7th Grade Math

R74 Index

Index

Linear functions, 374–425. See

also Functions

graphing, 385–389

slope-intercept form, 410

slope of, 391–400

y-intercept, 410

Linear inequalities. See

Inequalities

Linear relationships

comparing, 400

using a graph, 393

using a table, 392

Line graphs, 518, 541

double, 541

using to predict relationships,

535

Line plot, 541

Lines. See also Functions; Linear

equations; Linear functions; Line

graphs; Line plot; Slope

of best fit, 534–539

Liter (L), 631

Long division, 222

Lower quartile, 498

Mm

Manipulatives. See Algebra tiles;

Models

Mass, 631–632, 645

Math in the Media, 48, 79, 131,

164, 247, 270, 279, 349, 409, 438,

470, 495, 518, 529, 573, 624

Mean, 172, 491–493, 497, 527

Measurement, 9, 34, 55, 58, 59,

68, 126, 137, 142, 146, 148, 149,

150, 154, 155, 157, 163, 164, 165,

170, 172, 180, 182, 183, 188, 189,

193, 194, 225, 227, 274, 279, 309,

310, 335, 340, 343, 348, 381, 388,

398, 409, 573, 586, 610, 622, 629,

649, 651. See also Customary units;

Metric units, converting

accuracy, 527, 568, 634

converting, 624–648

rates, 639–642

units of area, 643–648

units of volume, 643–648

using graphs, 390

customary units of, 626–630

indirect, 295

metric units of, 631–638

Measures of central tendency,

490–497, 527

choosing an appropriate

measure, 493

effect of extreme values, 492

mean, 172, 491–493, 497, 527

median, 491–493, 497, 527

mode, 491–493, 497, 527

Measures of variation, 498–509

interquartile range, 498–500

quartiles, 498–500

range, 378, 498–500, 527

Media. See Math in the Media

Median, 491–493, 497, 527

Mental math, 39, 40, 128, 161, 352

Meter (m), 631

Metric system, 631. See also

Metric units, converting

Metric units, converting

in metric system, 631–634

between systems, 635–638

Mid-Chapter Check, 51, 99, 157,

227, 292, 344, 401, 448, 512, 579,

649

Missing measures

of similar figures, 295

using perimeter, 17

Mixed numbers

adding, 152–156

multiplying, 161

subtracting, 152–156

rename for, 153–154

Mixed Problem-Solving, 43, 101,

167, 203, 283, 343, 403, 465, 533,

603, 651

Mode, 491–493, 497, 527

Models. See also Algebra tiles; Bar

diagrams

area, 158–159

centimeter cubes, 44, 404, 557,

592, 604

fraction tiles, 144–145, 146–147

scale, 652

Monomials, 176–189

dividing, 176–180

multiplying, 176–180

negative exponents, 181–184

scientific notation, 185–189

More About

compound events, 455

cylinders, 568

estimating roots, 61

graphing linear equations, 410

histograms, 524

measures of variation, 503

metric units, 634

outcomes, 447

probability, 434

rates of change, 395

sample spaces, 439

scientific notation, 189

select an appropriate display, 545

sequences, 49

similar figures, 298

stem-and-leaf plots, 531

Multiple Representations, 47,

107, 172, 188, 212, 289, 357, 409,

461, 538, 567, 629

Multiplication

Associative Property of, 39, 90,

177

Commutative Property of, 39,

90, 177

of decimals

by decimals, 8

by a whole number, 7

of fractions, 158–159, 160–165,

325, 572

Identity Property of, 39, 90

of integers, 102–103, 104–108, 111

of mixed numbers, 161

of monomials, 176–180

by one, 627

of powers, 176–177

solving inequalities, 249–253

Multiplication equations,

214–226

with bar diagrams, 214

one-step, 215–219

Multiplication Property of

Equality, 217

Multiplication Property of

Inequality

negative number, 250

positive number, 249–250

Multiplicative inverse, 221–222

Multiplicative Property of Zero,

105

Multi-step equations, 228–239

Multi-step inequalities, 251

Mutually exclusive events, 455.

See also Disjoint events

Nn

Negative exponents, 181–184, 186

Negative integers, 77–78

Nets, 580–581

of cones, 598–599

of square pyramid, 594

of three-dimensional figures,

580–581

R68_R80_EM_Index_895242.indd R74 2/1/10 1:55 PM