A
add
addend
addition
addition sentence
after
angle
area
array
B
balance
bar graph
before
benchmark number
between
C
calendar
capacity
cardinal number
centimeter (cm)
certain
circle
closed figure
cone
congruent figures
corner
count back
count on
cube (in geometry)
cup (c)
cylinder
D
data
decimal
decimal point
decimeter
denominator
difference
digit
dime
divide
dividend
division
divisor
dollar
double
double minus one
double plus one
E
edge
elapsed time
equal
equal groups
equal parts
equally likely
equivalent
equivalent fractions
estimate
even number
event
expanded form
experiment
F
face
fact family
factor (in arithmetic)
fewer
flip
foot (ft)
fraction
frequency table
G
gallon (gal)
gram (g)
greater than (>)
grid
H
half-dollar
half-hour
hexagon
horizontal bar graph
hour
hour hand
hundred
hundredth
I
impossible
inch (in.)
inside
inverse operations (opposite operations)
K
key
kilogram (kg)
L
less than (<)
line
line segment
line symmetry
liter (L)
M
meter (m)
mile (mi)
milliliter (mL)
minus sign
minute (min)
minute hand
more than
multiplication
multiplication sentence
multiply
N
nickel
number line
number sentence
numerator
O
octagon
odd number
on
ones
open figure
opposite operations
order property of multiplication
ordered pair
ordinal numbers
ounce (oz)
outside
P
parallel lines
parallelogram
pattern
penny
pentagon
perimeter
pictogram
pint (pt)
plane
plane figure
plus sign
point symmetry
polygon
pound (lb)
predict
product
pyramid
Q
quadrilateral
quart (qt)
quarter
quotient
R
rectangle
rectangular prism
regrouping
remainder
result
right angle
rounding
S
scale
side
skip count
slide
solid figure
sphere
square (in geometry)
square number
square pyramid
standard form
subtract
subtraction
subtraction sentence
sum
survey
symmetry
T
table
tally marks
tally table
tangram
temperature
tens
tenth
tessellation
triangle
V
vertical bar graph
volume
W
week
Y
yard (yd)
Z
zero
zero property of addition