Vocabulary
Equal Groups
Arrays
Commutative Property
Fact Fluency
100
The answer in a multiplication equation is called the...?
Product
100
How many groups would model 4 x 6?
4 groups
100
What is an array?
Equal groups organized in rows and columns.
100
Fill in the missing number.
____ x 9 = 9 x 8
8
100
3 x 3 = ?
9
200
What are the factors in this equation?
5 x 6 = 30
5 and 6
200
Write a repeated addition equation for this model.
5 + 5 + 5 = 15
200
How many rows are in this array?
2 rows
200
Fill in the missing number.
(Hint: It's the same number!)
3 x ___ = 6
___ x 3 = 6
2
200
8 x 2 = ?
16
300
What is the product in this equation?
4 x 3 = 12
12
300
Draw a model to show
2 x 5.
300
This array models what multiplication equation?
4 x 4 = 16
300
Explain how these arrays model the Commutative Property.
The array on the left shows 4 rows of 5 and the array on the right shows 5 rows of 4. The factors are flip-flopped, but they both equal 20.
300
9 x 3 = ?
27
400
The order of numbers doesn't matter when adding or multiplying, and the answer will always be the same. What is that called?
Commutative Property
400
This model shows what multiplication equation?
3 x 6 = 18
400
Tess, Hal, and Joe each have 2 dollars. Draw an array to show how many dollars they have in all?
O O
O O
O O
400
Use the Commutative Property to name a multiplication equation related to this fact.
6 x 3 = 18 or 3 x 6 = 18
400
2 x ___ = 14
7
500
Use the Commutative Property to write 5x2=10 in a different way.
2x5=10
500
What multiplication equation would you write for this image if one more fish was added to each bowl.
5 x 4 = 20
500
Cathy has 3 boxes of crayons. Each box
has 6 crayons. How many crayons does she
have in all? Draw an array to find the product.
O O O O O O
O O O O O O
O O O O O O
3 x 6 = 18
500
Show the commutative property of this equation.
3 x 7 = 21
7 x 3 = 21
500
___ x 3 = 24
8