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M AT H E X P L O R AT I O N S
Index
A
B
acute angle– 296
balanced– 220
balance scale model– See models
acute triangle– 312
bar graph– 376
algebraic equation– See equation
base– 90, 325
angle– 294
base of a triangle– 327
apex– 349
base ten system– 194
area– 45, 324
brownie model– 125
area model– 127,See models
area of a circle– 342
C
area of a parallelogram– 326
capacity– 277
area of a triangle– 328
Cartesian coordinate system– 27
Arithmetic, Fundamental Theorem
of– See Fundamental Theorem
of Arithmetic
celsius– 286
average. See mean
chords– 337
axis– 25, 22
circle– 337
center of a circle– 337
horizontal axis– See horizontal axis
circle graph– 378
vertical axis– See vertical axis
circumference– 338, 339
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M AT H E X P L O R AT I O N S
Index
common denominator– 142, 159
counterclockwise– 25
common factor– 103
counting numbers– 3
common multiple– 113
cube– 350
commutative property of multiplication– 45, 46
customary unit– 271
D
complement– 387
data– 366
complementary angles– 301
data analysis– 365
composite– 79
data point– 366
compound event– 387
datum– See data
compound experiment– 386
decimal equivalents– 194
congruent– 308, 310, 312
decimal number– 151
conjecture– 309
degree– 295
constant– 343
denominator– 126
coordinate– 24; 27
diameter– 337
x-coordinate– 27
dimension– 149, 348
y-coordinate– 27
dimensional analysis– 272
coordinate plane– 24
discrete model– 130. Also see models
coordinate system– 27
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M AT H E X P L O R AT I O N S
Index
distance– 2, 5.
experiment– 385
distributive property– 48
exponent– 89
dividend– 54, 64
exponential notation– 89
divisibility– 78
expression– 19
divisible– 78
division algorithm– 64
divisor– 54, 64
domain– 228
F
face– 348
factor– 38, 54, 78
factoring– 98
E
Fahrenheit– 286
edge– 348
feet– 272
endpoint– 293
four-step process– 223
equation– 217
fraction– 132,126
equilateral triangle– 306
Fraction Chart– 129, 140, 196
equivalent fraction– 130
frequency– 368
equivalent fraction property– 132.
See also equivalent fraction
Eratosthenes, Sieve of– See Sieve of
Eratosthenes
frog model– See models
function– 227, 228
domain– 228
event– 387
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M AT H E X P L O R AT I O N S
Index
input– 227, 228
improper fraction– 148
range– 228
independent– 395
function notation– 229
input/output– 227, 228
Fundamental Theorem of Arithmetic–
98
integer– 4
isosceles triangle– 307
G
L
GCF– See greatest common factor
lattice point– 27
grams– 282
LCD– See least common denominator
graph– 24; 229, 376
LCM– See least common multiple
graph of a function– 229
least common denominator– 160
greater than– 8
least common multiple– 113
greatest common factor– 103
less than– 8
H
line– 293, 296
height– 325
linear model– 45. Also see models
hexagon– 315
line graph– 380
horizontal axis– 25
line plot– 368
hypotenuse of right triangle– 311
line segment– 293
I
Copyright © 2011 Texas State Mathworks
liter– 278
430
M AT H E X P L O R AT I O N S
Index
number line model– 2
M
skip counting– 37; See also frog
model
mass– 282
mean– 366
tree diagram– 385, 395
measure of angle notation– 299
multiplicative identity– 79
measure of central tendency– 366
median– 367
N
natural number– 3
metric unit– 271
negative integers– 3
midpoint– 192
non-negative integers– 3
missing factor model– 54 Also
see models
notation– 229
mixed fraction– 148
number line– 2, See also models
mode– 368
scaling– 2
models
area model– 45, 61, 243
timeline– 14
number line model– 2
brownie model– 125
numbers
counting numbers. See counting
numbers
frog model– 37, 40; See also skip
counting model
linear model– 45
integers– See integer
missing factor model– 54
natural numbers. See natural
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M AT H E X P L O R AT I O N S
Index
number
parallelogram– 315
positive integers. See integer
partial product– 46
whole numbers. See whole number
percent– 201
numerator– 126
perfect cube– 101
perfect square– 100
O
obtuse angle– 296
perimeter– 323
obtuse triangle– 312
perpendicular– 300
order
greater than– See greater than
pie graph– 378
polygon– 206
less than– See less than
polyhedron– 348
ordered pairs– 27
positive– 3
ordering fractions– 139, 141
positive integer– 3
order of operations– 92
pounds– 282
origin– 2, 24
power– 90
outcome– 385
prime– 79
output– 227
prime factor– 99
P
prime factorization– 99
parallel– 315
Copyright © 2011 Texas State Mathworks
prism– 348
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M AT H E X P L O R AT I O N S
Index
rectangular prism– 348
probability– 384, 387
regular– 318, 350
proper fraction– 148
relatively prime– 105
proportion– 261
remainder– 64
proportion method– 262
repeating decimal– 197
protractor– 295
rhombus– 316
Pythagorean Theorem– 311
right angle– 296
Q
right triangle– 311
quadrant– 25
Rule of Product– 395
quadrilateral– 314
Rule of Sum– 396
quotient– 54, 64
S
R
sample space– 385
radius– 337
scaffolding– 68
range– 228, 366
scalene triangle– 308
rate– 255
scaling– 2
ratio– 254
sector– 347
ray– 293
semicircle– 337
rectangle– 315
sequence– 3, 211, 212
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M AT H E X P L O R AT I O N S
Index
trisected– 313
Sieve of Eratosthenes– 82, 93
U
simple event– 387
unit fraction– 147
simple experiment– 385
unit rate– 255
simplest form– 133
Unit Rate Method– 262
simplifying– 132
V
stem and leaf plot– 369
variable– 8, 19, 217
straight angle– 296
Venn diagram– 108
supplementary– 299
vertex– 294, 306, 348
surface area– 351
vertical addition– 168
T
vertical axis– 25
tessellation– 209
vertices. See vertex
theoretical probability– 388
volume– 277, 351
three-dimensional figure– 348
volume of a 3-D shape– 339, 341
timeline– 14
W
trapezoid– 316
weight– 282
tree diagram– 385
whole number– 3
Triangle Sum Theorem– 310
Copyright © 2011 Texas State Mathworks
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M AT H E X P L O R AT I O N S
Index
X
x-axis– 25
x-coordinate– 27
Y
yard– 272
y-axis– 25
y-coordinate– 27
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