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Grade 5 Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi Acknowledgments . . . . . . . . . . . . . . . . . . . . . . xiii Using the Teacher Edition . . . . . . . . . . . . . . . . . xiv Preparing a Lesson . . . . . . . . . . . . . . . . . . . . . xvi Scope and Sequence . . . . . . . . . . . . . . . . . . . xviii Chapter One Place Value of Whole Numbers and Decimals Lesson 1 2 3 4 5 6 Page Place Value to Hundred Thousands . . . . . . . . . . . 8 Place Value to Hundred Billions . . . . . . . . . . . . . 10 Comparing and Ordering Whole Numbers . . . . . 12 Rounding Whole Numbers . . . . . . . . . . . . . . . . 14 Using a Problem-Solving Guide . . . . . . . . . . . . . 16 Decimal Place Value: Tenths and Hundredths . . . 18 Lesson 7 8 9 10 11 Page Decimal Place Value: Thousandths . . . . . . . . . . 20 Comparing and Ordering Decimals . . . . . . . . . . 22 Rounding Decimals . . . . . . . . . . . . . . . . . . . . . 24 Problem Solving: Decimals . . . . . . . . . . . . . . . . 26 Chapter One Check-Up . . . . . . . . . . . . . . . . . . . 28 Chapter Two Addition and Subtraction of Whole Numbers and Decimals Lesson 12 13 14 15 16 17 18 Page Estimating Whole-Number Sums. . . . . . . . . . . . 38 Estimating Whole-Number Differences . . . . . . . . 40 Adding and Subtracting Larger Numbers . . . . . . 42 Problem Solving: Addition and Subtraction. . . . . 44 Estimating Decimal Sums . . . . . . . . . . . . . . . . . 46 Adding Tenths and Hundredths . . . . . . . . . . . . . 48 Properties of Addition. . . . . . . . . . . . . . . . . . . . 50 Lesson 19 20 21 22 23 24 25 Page Problem Solving: Decimals . . . . . . . . . . . . . . . . 52 Estimating Decimal Differences . . . . . . . . . . . . . 54 Making Equivalent Decimals . . . . . . . . . . . . . . . 56 Subtracting Tenths and Hundredths . . . . . . . . . . 58 Problem Solving: Two-Step Problems . . . . . . . . 60 Adding and Subtracting Thousandths. . . . . . . . . 62 Chapter Two Check-Up . . . . . . . . . . . . . . . . . . . 64 Chapter Three Multiplication of Whole Numbers Lesson 26 27 28 29 30 31 32 33 Page Uses and Properties of Multiplication. . . . . . . . . 74 Mental Math: Multiples of 10, 100, 1,000 . . . . . 76 Multiples and Least Common Multiple . . . . . . . . 78 Factors and Greatest Common Factor . . . . . . . . 80 Multiplying by a One-Digit Factor. . . . . . . . . . . . 82 Multiplying Larger Numbers . . . . . . . . . . . . . . . 84 Estimating Products . . . . . . . . . . . . . . . . . . . . . 86 Multiplying by a Two-Digit Factor. . . . . . . . . . . . 88 Lesson 34 35 36 37 38 39 40 Page Problem Solving with Two-Digit Factors . . . . . . 90 Multiplying by a Three-Digit Factor . . . . . . . . . . 92 More Practice with Three-Digit Factors . . . . . . . 94 Calculators for Multistep Problems . . . . . . . . . . 96 Exploring Exponents . . . . . . . . . . . . . . . . . . . . . 98 Lattice Multiplication . . . . . . . . . . . . . . . . . . . 100 Chapter Three Check-Up. . . . . . . . . . . . . . . . . 102 Chapter Four Division of Whole Numbers Lesson 41 42 43 44 45 46 47 48 49 50 Page Exploring Divisibility . . . . . . . . . . . . . . . . . . . . 112 Rules of Division . . . . . . . . . . . . . . . . . . . . . . 114 Quotients and Remainders . . . . . . . . . . . . . . . 116 Estimating Quotients. . . . . . . . . . . . . . . . . . . . 118 Dividing Two- and Three-Digit Numbers . . . . . . 120 Finding Averages . . . . . . . . . . . . . . . . . . . . . . 122 Dividing with Zero in the Quotient . . . . . . . . . . 124 Dividing Larger Numbers . . . . . . . . . . . . . . . . 126 Problem Solving with One-Digit Divisors . . . . . 128 Division Patterns . . . . . . . . . . . . . . . . . . . . . . 130 © Copyright 2001 Lesson 51 52 53 54 55 56 57 58 59 60 Page Estimating Quotients with 2-Digit Divisors . . . . 132 One-Digit Quotients . . . . . . . . . . . . . . . . . . . . 134 Two-Digit Quotients . . . . . . . . . . . . . . . . . . . . 136 Adjusting the Estimated Quotient . . . . . . . . . . . 138 More One- and Two-Digit Quotients . . . . . . . . . 140 Three-Digit Quotients . . . . . . . . . . . . . . . . . . . 142 Zeros in the Quotient . . . . . . . . . . . . . . . . . . . 144 Review: Dividing Larger Numbers . . . . . . . . . . 146 Problem Solving: Using Statistics . . . . . . . . . . 