Grade 6
A
absolute value
acute angle
acute triangle
Addition Property of Equality
additive inverse
adjacent angles
algebraic expression
algebraic operating system
angle
arc
area
Associative Property
average
axes
B
bar graph
base
base
biased question
biased sample
bisect
box-and-whisker graph
C
capacity
Celsius
center of a circle
certain
chord
circle
circle graph
circumference
closed figure
clustering
common factor
common multiple
Commutative Property
compatible numbers
compensation
complement
complementary angles
composite number
compound event
cone
congruent
congruent figures
congruent polygons
convenience sample
coordinate plane
coordinates
corresponding angles
corresponding sides
cross products
cube
cumulative frequency
customary measurement system
cylinder
D
data
decimal
decimal system
degree
degree Celsius (°C)
degree Fahrenheit (°F)
denominator
dependent events
diameter
difference
dimension
discount
Distributive Property of Multiplication
dividend
divisible
Division Property of Equality
divisor
E
edge
equally likely
equation
equilateral triangle
equivalent
equivalent decimals
equivalent fractions
equivalent ratios
estimate (noun)
estimate (verb)
evaluate
event
experimental probability
exponent
expression
F
face
factor
factor tree
Fahrenheit
Fibonacci Sequence
formula
fractal
fraction
frequency table
function
Fundamental Counting Principle
G
Golden Ratio
Golden Rectangle
greater than
greatest common factor (GCF)
H
height
hexagon
histogram
hypotenuse
I
Identity Property of One
Identity Property of Zero
impossible
independent events
indirect measurement
inequality
integers
intersecting lines
interval
inverse operations
isosceles triangle
J
K
L
lateral faces
least common denominator (LCD)
least common multiple (LCM)
leg
less than
like terms
line
line graph
line of symmetry
line plot
line segment
line symmetry
lower extreme
lower quartile
M
map scale
mean
measure of central tendency
median
metric system
midpoint
mixed number
mode
multiple
multiple-bar graph
multiple-line graph
Multiplication Property of Equality
multistep problem
N
negative integer
net
network
number line
numerator
numerical expression
O
obtuse angle
obtuse triangle
octagon
opposites
ordered pair
order of operations
origin
outcome
outlier
overestimate
P
parallel lines
parallelogram
pentagon
percent
perimeter
period
perpendicular lines
place value
plane
plane figure
point
point of rotation
polygon
polyhedron
population
positive integer
precision
prediction
prime factorization
prime number
principal
prism
probability (P)
product
Property of Zero
proportion
pyramid
Pythagorean Theorem
Q
quadrants
quadrilateral
quotient
R
radius
random sample
range
rate
ratio
rational number
ray
reciprocal
rectangle
rectangular prism
reflection
regular polygon
relation
repeating decimal
rhombus
right angle
right triangle
rotation (turn)
rotational symmetry
S
sales tax
sample
sample space
scale
scale
scale drawing
scalene triangle
scatterplot
sector
self-similarity
sequence
similar figures
simple interest
simplest form
simulation
solid figure
solution
solve an equation
sphere
square
square number
square root
standard form
stem-and-leaf plot
straight angle
Subtraction Property of Equality
sum
supplementary angles
surface area
survey
systematic sample
T
tally table
tangram
term
term
terms
terminating decimal
tessellation
theoretical probability
three-dimensional
transformation
translation (slide)
trapezoid
tree diagram
triangle
triangular number
U
unbiased sample
underestimate
unit rate
unlike fractions
upper extreme
upper quartile
V
variable
Venn diagram
vertex
vertical angles
volume
W
whole number
X
x-axis
x-coordinate
Y
y-axis
y-coordinate
Z
-- Tables --
metric
customary
time
formulas
symbols