Table of Contents

Start Smart
 1 Problem Solving: Quite Deep and Quite Tall
 2 Number and Operations: An Exciting Two Minutes!
 3 Algebra: At the Aquarium
 4 Measurement: Measure Away
 5 Geometry: Food and Geometry
 6 Data Analysis: How Fast Can You Go?

Chapter 1 Use Place Value to Communicate
 11 Algebra: Number Patterns
 12 ProblemSolving Skill: The FourStep Plan
 13 Place Value through 1,000
 14 Place Value through 10,000
 15 ProblemSolving Investigation: The FourStep Plan
 16 Compare Numbers
 17 Order Numbers
 18 Round to the Nearest Ten and Hundred
 19 Round to the Nearest Thousand
 110 Value of Coins and Bills
 Assessment

Chapter 2 Add to Solve Problems
 21 Algebra: Addition Properties
 22 ProblemSolving Skill: Estimate or Exact Answer
 23 Estimate Sums
 24 TwoDigit Addition
 25 Add Money
 26 ProblemSolving Investigation: The FourStep Plan
 27 ThreeDigit Addition
 28 Add Greater Numbers
 Assessment

Chapter 3 Subtract to Solve Problems
 31 TwoDigit Subtraction
 32 Estimate Differences
 33 Subtract Money
 34 ProblemSolving Skill: Reasonable Answers
 35 Subtract ThreeDigit Numbers with Regrouping
 36 ProblemSolving Investigation: Choose a Strategy
 37 Subtract Greater Numbers
 38 Subtract across Zeros
 39 Select Addition or Subtraction
 Assessment

Chapter 4 Develop Multiplication Concepts and Facts
 41 Arrays and Multiplication
 42 Multiply by 2
 43 Multiply by 4
 44 ProblemSolving Skill: Extra or Missing Information
 45 Multiply by 5
 46 Multiply by 10
 47 ProblemSolving Investigation: Choose a Strategy
 48 Multiply by 0 and 1
 Assessment

Chapter 5 Develop More Multiplication Facts
 51 Multiply by 3
 52 Multiply by 6
 53 ProblemSolving Strategy: Look for a Pattern
 54 Multiply by 7
 55 Multiply by 8
 56 Multiply by 9
 57 ProblemSolving Investigation: Choose a Strategy
 58 Multiply by 11 and 12
 59 Algebra: Associative Property
 Assessment

Chapter 6 Develop Division Concepts and Facts
 61 Relate Division and Subtraction
 62 Relate Division to Multiplication
 63 ProblemSolving Skill: Choose an Operation
 64 Divide by 2
 65 Divide by 5
 66 ProblemSolving Investigation: Choose a Strategy
 67 Divide by 10
 68 Divide with 0 and 1
 Assessment

Chapter 7 Develop More Division Facts
 71 Divide by 3
 72 Divide by 4
 73 ProblemSolving Strategy: Make a Table
 74 Divide by 6 and 7
 75 Divide by 8 and 9
 76 Divide by 11 and 12
 77 ProblemSolving Investigation: Choose a Strategy
 Assessment

Chapter 8 Use Patterns and Algebraic Thinking
 81 Model and Write Number Sentences
 82 Expressions and Number Sentences
 83 ProblemSolving Strategy: Act It Out
 84 Make a Table to Find a Rule
 85 Make Function Tables (+, −)
 86 Problem Solving Investigation: Choose a Strategy
 87 Make Function Tables (×, ÷)
 Assessment

Chapter 9 Measure Length, Area, and Temperature
 91 Length to the Nearest Half Inch
 92 Customary Units of Length
 93 ProblemSolving Strategy: Work Backward
 94 Metric Units of Length
 95 Measure Perimeters
 96 Measure Areas
 97 Problem Solving Investigation: Choose a Strategy
 98 Measure Temperatures
 Assessment

Chapter 10 Measure Capacity, Weight, Volume, and Time
 101 Customary Units of Capacity
 102 ProblemSolving Strategy: Guess and Check
 103 Metric Units of Capacity
 104 ProblemSolving Investigation: Choose a Strategy
 105 Customary Units of Weight
 106 Metric Units of Mass
 107 Estimate and Measure Volumes
 108 Tell Time
 Assessment

Chapter 11 Identify Geometric Figures and Spatial Reasoning
 111 ThreeDimensional Figures
 112 TwoDimensional Figures
 113 ProblemSolving Strategy: Solve a Simpler Problem
 114 Identify and Extend Geometric Patterns
 115 Identify Congruent Figures
 116 ProblemSolving Investigation: Choose a Strategy
 117 Symmetry
 118 Whole Numbers on a Number Line
 119 Ordered Pairs
 Assessment

Chapter 12 Organize, Display, and Interpret Data
 121 Pictographs
 122 Interpret Pictographs
 123 ProblemSolving Strategy: Make a List
 124 Bar Graphs
 125 Interpret Bar Graphs
 126 Line Plots
 127 Identify Probability
 128 ProblemSolving Investigation: Choose a Strategy
 Assessment

Chapter 13 Develop Fractions
 131 Parts of a Whole
 132 Parts of a Set
 133 ProblemSolving Investigation: Choose a Strategy
 134 Model Equivalent Fractions
 135 ProblemSolving Strategy: Draw a Picture
 136 Compare and Order Fractions
 137 Locate Fractions on a Number Line
 Assessment

Chapter 14 Understand Fractions and Decimals
 141 Tenths
 142 Hundredths
 143 ProblemSolving Strategy: Work Backward
 144 Decimals and Money
 145 ProblemSolving Investigation: Choose a Strategy
 Assessment

Chapter 15 Multiply by OneDigit Numbers
 151 Multiply Multiples of 10, 100, and 1,000
 152 ProblemSolving Strategy: Logical Reasoning
 153 Estimate Products
 154 Multiply by a OneDigit Number
 155 ProblemSolving Investigation: Choose a Strategy
 156 Multiply TwoDigit Numbers
 157 Multiply Greater Numbers
 Assessment