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Mathematics

6th -

8thgrade

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Prime and Composite Numbers B

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8 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    Which numbers are prime?

    1

    2

    11

    15

    21

  • 2. Multiple Choice
    1 minute
    1 pt

    Which numbers are composite?

    6

    45

    33

    47

    29

  • 3. Multiple Choice
    1 minute
    1 pt

    Which numbers are prime?

    23

    61

    19

    7

    9

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