7th Grade Math

R76 Index

Index

in veterinary medicine, 240–241

in video game design, 364–365

Problem-Solving Investigations.

See also Problem-solving; Problem-

Solving Projects

Act It Out, 464–465

Determine Reasonable

Answers, 342–343

Draw a Diagram, 166–167,

282–283

Look for a Pattern, 42–43,

100–101

Make a Model, 650–651

Solve a Simpler Problem,

602–603

Use a Graph, 402–403, 532–533

Work Backward, 202–203

Problem-Solving Projects,

670–681. See also Problem-solving;

Problem-Solving Investigations

Product

cross, 276, 460

of powers, 176–177, 182

Products. See Multiplication

Properties, 38–41

Additive Inverse, 89

Associative

of Addition, 39, 90

of Multiplication, 39, 90, 177

Commutative

of Addition, 39, 90

of Multiplication, 39, 90, 177

Distributive, 38–39

of Equality, 237

Addition, 210

Division, 215

Multiplication, 217

Subtraction, 208

Identity

of Addition, 39, 90

of Multiplication, 39, 90

of Inequality

Addition, 244

Division, 249–250

Multiplication, 249–250

Subtraction, 244

Multiplicative of Zero, 105

Proportional reasoning, 293–303

Proportional relationships,

272–275, 404

Proportions, 265–283, 331–343

nonproportional relationships,

272–275, 404

percent, 332–336

percent equation, 356

proportional relationships,

272–275, 404

rates, 266–271

solving, 276–280, 460

unit rates, 265, 266–271,

639–640

wildlife sampling, 281

writing, 277–278

Pyramids

base of, 571

height of, 572

lateral faces of, 571, 594

lateral surface area of, 594

nets of, 594

square, 594

surface area of, 594–597

volume of, 569–570, 571–574

Qq

Quadrants, 81–83

Quadratic functions. See

Functions

Quadrilaterals

rectangle, 303, 645

trapezoid, 609

Quantitative reasoning. See

Number Sense

Quartiles, 498–500

lower, 498

upper, 498

Quick Check, 24, 74, 126, 200,

264, 316, 376, 428, 488, 556, 622

Quick Review

area of a circle, 564

Associative Properties, 90

bar graphs, 518

Commutative Properties, 90

coordinate plane, 47

dividing by whole numbers,

267

division, 10, 222

drawing a graph, 387

exponents, 105

greatest common factor, 161

Identity Properties, 90

least common denominator,

134

line graphs, 518

mean, 172

multiply decimals, 321

multiply fractions, 325, 572

percents, 521

perimeter of a square, 595

properties, 177

reciprocal, 169, 628

rounding, 11

solving proportions, 460

squaring fractions, 300

subtracting integers, 140

subtrahend, 154

Quotient, 10. See also Division

of powers, 178, 182

Rr

Radical sign, 54

Radius, 565

Random outcome, 429–431

Range, 378, 498–500, 527

interquartile, 498–500

Rates, 266–271, 377–390

of change, 391, 392–395

constant, 392–395

converting, 639–642

unit, 265, 266–271, 639–640

Rational coefficients, 220,

221–226

Rational numbers, 124–197. See

also Fractions; Percents

comparing and ordering,

133–138

decimals, 128–132

graphing on the number line,

127, 133

Ratios, 13–15. See also Odds in

favor; Probability; Rates; Scale

constant, 405

equivalent, 14, 276

greater than 1, 14

simplest form of, 13–14

unit, 627, 644

Read Math

about equal to, 5, 575

absolute value, 78

geometry symbols, 294

identify key information, 201

ordered pair, 393

scale, 82

scatter plots, 536

similarity, 295

Real-World Examples

animals, 334, 379

aquariums, 83

baseball, 13

basketball, 503

baskets, 607

biking, 266

blood, 277

carousels, 589

cell phones, 327, 339

computers, 178

construction, 300, 645

distance, 217

R68_R80_EM_Index_895242.indd R76 2/1/10 1:55 PM