i-xvi SB MS2 SE FM...Sep 16, 2013 · Lesson 1-1 Adding and Subtracting Decimals 3 Lesson 1-2 Multiplying and Dividing Decimals 5 Lesson 1-3 Operations with Fractions 7 Lesson 1-4

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UNIT 1 NUMBER SYSTEMS Unit 1 Overview 1 Getting Ready 2

Activity 1 Operations on Positive Rational Numbers—Paper Clips, Airplanes, and Spiders 3 Lesson 1-1 Adding and Subtracting Decimals 3 Lesson 1-2 Multiplying and Dividing Decimals 5 Lesson 1-3 Operations with Fractions 7 Lesson 1-4 Converting Rational Numbers to Decimals 11 Activity 1 Practice 13

Activity 2 Addition and Subtraction of Integers—Elevation Ups and Downs 15 Lesson 2-1 Adding Integers 15 Lesson 2-2 Subtracting Integers 19 Activity 2 Practice 22

Embedded Assessment 1 Positive Rational Numbers and Adding and Subtracting Integers—Off to the Races 23

Activity 3 Multiplication and Division of Integers—What’s the Sign? 25 Lesson 3-1 Multiplying Integers 25 Lesson 3-2 Dividing Integers 29 Activity 3 Practice 31

Activity 4 Operations on Rational Numbers—Let’s Be Rational! 33 Lesson 4-1 Sets of Rational Numbers 33 Lesson 4-2 Adding Rational Numbers 36 Lesson 4-3 Subtracting Rational Numbers 39 Lesson 4-4 Multiplying and Dividing Rational Numbers 41 Activity 4 Practice 45

Embedded Assessment 2 Rational Number Operations and Multiplying and Dividing Integers—Top to Bottom 47

UNIT 2 EXPRESSIONS AND EQUATIONS Unit 2 Overview 49 Getting Ready 50

Activity 5 Properties of Operations—What’s In a Name? 51 Lesson 5-1 Applying Properties of Operations 51 Lesson 5-2 Applying Properties to Factor and Expand 54 Activity 5 Practice 58

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Activity 6 Writing and Solving Equations—Melody’s Music Solution 59 Lesson 6-1 Modeling and Writing Two-Step Equations 59 Lesson 6-2 Solving Two-Step Equations 61 Activity 6 Practice 64

Embedded Assessment 1 Writing and Solving Equations—Fundraising Fun 65

Activity 7 Solving and Graphing Inequalities—It Plays to Save 67 Lesson 7-1 Modeling and Writing Two-Step Inequalities 67 Lesson 7-2 Solving Two-Step Inequalities 70 Activity 7 Practice 74

Embedded Assessment 2 Solving Inequalities—A Gold Medal Appetite 75

UNIT 3 RATIO AND PROPORTION Unit 3 Overview 77 Getting Ready 78

Activity 8 Ratio and Unit Rates—Strange, But True 79 Lesson 8-1 Ratio and Unit Rates 79 Lesson 8-2 Identifying and Solving Proportions 82 Lesson 8-3 Converting Measurements 85 Activity 8 Practice 87

Activity 9 Proportional Reasoning—Scrutinizing Coins 89 Lesson 9-1 Equations Representing Proportional Relationships 89 Lesson 9-2 Constants of Proportionality 94 Activity 9 Practice 97

Embedded Assessment 1 Ratios, Proportions, and Proportional Reasoning— Weighing in on Diamonds 99

Activity 10 Proportional Relationships and Scale—Patriotic Proportions 101 Lesson 10-1 Using Scale Drawings 101 Lesson 10-2 Using Maps 105 Lesson 10-3 Make Scale Drawings 108 Activity 10 Practice 111

Embedded Assessment 2 Proportional Relationships and Scale—Soccer Sense 113

Activity 11 Percent Problems—Well, There Is More Than One Way 115 Lesson 11-1 Basic Percent Problems 115 Lesson 11-2 Sales Tax, Tips, and Commissions 119 Activity 11 Practice 121

Activity 12 More Percent Problems—Like Animals? Have I Got a Job for You! 123 Lesson 12-1 Percent Increase and Decrease 123 Lesson 12-2 Markups and Discounts 125 Lesson 12-3 Interest 127 Lesson 12-4 Percent Error 129 Activity 12 Practice 131

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Embedded Assessment 3 Percents and Proportions—Socializing and Selling 133

UNIT 4 GEOMETRY Unit 4 Overview 135 Getting Ready 136

Activity 13 Angle Pairs—Some of the Angles 137 Lesson 13-1 Complementary, Supplementary, and Adjacent Angles 137 Lesson 13-2 Vertical Angles and Angle Relationships in a Triangle 142 Activity 13 Practice 145

