Chapter 3-3 "Multiplication as Comparison"

Perry has 36 trading cards. He gives the same number of cards to each of his 9 friends.

How many cards does Perry give to each friend? Use the bar diagram to help

• 3

• 4

• 5

• 6

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Ricky drew this bar diagram to model a division problem.

Which multiplication equation could Ricky use to help solve the problem?

• 5 x 6 = 45

• 5 x 7 = 45

• 5 x 45 = 9

• 5 x 9 = 45

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Chris drew the bar diagram below. Which equations could be used to represent the problem shown in

Chris’s bar diagram? Choose all that apply.

• ? x 3 = 21

• 21 ÷ 3 = ?

• 21 x 3 = ?

• 21 ÷ ? = 3

• ? ÷ 3 = 21

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What is the total represented by this tape diagram?

• 18

• 14

• 16

• 12

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What is the total represented by this tape diagram?

• 10

• 20

• 15

• 30

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What repeated addition equation represents this tape diagram?

• 4 + 4 = 8

• 2 + 2 + 2 = 6

• 2 + 2 + 2 + 2 = 8

• 2 + 2 + 2 + 2 = 9

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Which of these numbers is ten times as much as 8?

• 8

• 800

• 0.8

• 80

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Which of these numbers is ten times as much as 4?

• 40

• 4

• 0.4

• 400

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Choose the correct equation for the picture. The first digit is the number of groups (bags). The second digit is how many objects in each group (marbles).

• 6 X 3

• 4 X 3

• 6 + 6

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Choose the correct multiplication sentence to describe the picture.

• 3 X 5

• 5 + 10

• 5 x 5 x 5

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CCSS.3.OA.A.3