Array-
a set of numbers or
objects that follow
a specific pattern.
Column-
a line in an array
that goes
north/south or
up/down.
Commutative Property-
factors in a
multiplication
sentence can switch
places.
4x2=8 or 2x4=8
Distributive Property-
one factor stays
the same while the
other factor is
decomposed to
multiply.
7x8=56
(7x3) +
(7x5)=56
Equal Groups-
one factor is the
number of objects
in a group and the
other is the number
of groups.
Equation-
a statement that 2
expressions are
equal.
3x4=12
24/3=2x4
or
Distribute-
in reference to the
Distributive
Property. To
decompose/breakdown.
10= 8+2
5+7
or
12=
Divide/Division-
partioning a total
into equal groups
to show how many
equal groups add up
to a specific
number.
(14/7=2)
(14=7-7)
Fact- used to refer
to
multiplication/divi
sion facts.
5x6=30
30/5=6
6x5=30
30/6=5
Factors- numbers
that are multiplied
to equal a product.
=
6
18
x
3
factor x factor=
product
Multiplication/Multiply-
an operation
showing how many
equal groups are
being combined.
4x3=12
Parentheses-
( ) used around a
fact or numbers
within an equation.
Solve the ( )
first.
(5x4=20) or
(3x4)x3=36
Quotient-
the answer when one
number is divided
by another.
72
/
9
=
8
dividend / divisor
= quotient
Rotate- turn,
used with reference
to turning 90
degrees.
a line in
an array that
goes east/west
or right/left.
Row-
Size of Groups-
factor in a
multiplication
problem that refers
to how many are in
a group.
Unit- one segment
of a partitioned
tape diagram.
Unknown- the missing
factor or quantity
in multiplication
or division.
36/?=12
?x2=24
or
Number Bond- shows
part-part-whole
relationship.
Number Sentence-
similar to an
equation, but does
not have to have
equal sides.
z x 8=16
7< 2x4
or
Repeated Addition-
adding equal groups
together.
2+2+2+2=8 or
4+4+4+4+4+4=24
Tape Diagram- a
model for
multiplication/divi
sion problems.
5x10=50
10
10
10
10
10
Value- how much.
The value of w=12.
4 x w =48
Decompose- To break
apart a number.
or
18
18
8
9
10
9