Table of Contents

Introduction Vii

Chapter 1 "Place Value 1

Read and Write Numbers to 1,000 2

Use Expanded Form to 999 3

Compare and Order Numbers to 1,000 6

Place Numbers on a Number Line 8

Identify Odd and Even Numbers 10

Skip Count by 25s, 50s, and 100s to 1,000 11

Combinations to Form 3-Digit Numbers 15

Place Value Puzzles 16

Problem Solving 17

Chapter 2 Addition 19

Commutative Property 19

Identity Property 21

Associative Property 21

Patterns in Addition 25

Odd and Even Sums 27

More Than One Way to Add 30

Adding 3-Digit Numbers 31

Estimating Sums 33

Adding Coins and Bills Using $0.00 to Indicate Sums 36

Problem Solving 38

Extended-Response Questions 41

Chapter 3 Subtraction 43

Fact Families 44

Patterns in Subtraction 45

Regrouping in Subtraction 48

Regrouping Across Zeroes 50

Estimating Differences 53

Odd or Even Differences 54

Subtracting 3-Digit Numbers 55

Problem Solving 58

Extended-Response Questions 59

Chapter 4 Telling Time 61

Telling Time to the Hour 62

Telling Time to the Half-Hour 62

Telling Time to the Minute 64

Using 1/2 and 1/4 to Tell Time 66

Problem Solving 69

Extended-Response Questions 70

Chapter 5 Data And Graphis 71

Pictographs 72

Bar Graphs 73

Scale 75

Reading and Interpreting Graphs 75

Problem Solving 76

Chapter 6 Multiplication And Division 79

Multiplication Is Also Repeated Addition 79

Multiplication as an Array 80

Two Different Problems with the Same Product 81

Commutative Property 83

Identity Property 84

Zero Property 85

Practicing Basic Multiplication Facts 87

Division Is Also Repeated Subtraction 88

Division-Multiplication Fact Families 90

Problem Solving 91

Extended-Response Questions 91

Chapter 7 Measurement 93

Linear Measurement- Customary 93

Whole Inches and Half-Inches 93

Feet 95

Yards 96

Weight 97

Capacity 98

Estimating Measurements 101

Problem Solving 101

Extended-Response Questions 102

Chapter 8 Geometry 103

Three-Dimensional or Solid Figures 104

Polygons 110

Congruent and Similar Figures 116

Line of Symmetry 120

Problem Solving 126'

Extended-Response Questions 127

Chapter 9 Fractions 131

Equal Parts of a Whole 132

Equal Parts of a Group 133

Unit Fractions 137

Fractions on a Number Line 139

Equivalent Fractions 139

Problem Solving 142

Chapter 10 Problem Solving 145

Numeric and Geometric Patterns 145

Make a Table 146

Find a Pattern 147

Working Backward 148

Using Logical Reasoning 149

Guess and Check 150

Act It Out 151

Solve a Simpler Problem 152

Draw a Picture 153

Chapter 11 Answers To Practice Problems 155

Chapter 12 Samples Test 1 175

Answers 199

Chapter 13 sample Test 2 203

Answers 225

ndex 231