Mid-Unit Multiplication Review

Multiplication Facts

100

2x5=

2x5=10

200

7x5=

7x5=35

300

9x6=

9x6=54

400

8x4=

8x4=32

500

9x9=

9x9=81

Word Problems

100

There are 11 people sitting on the carpet. Mrs. Terry wants to give each of them 3 pieces of candy. How many pieces of candy does she need?

33 pieces

200

Samson has 2 toy baskets. In each toy basket, he has 12 toys. How many toys does he have?

24 toys

300

Mr. Terry bought Mrs. Terry 2 boxes of pencils. In each box, there were 10 packs. In each pack, there are 5 pencils. How many pencils did Mr. Terry buy?

100 pencils

400

Mrs. Brackett has 3 bedrooms in her house. In each room, she has 2 baskets of candy. Each basket holds 8 pieces of candy. How many pieces of candy does she have?

48 pieces

500

The third grade teachers have 4 classrooms. In each classroom, there are 3 light switches. Each light switch turns on 3 lights. How many lights are in the third grade classrooms?

36 lights

Using the Properties

100

Use the Distributive Property to break apart the 7 to solve the problem: 5x7=

Multiple answers accepted:

(5x3)+(5x4)=35

(5x2)+(5x5)=35

(5x1)+(5x6)=35

200

Use the associative property to multiply 4x2x8.(Show your steps and include parentheses)

Multiple answers accepted:

(4x2)x8= 8x8= 64

4x(2x8)= 4x16=64

(4x8)x2= 32x2=64

300

Use the Distributive Property to break apart the 9 to solve the problem: 5x9=

Multiple answers accepted:

(5x5)+(5x4)=45

(5x2)+(5x7)=45

(5x1)+(5x8)=45

400

Use the associative property to multiply 5x3x3.(Show your steps and include parentheses)

Multiple answers accepted:

(5x3)x3= 15x3= 45

5x(3x3)= 5x9= 45

500

Mrs. Terry breaks apart the equation 8x5 into (4x5)+(4x5)=40. What is another way she could break apart the problem?

Multiple answers accepted: 

(3x5)+(5x5)=40

(2x5)+(6x5)=40

(1x5)+(7x5)=40

Using the Properties Continued

100

Explain why 4x5=20 and 5x4=20. What property does this show?

We are multiplying the same numbers but they are in a different order. This is the commutative property.

200

Use the Distributive Property to break apart the 6 to solve the problem: 6x3=

Multiple answers accepted:

(3x3)+(3x3)=18

(2x3)+(4x3)=18

(5x3)+(1x3)=18

300

Name the three properties.

Distributive

Commutative

Associative

400

Use the Distributive Property to break apart the 4 to solve the problem: 4x6=

Multiple answers accepted:

(2x6)+(2x6)=24

(1x6)+(3x6)=24

500

Use the associative property to write two equivalent equations (they should use the same numbers and have the same answer).

Multiple answers accepted:

Examples:

4x5=20   5x4=20

3x9=27   9x3=27

Random

100

Fill in the blank:

4x10=___x4

10

200

Use equal groups to solve 3x7

Image should show 3 groups with 7 items in each group. 3x7= 21

300

Use an array to solve 6x6

Array should show an array with 6 rows and 6 columns. 6x6= 36

400

Are these equations true or false:

1. 3x4=12

2. 5x5=10

3. 9x7=63

1. True

2. False

3. True

500

Use an array to break apart and solve the equation 5x4.

Arrays should show an original equation broken apart and a line breaking the array apart.

Multiple answers accepted:

(5x2)+(5x2)= 20

(5x3)+(5x1)= 20

(2x4)+(3x4)= 20

(4x4)+(1x4)= 20