148 Chapter Four Check-Up . . . . . . . . . . . . . . . . . 150 v Chapter Five Multiplication and Division of Decimals Lesson 61 62 63 64 65 Page Estimating Decimal Products. . . . . . . . . . . . . . 160 Multiplying a Decimal by a Whole Number . . . . 162 Multiplying Decimals . . . . . . . . . . . . . . . . . . . 164 Multiplying with Zero in the Product . . . . . . . . . 166 Problem Solving: Multiplication of Decimals . . . 168 Lesson 66 67 68 69 70 Page Dividing Decimals by Whole Numbers . . . . . . . 170 Dividing Decimals Using Zeros . . . . . . . . . . . . 172 Dividing Decimals by 10, 100, and 1,000 . . . . 174 Problem Solving: Division of Decimals . . . . . . . 176 Chapter Five Check-Up . . . . . . . . . . . . . . . . . . 178 Chapter Six Geometric Properties Lesson 71 72 73 74 75 76 77 78 Page Line Relationships . . . . . . . . . . . . . . . . . . . . . 190 Naming Rays and Angles . . . . . . . . . . . . . . . . 192 Pentominoes . . . . . . . . . . . . . . . . . . . . . . . . . 194 Using a Protractor . . . . . . . . . . . . . . . . . . . . . 196 Classifying Triangles. . . . . . . . . . . . . . . . . . . . 198 Problem Solving: Rays, Angles, and Triangles . 200 Polygons . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 Quadrilaterals. . . . . . . . . . . . . . . . . . . . . . . . . 204 Lesson 79 80 81 82 83 84 85 Page Solids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 Problem Solving: Polygons and Solids . . . . . . 208 Circles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210 Line Symmetry . . . . . . . . . . . . . . . . . . . . . . . 212 Motion in Geometry . . . . . . . . . . . . . . . . . . . . 214 Congruence and Similarity . . . . . . . . . . . . . . . 216 Chapter Six Check-Up . . . . . . . . . . . . . . . . . . 218 Chapter Seven Number Theory and Fractions Lesson 86 87 88 89 90 91 Page Reviewing the Meaning of Fractions. . . . . . . . . 228 Equivalent Fractions . . . . . . . . . . . . . . . . . . . . 230 Fractions and Decimals . . . . . . . . . . . . . . . . . 232 Prime and Composite Numbers. . . . . . . . . . . . 234 Greatest Common Factor . . . . . . . . . . . . . . . . 236 Fractions in Simplest Form . . . . . . . . . . . . . . . 238 Lesson 92 93 94 95 96 Page Least Common Multiples . . . . . . . . . . . . . . . . 240 Comparing and Ordering Fractions . . . . . . . . . 242 Improper Fractions and Mixed Numbers. . . . . . 244 Problem Solving: Fractions . . . . . . . . . . . . . . . 246 Chapter Seven Check-Up . . . . . . . . . . . . . . . . 248 Chapter Eight Addition and Subtraction of Fractions Lesson 97 98 99 100 101 102 103 Page Add and Subtract Like Fractions . . . . . . . . . . . 258 Add and Subtract Mixed Numbers . . . . . . . . . . 260 Rename Sums of Mixed Numbers . . . . . . . . . . 262 Subtract from Whole Numbers . . . . . . . . . . . . 264 Rename and Subtract Mixed Numbers . . . . . . . 266 Estimate Sums and Differences. . . . . . . . . . . . 268 Least Common Denominators . . . . . . . . . . . . . 270 Lesson 104 105 106 107 108 109 110 Page Related Denominators . . . . . . . . . . . . . . . . . . 272 Add with Unlike Denominators . . . . . . . . . . . . 274 Subtract with Unlike Denominators . . . . . . . . . 276 Add Mixed Numbers. . . . . . . . . . . . . . . . . . . . 278 Subtract Mixed Numbers . . . . . . . . . . . . . . . . 280 Problem Solving: Using a Map . . . . . . . . . . . . 282 Chapter Eight Check-Up . . . . . . . . . . . . . . . . . 284 Chapter Nine Multiplication and Division of Fractions Lesson 111 112 113 114 115 vi Page Multiply Fractions Using Models . . . . . . . . . . . 294 Multiply Fractions. . . . . . . . . . . . . . . . . . . . . . 296 Multiply Fractions and Whole Numbers . . . . . . 298 Multiply Mixed Numbers . . . . . . . . . . . . . . . . . 300 Problem Solving: Multiply Fractions . . . . . . . . . 302 Lesson 116 117 118 119 120 Page Estimate Products . . . . . . . . . . . . . . . . . . . . . 304 Divide Fractions Using Models . . . . . . . . . . . . 306 Divide by Fractions. . . . . . . . . . . . . . . . . . . . . 308 Problem Solving: Find a Pattern. . . . . . . . . . . . 310 Chapter Nine Check-Up . . . . . . . . . . . . . . . . . 312 Mathematics Grade 5 Chapter Ten Ratios, Proportion, and Percent Lesson 121 122 123 124 125 126 127 Page Exploring Ratios . . . . . . . . . . . . . . . . . . . . . . . 