Vocabulary
groups that have the same number of objects
a. factors
b. array
c. equal groups
c. equal groups
3 groups of 6
**you need an addition and multiplication problem**
6 + 6 + 6 = 18
3 x 6 = 18
X X X X X X
X X X X X X
X X X X X X
3 x 6 = 18
Use the commutative property of multiplication to write the related math problem
4 x 5 = 20
5 x 4 = 20
a number that is multiplied by another number to find a product
a. factor
b. equal groups
c. Product
a. factor
2 groups of 3
**you need an addition and multiplication problem**
3 + 3 = 6
2 x 3 = 6
X X X
X X X
X X X
X X X
4 x 3 = 12
Use the commutative property of multiplication to write the related math problem
7 x 8 = 56
8 x 7 = 56
the answer of a multiplication problem
a. array
b. product
c. multiply
b. product
4 groups of 2
**you need an addition and multiplication problem**
2 + 2 + 2 + 2 = 8
4 x 2 = 8
X X X X X X X X X
X X X X X X X X X
2 x 9 = 18
Use the commutative property of multiplication to write the related math problem
3 groups of 7
7 groups of 3
3 x 7 = 21
7 x 3 =21
a set of objects arranged in rows and columns
a. factor
b. array
c. communicative property of multiplication
b. array
5 groups of 4
**you need an addition and multiplication problem**
4 + 4 + 4 + 4 + 4 = 20
5 x 4 + 20
X X X X X X X X X X
X X X X X X X X X X
X X X X X X X X X X
X X X X X X X X X X
4 x 10 = 40
Use the commutative property of multiplication to write the related math problem
2 groups of 10
10 groups of 2
2 x 10 = 20
10 x 2 = 20
the property that states that you can multiply two factors in any order and get the same product.
a. factor
b. array
c. communicative property of multiplication
c. communicative property of multiplication
5 groups of 5
**you need an addition and multiplication problem**
5 + 5 + 5 + 5 + 5 = 25
5 x 5 = 25
X
X
X
4 x 1 = 4
Use the commutative property of multiplication to write the related math problem
5 groups of 6
6 groups of 5
5 x 6 = 30
6 x 5 = 30