Fourth Grade Mathematics Vocabulary List by Goals:
*Note: Many of the vocabulary words are repeated under different goals.
Helpful Websites:
http://www.rainforestmaths.com/ - definitions with pictures
http://community.learnnc.org/dpi/math/archives/2005/06/glossary_of_mat.php - English/Spanish version of
DPI
Standard Course of Study vocabulary definitions with pictures
Number and
Operations
1.01
number word
decimal
expanded
notation/form
standard
notation/form
written form
ten-thousands
place
thousands place
hundreds place
tens place
ones place
tenths place
hundredths
place
hundred boards
base ten blocks
compose
decompose
multiply
divide
product
quotient
sum
difference
rational number
factor
multiple
common
fraction
decimal fraction
denominator
numerator
mixed numbers
about
approximately
equivalent
number line
comparing:
less than 4 < 5
less than or
equal to 4 5
greater than
5>4
greater than or
equal to
5 4
equal to 4 = 4
1.02
1.01 vocabulary
arrays
fact
share
dividend
divisor
remainder
place value
ten-thousands
thousands
hundreds
tens
ones
tenths
hundredths
dollars
cents
estimate
distribute
1.01, 1.02, and
1.03
vocabulary
ctlike/unlike
fraction bar
decimal
fractions
1.05
patterns
guess and
check
make a table/
graph/chart
make a
diagram/
picture
make an
organized list
work backwards
solve a simpler
problem
find a pattern
extra
information
representations
models
act out the
problem
Measurement
1.03
1.01 and 1.02
vocabularies
part-to-whole
equal shares
ratio
sum
difference
1.04
2.01
triangle
quadrilateral
parallelogram
trapezoid
square
rhombus
rectangle
regular polygon
pentagon
hexagon
octagon
decagon
side
angles
vertex/vertices
line segment
line
ray
square units
length
width
dimensions
grid paper
geoboards
rulers
2.02
2.01 vocabulary
polygon
square units
length
width
Geometry
3.01
x-axis
horizontal
y-axis
vertical
ordered pairs
origin
quadrant
diagonal
3.02
3.01 vocabulary
right angle
90°
Intersecting
equal distance
non-intersecting
parallel
perpendicular
plane
3.03
3.01 and 3.02
vocabularies
clockwise
vertical
horizontal
180°
pre-image
(before)
Image (after)
reflect (flip)
reflection
translate (slide)
translation
rotate (turn)
rotation
shift
move
A, A´
Data Analysis
and Probability
4.01
chart
tally
Venn Diagram
circle graph
pictograph
line plot
bar graph
double bar
graph
line graph
trend
continuous data
numerical data
categorical
data
columns
rows
x-axis
y-axis
labels
titles
intervals
range of data
scale
4.02
4.01 vocabulary
ordered set of
data
center/middle
least/greatest
spread
typical
4.03
4.04
probability
likelihood
outcome
event
equally likely
impossible
certain
less likely
more likely
sample
space
permutation
combination
Algebra
5.01
function
machines
input
output
T-chart
pattern
table
variable
5.02
variable
equation
equivalent
expression
symbol
5.03
5.01 and 5.02
vocabulary
order of
operations
function
machines
input
output
multiplication
forms:
2(3)
2· 3
2x3
Additional
Recommended
Vocabulary to
maintain: