Operations and Algebraic Thinking

Beth drew 4 flowers on each of 3 papers.

Each flower had 6 petals.

Beth multiplied 4 x 3 x 6 to find the total number of petals.

Which expression shows another way she could find the total number of petals?

• 4 x 3 + 4 x 6

• 3 x 6 x 4

• 4 + 4 + 3 + 3

• 4 ÷ 3 x 6

Cody set up 3 rows with _____ chairs in each row.
There are 4 chairs in the fourth row.
There were 22 chairs in all.
Which number solves the equation below and finds the total number of chairs Cody set up?
3 x ____ + 4 = 22

• ____ = 2

• ____ = 5

• ____ = 4

• ____ = 6

Which of the following represents the Commutative Property of Multiplication?

• 3 x 4 = 6 x 2

• 3 x 4 = 12 x 1

• 3 x 4 = 2 x 6

• 3 x 4 = 4 x 3

Brandon has 3 sheets of stickers. There are 8 stickers on each sheet. He wrote this number sentence to represent the total number of stickers.

3 X 8 = 24

What is a related number sentence that also represents the total number of stickers he has?

• 8 + 3 =

• 3 + 3 + 3 =

• 8 X 8 =

• 8 X 3 =

Tags

3.OA.B.5

Using the Commutative Property, how else can we build this array?

• 
• 
• 
• 

Brandon has 3 sheets of stickers. There are 8 stickers on each sheet. He wrote this number sentence to represent the total number of stickers.

3 x 8 = 24

What is a related number sentence that also represents the total number of stickers he has?

• 8 + 3 =

• 3 + 3 + 3 =

• 8 x 3 =

• 8 x 8 =

Tags

3.OA.B.5

Which expressions are represented by the arrays?

• (5 x 8) + (2 x 8)

• 7 x 7

• 7 x 8

• 4 x 10

• (5 x 6) + ( 5 x 7)

3 x ____ = 9 x 3

• 7

• 9

• 27

• 11

How could the distributive property be used to solve 3 x 9?

• (3 x 6) + (3 x 3)

• (9 x 3) + (9 x 3)

• (3 x 3) + (9 x 5)

Which two multiplication equations match this array?

• 5 x 2 = 10

• 2 x 5 = 10

• 5 x 3 = 15

• 3 x 5 = 15

• 3+3+3+3+3=15