Multiply
Strategies
Properties
Divide
100
Solve: 2 x 6
12
100
What strategy is shown below?
Equal Groups
100
Which shows the commutative property?
a. 4x2=4+2
b. 4x2=2x4
c. 4x2=2+4
d. 4x2=4x2
b. 4x2=2x4
100
Solve: 20 / 5
4
200
Solve: 3 x 7
21
200
What strategy is shown below?
An Array
200
What property is being shown?
(4 x 5) x 2=?
20 x 2= 40
Associative Property
200
Solve: 32 / 4
8
300
Solve: 60 x 5
300
300
Model the repeated addition for 4 x 5.
5 + 5 + 5 + 5= 20
300
Which property decomposes a difficult number to make it easier to work with?
Distributive Property
300
Solve: 48 / 8
6
400
Solve: 8 x 7
56
400
What strategy has rows and columns? Model using 3 x 4.
An array.
400
Use the associative property to solve.
3 x 2 x 4
(3 x 2) x 4= 24
or
3 x (2 x 4)= 24
400
Solve: 63 / 7
9
500
Solve: 9 x 9
81
500
The 3rd grade hall has 4 third grade classrooms. Each classroom has 5 tables. How many tables are there in all?
Use a strategy to solve.
4 x 5= 20
Strategies may vary.
500
Use the distributive property to solve.
9 x 6
(3 x 6) + (6 x 6)= 54
500
Sam has 42 pencils with 6 pencils in each box. How many boxes does Sam have?
42 / 6= 7