addition
addend
To combine and put together two or more quantities.
+ 3
+
any one of the two or more numbers being added.
= 3 =
4 + 6 + 3 = 10 6
addends
analog clock
alike
a clock that shows the time by the positions the hour and minute hand.
when two or more items have similar characteristics. Including same size, quantity, or amount.
!
attribute characteristic of an object. includes color, shape, sides, size, weight etc. • • • •
a graph that uses rectangular bars to show and compare how large each quantity is.
green triangle 4 equal sides 4 90º angles
bar model model that uses bars to represent known and unknown quantities
10 ?
bar graph
6
6 + 4 = 10
circle a closed shape with no vertices or sides
compare
coins
to distinguish wether one quantity is larger, smaller or equal to the other number.
units of money that represent parts of a dollar
corner a point where the edges of a figure meet
!
corner
!
count back a method used for subtraction
data
denominator the bottom number of a fraction that represents the number of parts the whole is divided into.
a collection of information.
! !
denominator
difference the result when one number is subtracted from another.
5-4=1
!
1 2
digital clock a clock that uses digits only to show time.
equal
edge the side of a polygon or line where two solid figures meet.
edge
! !
!
equation a number sentence with an equal sign. The amount on one side of the sign has the same value as the other side.
1+4=3+2
quantities that have the same amount.
= fact family a group of related facts that use the same numbers (also known as related facts).
fraction
fewer
fractions represent equal parts of a whole.
the smaller amount or quantity.
! !
greater than
half of
greater than is used to compare two numbers when the first ! number is larger than the second number.
one of 2 equal parts.
!
! 2>1
intersect
horizontal a geometric line that runs from right to left across the page.
the point where two lines cross over.
!
intersection
!
length how long something is. the distance from one place to another.
!
more the greater quantity or amount.
! ! this has more!
number line
numeral a symbol used to represent a number.
a line diagram that represents numbers as points on a line.
! !
numerator the number above the line of a fraction, showing number or parts of the whole,
!
numerator
!
1 2 3 4 5
I II III IV V
6 7 8 9 10
VI VII VIII VIIII X
object a material thing that can be seen and touched.
ones
parallel
a single unit or object.
two lines on a plane that never meet.
6 ones
picture graph a graph that uses symbols to show data.
place value the value of a digit because of its place in the number.
!
1 3
side
solid shapes
one of the line segments that makes a flat, two-dimensional shape. one side
a shape that is not flat; an object that has three dimensions (height, length, width).
!
sort
subtract
to organize groups according to shared characteristics.
to take away, remove, or compare quantities.
!
!
!
5-2=3
! ! ! ! !
By: Michelle Grant
!
My First Math Dictionary
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