Metric units (continued)
of mass
defined, 462, 489
prefixes for, 461
of time, 450, 486
Midpoint, 713, 812
Minuend
decimals and, 333
defined, 29
Mixed number
adding
carrying and, 275, 307
as improper fractions, 271,
306
parts of, 272
simplifying fractional
answers of, 275
in vertical form, 307
in vertical from, 273
converting from improper
fraction, 260, 304
defined, 257, 304
dividing, 261, 305
graphing on a number line, 260,
304
improper fraction and, 304
multiplying, 261, 305
as shaded region, 257, 304
subtracting
borrowing and, 276, 307
as improper fractions, 306
in vertical form, 275, 307
writing in decimal form, 374,
404
writing as improper fraction,
259, 304
Modal value, 615
Mode, 615, 628
Money, rounding, 324, 396
Multiplication
algebraic phrases of, 641
associative property of
formula representing, 639
for integers, 168
for whole numbers, 45, 119
commutative property of
formula representing, 639
for integers, 168
for whole numbers, 44, 119
of fractions, 211
indications for
in expressions, 106
key words and phrases, 48
key words and phrases
indicating, 119
of multiple-digit numbers, 42
rules for integers, 167, 197
symbols used for, 40, 118, 638,
696
of whole numbers that end in
zero, 41, 119
Multiplication property
of 0
formula representing, 639
for integers, 168
for whole numbers, 45,
119of 1
formula representing, 639
for fractions, 211
for integers, 168
for whole numbers, 45, 119
of equality, 662, 700Negative fraction, 209
Negative integer.SeeInteger,
negative
Negative number, 132, 133, 192
Negative sign, 132
Negative symbol, 138, 193
Net gain, 188
Net income, 135
Net loss, 188
Number
composite, 123
finding 1 percent of, 552, 582
finding 2 percent of, 552
finding 5 percent of, 554, 583
finding 10 percent of, 552, 582
finding 15 percent of, 555, 583
finding 25 percent of, 554, 583
finding 50 percent of, 554, 583
finding percent of in multiples
of 10, 553, 582
finding percent of in multiples
of 100, 556, 583
graphing, 5
mixed.SeeMixed number
multiples of, 89, 124
negative, 132, 133, 192
perfect, 89
positive, 132, 133, 192
prime, 123
prime-factored form of, 83
signed
defined, 132
reversing the sign of, 158
whole.SeeWhole number
Number line
decimals and fractions on, 378,
405
integers on, 133
negative numbers on, 133, 192
whole numbers on, 5, 113
Numerator
of 0, 210, 297
defined, 208, 296, 308
order of operations and, 102,
126, 183, 200Obtuse angle, 715, 812
Obtuse triangle, 738, 818
One
as denominator, 210, 297
form of, 210, 297
multiplication property of
formula representing, 639
for fractions, 211
for integers, 168
Opposite number
adding pairs of, 151
addition property of, 150, 195
reading symbol used for, 138,
193Opposite rule, opposite of, 137,
193
Order of operations rule
decimals and, 350, 365, 403
for evaluating expressions, 102,
126
fractions and, 284, 308
multiple operations and, 183,
200
square roots and, 389
Origin on a number line, 5
Overbar and repeating decimals,
374Parallel line, properties of, 728
Parallelogram
characteristics of as a
rectangle, 769, 824
defined, 767, 824
finding area of, 781, 826
Parentheses as grouping symbols,
115
Partial product, 44
Part-to-whole ratio, 520
Percent
applications of, 535
approximating with, 556, 583
circle graphs and, 527, 576
of decrease
defined, 542, 580
finding, 539
method for solving, 542, 580
defined, 500, 570
as equivalent fraction of whole
numbers, 502, 503, 571
finding 1, 552, 582
finding 2, 552
finding 5, 554, 583
finding 10, 553, 582
finding 15, 555, 583
finding 25, 554, 583
finding 50, 554, 583
finding multiples of 10, 553, 582
finding multiples of 100, 556,
583
greater than 100%, 504, 571
of increase
defined, 542, 580
finding, 539
method for solving, 542, 580
less than 1%, 506, 571
in percent sentences, 515
pie chart and, 527, 576
writing
as a decimal, 504, 572
as a fraction, 501, 571
mixed number as decimal,
505, 572
Percent equation
defined, 513
finding amounts with, 514, 574,
576
finding percents with, 515, 574
finding the base with, 518, 574
formula for, 515, 574
fractions vs. decimals in, 519,
574Percent problem
rewriting facts of, 526, 576
types of, 513
Percent proportion
defined, 520
finding amounts with, 522, 575,
577
finding percents with, 523, 575
finding the base with, 525, 575
formula for, 521, 575
writing, 520, 575
Percent ratio, 520
Percent sentence, 513, 574
Perfect number, 89
Perfect square
defined, 387, 406
square root of, 386
Perfect-square radicand, 387, 406
Perimeter
defined, 22, 777, 826
finding, 116
units of, 827
Period in whole numbers, 2, 113
Pictograph, reading, 597, 622
Pie chart
example of, 594
reading, 527, 576
in volume formulas, 832
Place value
chart, 316, 317
chart for, 2, 113
identifying, 316
in whole numbers, 2, 113
Plane, 712
Point, 712
Polygon
See alsospecific types
area of
finding, 780, 826
finding for irregular shapes,
784, 827
finding using algebra, 827
finding using subtraction,
785, 828
formulas for finding, 781, 826
classifying, 736, 817
defined, 736, 817
diagonal of, 768, 824
finding number of sides of, 771,
825
perimeter of
defined, 777, 826
formulas for finding, 826
regular, 736, 817
sum of the angles of, 772, 825
Positive integer, 133
Positive number, 132, 133, 192
Positive sign, 132
Power of 2, 85
Power of 10, 347
Power of a power, 691
Power of a product
defined, 692
formula representing, 693, 705
Prime factorization, 83, 123
Prime number, 82, 123
Principal, 559I-4 Index