Activity 14 Triangle Measurements—Rigid Bridges 147 Lesson 14-1 Draw Triangles from Side Lengths 147 Lesson 14-2 Draw Triangles from Measures of Angles or Sides 151 Activity 14 Practice 155

Embedded Assessment 1 Angles and Triangles—Pool Angles 156

Activity 15 Similar Figures—The Same but Different 159 Lesson 15-1 Identify Similar Figures and Find Missing Lengths 159 Lesson 15-2 Indirect Measurement 164 Activity 15 Practice 167

Activity 16 Circles: Circumference and Area—Gardens Galore 169 Lesson 16-1 Circumference of a Circle 169 Lesson 16-2 Area of a Circle 173 Activity 16 Practice 177

Activity 17 Composite Area—Tile Designs 179 Lesson 17-1 Area of Composite Figures 179 Lesson 17-2 More Area of Composite Figures 183 Activity 17 Practice 186

Embedded Assessment 2 Circumference and Area—In the Paint 188

Activity 18 Sketching Solids—Putt-Putt Perspective 191 Lesson 18-1 Shapes that Result from Slicing Solids 191 Lesson 18-2 Lateral and Total Surface Area of Prisms 199 Lesson 18-3 Lateral and Total Surface Area of Pyramids 205 Activity 18 Practice 211

Activity 19 Volume—Prisms and Pyramids—Berneen Wick’s Candles 213 Lesson 19-1 Find the Volume of Prisms 213 Lesson 19-2 Find the Volume of Pyramids 217 Activity 19 Practice 221

Embedded Assessment 3 Surface Area and Volume—Under the Sea 223

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UNIT 5 PROBABILITY Unit 5 Overview 225 Getting Ready 226

Activity 20 Exploring Probability—Spinner Games 227 Lesson 20-1 Making Predictions 227 Lesson 20-2 Investigating Chance Processes 231 Lesson 20-3 Estimating Probabilities 239 Lesson 20-4 Making Decisions 243 Activity 20 Practice 249

Activity 21 Probability—Probability Two Ways 251 Lesson 21-1 Equally Likely Outcomes 251 Lesson 21-2 Theoretical Probability 259 Lesson 21-3 Comparing Probabilities 265 Activity 21 Practice 268

Embedded Assessment 1 Finding Probabilities—Spinning Spinners and Random Picks 272

Activity 22 Games and Probability—Rock, Paper, Scissors…and Other Games 275 Lesson 22-1 Rock, Paper, Scissors 275 Lesson 22-2 More Rock, Paper, Scissors 279 Lesson 22-3 Boxes and Drawers 285 Lesson 22-4 More Boxes and Drawers 291 Activity 22 Practice 295

Activity 23 Probability—Estimating Probabilities Using Simulation 297 Lesson 23-1 What is Simulation? 297 Lesson 23-2 Using Random Numbers to Simulate Events 302 Lesson 23-3 Simulating a Compound Event 306 Lesson 23-4 Finding Probabilities Using Simulation 310 Activity 23 Practice 316

Embedded Assessment 2 Probability and Simulation—Flipping Coins and Random Choices 320

UNIT 6 STATISTICS Unit 6 Overview 323 Getting Ready 324

Activity 24 Statistics—Summer Reading Club 325 Lesson 24-1 Population and Census 325 Lesson 24-2 Sampling from a Population 328 Activity 24 Practice 336

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Activity 25 Exploring Sampling Variability—Sample Speak 341 Lesson 25-1 Sample Statistic and Sampling Variability 341 Lesson 25-2 Predictions and Conclusions 346 Activity 25 Practice 353

Embedded Assessment 1 Random Sampling and Sampling Variability— School Populations 357

Activity 26 Comparative Statistics—Seventh-Grade Students 361 Lesson 26-1 Two Sample Means 361 Lesson 26-2 Difference in Terms of MAD 371 Lesson 26-3 Calculating MAD for a Sample 380 Activity 26 Practice 387

Embedded Assessment 2 Comparing Populations—One Mean Arm Span 391

UNIT 7 PERSONAL FINANCIAL LITERACY Unit 7 Overview 393 Getting Ready 394

Activity 27 Budgeting and Money Management—How Much Is Too Much? 395 Lesson 27-1 Understanding Earnings and Budgets 395 Lesson 27-2 Financial Planning 400 Activity 27 Practice 404

RESOURCES 405 Formulas 406 Learning Strategies 410 Glossary 413 Academic Vocabulary Graphic Organizers 423

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i-xvi SB MS2 SE FM...Sep 16, 2013 · Lesson 1-1 Adding and Subtracting Decimals 3 Lesson 1-2 Multiplying and Dividing Decimals 5 Lesson 1-3 Operations with Fractions 7 Lesson 1-4