7th Grade Math

Index R75

Index

Nonlinear functions, 395. See also

Functions

Nonproportional relationships,

272–275, 404

Notation

absolute value, 78

bar, 129

function, 384

open and closed dots, 245

scientific, 185–189

Note taking. See also Foldables®

Study Organizer

power notes, 623

Number lines

graphing integers on, 78

rational numbers on, 127, 133

Numbers

exponential form, 26

finding squares of, 54

irrational, 58, 135

large, 185

percent of, 320–324

rational, 124–197

standard form of, 185

triangular, 6

Number Sense. See H.O.T.

Problems

Number theory, 203, 226, 403

Numerator, 34, 627

Numerical expressions, 29–32

Oo

Odds in favor, 439

Open Ended. See H.O.T.

Problems

Opposites, 89

Ordered pairs, 81–83, 393

graphing, 82

naming points using, 82

set of, 378

Order of operations, 29–30, 78, 231

Ordinate. See y-coordinate

Origin, 81–83

Outcomes, 429–431. See also

Probability

counting, 440–443

random, 429–431

Outliers, 499, 506, 527

Output, 379. See also Functions

Pp

Parts. See Percents

Patterns, 6, 22–71

sequences, 44–49, 50

Percent diagrams, 318–319

Percent equation, 337–341, 356

Percent proportion, 332–336

percent equation, 337–341

Percents, 314–373

with bar diagrams, 331, 345

of change, 345, 346–350

decimals as, 521

of decrease, 346–347

discount, 346–350, 355–358

estimation and, 325–330

greater than 100, 321, 326

of increase, 346–347

less than 1, 326–327

of a number, 320–324

sales tax, 351–354, 356

simple interest, 359–362, 363

tips, 351–354

types of problems involving,

332–335, 337–339

Perfect squares, 52, 53–54

Perimeter, 16–18

finding missing measures

using, 17

of similar figures, 299–302

of a square, 595

Permutations, 444–447

combinations of, 447

Pi (π), 135

Place value, 128, 130, 135

Population, 468

Positive exponents, 181, 186

Positive integers, 77–78

Powers, 25–28

of 10, 185–186

dividing, 178

multiplying, 176–177

product of, 176–177, 182

quotient of, 178, 182

as products, 25

in standard form, 26

Practice Chapter Test, 68, 120, 194,

258, 310, 370, 422, 482, 550, 616, 666

Precision, 568

Predictions, making, 50, 277,

426–485

experimental probability,

458–462

fair games, 436, 466–467

simulations, 463

theoretical probability, 458–462

unfair games, 466–467

using data, 468–471

using line graphs, 535

using samples, 474

using scatter plots, 536

Preparing for Standardized Tests,

69, 121, 195, 259, 311, 371, 423, 483,

551, 617, 667. See also Standardized

Test Practice

Prerequisite Skills

divide decimals, 10–12

multiply decimals, 7–9

perimeter, 16–18

a plan for problem solving,

4–6

ratios, 13–15

Venn diagrams, 19–21

Prime, 701

Principal, 359–360

Prisms, 557

base of, 560, 584

height of, 560

surface area of, 582–587

volume of, 558–563, 644

Probability, 426–485

complementary events, 431

dependent events, 449, 450–455

disjoint events, 450–455

experimental, 458–462

geometric, 434

independent events, 449,

450–455

outcomes, 429–431

counting, 440–443

permutations, 444–447

random outcome, 429–431

sample spaces, 435–439

simple events, 429–434

theoretical, 458–462

Problem-solving. See also

Conjectures, making; Problem-

Solving Investigations; Problem-

Solving Projects; Real-World

Examples

in animal conservation, 62–63

in astronomy, 114–115

in culinary arts, 660–661

in design engineering, 304–305

in engineering, 416–417

in environmental science,

510–511

in fashion design, 174–175

four-step plan for, 4–6

in market research, 456–457

in music, 600–601

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