Operations and Algebraic Thinking

Maliki had 152 CDs. He went to a store that buys and sells CDs. He bought 12 CDs. He sold 24 CDs. Which equation can be used to find how many CDs Maliki had after he left the store?

• 152 + 12 - 24 = x

• 24 - 12 + 152 = x

• 152 + 12 + 24 = x

• 152 - 12 - 24 = x

Which multiplication fact can you use to find the quotient of 24 divided by 6?

• 12 x 2 = 24

• 3 x 8 = 24

• 1 x 24 = 24

• 6 x 4 = 24

Dalton says that 6 x (3 + 5) is the same as (6 x 3) + (6 x 5). Which of the following statements is true?

• Dalton's statement is correct because 6 x (3 + 5) = 18 + 30

• Dalton's statement is correct because 6 x (3 + 5) = 9 + 15

• Dalton's statement is incorrect because 6 x (3 + 5) = 18 x 11

• Dalton's statement is incorrect because 6 x (3 + 5) = 30 + 15

Gary has 28 spices. His spice rack is completely filled. There are 7 spices on each row of the rack. Which of the following can help you determine how many rows Gary's spice rack has?

• 28 divided by 4

• 28 divided by 7

• 28 - 7

• 28 - 4

A can of tennis balls holds 3 balls. Which equation shows how to find how many tennis balls are in 6 cans?

• 6 divided by 3

• 6 - 3

• 6 x 3

• 6 + 3

What is the missing value?__ x 6 = 30

• 2

• 3

• 4

• 5

• 8

• 15

• 18

• 25

What is the missing factor? 4 x ___ = 16

• 4

• 44

• 12

• 20

Sarah has a book of stickers. On the first page there are 6 rows of stickers and 3 stickers in each row. How many stickers are there?

• 18

• 12

• 9

• 15

Jenna is baking smiley face cookies for her 5 special friends. If she wants each friend to have 11 cookies, how many cookies will she need to make?

• 55

• 50

• 6

• 16