7th Grade Math

Index R79

Index

place value, 135

power notes, 623

ratios greater than 1, 14

reading math, 249, 250

reasonable answers, 445

replacement, 452

sales tax and discount, 356

scale, 285

scatter plots, 535

side-side-side rule, 294

simplifying, 161

solutions, 209

surface area, 583

tree diagrams, 438

trials, 459

unit rates, 640

Venn diagrams, 20

volume, 607

Subtraction

of fractions

like, 139–143

unlike, 144–145, 146–151

of integers, 93–94, 95–98, 111,

140

of mixed numbers, 152–156

Property of Equality, 208

Property of Inequality, 244

solving inequalities, 244–248

Subtraction equations, 204–213

with bar diagrams, 204–205

one-step, 208–213

Subtrahend, 154

Surface area, 580–599

of a composite figure, 604–605,

606–610

of a cylinder, 588–591

lateral, 594

of a prism, 582–587

of a pyramid, 594–597

of a rectangular prism, 582

of similar solids, 654–655

Survey, 468–469

Symbols

about equal to, 5, 575

fraction bar, 34

radical sign, 54

similar figures, 294

Systematic random sample, 472

Tt

Tables. See also Data analysis

analyzing, 43, 97, 99, 149, 344,

633

function, 378–379

linear relationships in, 392

Technology, 187, 422. See also

Extend Lessons; Get Connected;

Graphing Technology;

Spreadsheet Labs

Temperature, 233, 274, 277, 398,

422, 508

Terminating decimals, 128–132

Terms of a sequence, 44

Test Practice, 28, 32, 37, 41, 49, 56,

61, 70–71, 80, 85, 92, 98, 108, 113,

122–123, 132, 138, 143, 151, 156,

165, 173, 180, 184, 189, 196–197,

213, 219, 226, 234, 239, 248, 253,

260–261, 271, 275, 280, 290, 298,

302, 312–313, 324, 330, 336, 341,

350, 354, 358, 362, 372–373, 384,

389, 395, 399, 410, 415, 424–425,

434, 439, 443, 447, 455, 462, 471,

476, 484–485, 496, 503, 509, 519,

524, 531, 539, 545, 552–553, 563,

568, 574, 578, 587, 591, 597, 610,

618–619, 630, 634, 638, 642, 648,

659, 668–669. See also Practice

Chapter Test; Standardized Test

Practice

Theoretical probability, 458–462

Three-dimensional figures

nets of, 580–581

prism, 557

Tips, 351–354

Total cost, 351

Trapezoid

area of, 609

Tree diagram, 435–436

Trials, 459

Triangular numbers, 6

Triangular prism

surface area of, 584

volume of, 560

Two-step equations, 228–229,

230–234. See also Equations

with bar diagrams, 228–229

Uu

Unbiased sample, 472–476

Unfair game, 466–467

Unit rates, 265, 266–271, 639–640

with bar diagrams, 268

compare using, 267

finding, 266–267

using, 268

Unit ratio, 627, 644

Units

consistent, 583

customary, 626–630, 635–638

derived, 639–640

Units of measure

comparing, 624–625

determining appropriate,

624–625

Unlike fractions

adding, 144–145, 146–151

subtracting, 144–145, 146–151

Upper quartile, 498

Vv

Values

absolute, 76, 77–80

changes in, 490

extreme, 492

place, 128, 130, 135

Variable, 33–35

defining, 35

dependent, 383

on each side of an equation,

235, 236–239

independent, 383

Variation, 402–415. See also

Measures of variation

constant of, 405–407

direct, 405–410

inverse, 411, 412–415

nonproportional relationships,

272–275, 404

proportional relationships,

272–275, 404

Venn diagrams, 19–21

analyzing, 20

Verbal phrases, 35

Vertical line test, 383

Vocabulary. See Review

Vocabulary; Vocabulary Check;

Vocabulary Link

Vocabulary Check, 64, 116, 190,

254, 306, 366, 418, 477, 546, 611,

662

Vocabulary Link

annex, 8

base, 584

bias, 473

evaluate, 26

formula, 217

function, 386

independent, 451

irrational, 58

opposite, 89

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