CCSS.Math.Content.4.OA.B.4

Which is a common factor of this set of numbers? 20, 38, 14, 16, 8

• 2
• 4
• 3
• 6

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CCSS.Math.Content.4.OA.B.4

Which is a factor of 12?

• 24
• 5
• 3
• 0.3

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CCSS.Math.Content.4.OA.B.4

52 is a prime number

• True
• False

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CCSS.Math.Content.4.OA.B.4

Which list of numbers are all composite numbers?

• 1,2,3,5,9
• 4,6,8,11
• 9,10,12,33
• 1,22,33,44,

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CCSS.Math.Content.4.OA.B.4

All the factors of 15 are:

• 1, 2, 3, 5, 13, 15 
• 1, 15
• 1, 6, 9, 15
• 1, 3, 5, 15

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CCSS.Math.Content.4.OA.B.4

Don wants to share some candy with his friends. He counts out the candy into groups of 8. Which list shows only numbers that are multiples of 8?

• 8, 16, 24, 32
• 8, 14, 24, 32
• 16, 23, 30, 37
• 18, 28, 38, 48

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CCSS.Math.Content.4.OA.B.4

Are all even numbers composite numbers?

• Yes
• No

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CCSS.Math.Content.4.OA.B.4

Which of the numbers below are multiples of 3?

• 3, 6, 9, 14

• 3, 6, 8, 12

• 6, 9, 12, 22

• 3, 6, 9, 12

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CCSS.Math.Content.4.OA.B.4

Find ALL FACTORS of 24

• 1, 2, 12, 24

• 1, 2, 8, 24

• 1, 2, 3, 4, 5, 6, 8, 12, 24

• 1, 2, 3, 4, 6, 8, 12, 24

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CCSS.Math.Content.4.OA.B.4

What is the biggest number that divides into both 9 and 12?

• 1

• 2

• 3

• 4

Answer explanation

Before 1913 parents could mail their kids to Grandma’s – through the postal service.

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CCSS.Math.Content.4.OA.B.4