to the Minute
 2 A.M. and P.M.
 3 Measure Time Intervals
 4 Use Time Intervals
 5 Problem Solving • Time Intervals
 6 Measure Length
 7 Estimate and Measure Liquid Volume
 8 Estimate and Measure Mass
 9 Solve Problems about Liquid Volume and Mass

Chapter 11 Perimeter and Area
 1 Investigate • Model Perimeter
 2 Find Perimeter
 3 Algebra • Find Unknown Side Length
 4 Understand Area
 5 Measure Area
 6 Use Area Models
 7 Problem Solving • Area of Rectangles
 8 Area of Combined Rectangles
 9 Same Perimeter, Different Areas
 10 Same Area, Different Perimeter

Chapter 10 Time, Length, Liquid Volume, and Mass

Unit 4 Geometry

Chapter 12 TwoDimensional Shapes
 1 Describe Plane Shapes
 2 Describe Angles in Plane Shapes
 3 Identify Polygons
 4 Describe Sides of Polygons
 5 Classify Quadrilaterals
 6 Draw Quadrilaterals
 7 Describe Triangles
 8 Problem Solving • Classify Plane Shapes
 9 Investigate • Relate Shapes, Fractions, and Area

Chapter 12 TwoDimensional Shapes