Prime and Composite Numbers, Factors, and Fractions

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prime

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CCSS.4.OA.B.4

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composite

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CCSS.4.OA.B.4

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composite

Tags

CCSS.4.OA.B.4

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composite

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CCSS.4.OA.B.4

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13

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CCSS.4.OA.B.4

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Which number is a factor of all numbers?

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1

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CCSS.4.OA.B.4

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Which lists all of the factors of 20?

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1, 2, 4, 5, 10, 20

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CCSS.4.OA.B.4

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List all of the factors of 18.

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1, 2, 3, 6, 9, 18

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CCSS.4.OA.B.4

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Which number is a factor of 21? Options: 2, 3, 4

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3

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CCSS.4.OA.B.4

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Which number is a factor of 15? Options: 5, 4, 10

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5

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CCSS.4.OA.B.4