322 Finding Equal Ratios. . . . . . . . . . . . . . . . . . . . 324 Exploring Proportions . . . . . . . . . . . . . . . . . . . 326 Solving Proportions . . . . . . . . . . . . . . . . . . . . 328 Problem Solving: Scale Drawings . . . . . . . . . . 330 Exploring Percent . . . . . . . . . . . . . . . . . . . . . . 332 Ratio and Percent. . . . . . . . . . . . . . . . . . . . . . 334 Lesson 128 129 130 131 132 133 Page Fractions and Percent . . . . . . . . . . . . . . . . . . . 336 Decimals and Percent. . . . . . . . . . . . . . . . . . . 338 Using Mental Math to Estimate Percent . . . . . . 340 Finding Percent . . . . . . . . . . . . . . . . . . . . . . . 342 Problem Solving: Percent . . . . . . . . . . . . . . . . 344 Chapter Ten Check-Up . . . . . . . . . . . . . . . . . . 346 Chapter Eleven Measurement Lesson 134 135 136 137 138 Page Customary Units of Length . . . . . . . . . . . . . . . 356 Customary Units of Capacity. . . . . . . . . . . . . . 358 Customary Units of Weight . . . . . . . . . . . . . . . 360 Computing with Time . . . . . . . . . . . . . . . . . . . 362 Fahrenheit and Celsius Temperatures . . . . . . . . 364 Lesson 139 140 141 142 143 Page Metric Units of Length . . . . . . . . . . . . . . . . . . 366 Metric Units of Capacity . . . . . . . . . . . . . . . . . 368 Metric Units of Mass . . . . . . . . . . . . . . . . . . . 370 Problem Solving: Using a Time-Zone Map . . . . 372 Chapter Eleven Check-Up . . . . . . . . . . . . . . . . 374 Chapter Twelve Area, Perimeter, and Volume Lesson 144 145 146 147 148 149 Page Area of Rectangles . . . . . . . . . . . . . . . . . . . . . 384 Perimeter. . . . . . . . . . . . . . . . . . . . . . . . . . . . 386 Circumference . . . . . . . . . . . . . . . . . . . . . . . . 388 Coordinate Geometry . . . . . . . . . . . . . . . . . . . 390 Area of Right Triangles . . . . . . . . . . . . . . . . . . 392 Area of Triangles . . . . . . . . . . . . . . . . . . . . . . 394 Lesson 150 151 152 153 154 155 Page Area of Irregular Figures . . . . . . . . . . . . . . . . . 396 Surface Area . . . . . . . . . . . . . . . . . . . . . . . . . 398 Understanding Volume . . . . . . . . . . . . . . . . . . 400 Finding Volume . . . . . . . . . . . . . . . . . . . . . . . 402 Problem Solving: Using a Formula . . . . . . . . . . 404 Chapter Twelve Check-Up . . . . . . . . . . . . . . . . 406 Chapter Thirteen Statistics, Graphing, and Probability Lesson 156 157 158 159 160 161 162 Page Collecting and Organizing Data . . . . . . . . . . . . 414 Reading and Making Bar Graphs . . . . . . . . . . . 416 Reading and Making Histograms . . . . . . . . . . . 418 Reading and Making Pictographs . . . . . . . . . . 420 Reading and Making Line Graphs . . . . . . . . . . 422 Circle Graphs. . . . . . . . . . . . . . . . . . . . . . . . . 424 Problem Solving: Interpreting Graphs . . . . . . . . 426 Lesson 163 164 165 166 167 168 Page Statistics and Line Plots . . . . . . . . . . . . . . . . 428 Range, Mean, Median, and Mode . . . . . . . . . . 430 Review of Statistics and Graphing . . . . . . . . . . 432 Probability of Outcomes . . . . . . . . . . . . . . . . . 434 More About Probability . . . . . . . . . . . . . . . . . . 436 Chapter Thirteen Check-Up . . . . . . . . . . . . . . . 438 Chapter Fourteen Rational Numbers and Review Review Lesson 169 170 171 172 Page Integers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 448 Comparing and Ordering Integers . . . . . . . . . . 450 Application of Integers . . . . . . . . . . . . . . . . . . 452 Cumulative Review: Chapters 1 and 2 . . . . . . . 454 Teacher Resources Lesson 173 174 175 176 Page Cumulative Review: Chapters 3 and 4 . . . . . . . 456 Cumulative Review: Chapters 5 and 6 . . . . . . . 458 Cumulative Review: Chapters 7–9 . . . . . . . . . . 460 Cumulative Review: Chapters 10–12 . . . . . . . . 462 Additional Resources Page Page Table of Measures . . . . . . . . . . . . . . . Student Pages 380 Glossary . . . . . . . . . . . . . . . . . . . . . . Student Pages 381 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 464 Parent Letters. . . . . . . . . . . . . . . . . . . . . . . . . . Volume II Blackline Masters . . . . . . . . . . . . . . . . . . . . . . . Volume II Color Transparencies . . . . . . . . . . . . . . . . . . . . Volume II © Copyright 2001 vii