Mathematics

4th

grade

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PRIME AND COMPOSITE NUMBERS

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  • 1. Fill in the Blank
    1 minute
    1 pt

    Sum of all the prime numbers between 1 and 11.

  • 2. Fill in the Blank
    1 minute
    1 pt

    Sum of all composite numbers between 25 and 30.

  • 3. Fill in the Blank
    1 minute
    1 pt

    Difference of the greatest prime number less than 20 and the least prime number less than 10.

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