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Class 4 · Mathematics · Cameroon

Odd, Even and Prime Numbers: 6 practice questions

Free practice on Odd, Even and Prime Numbers for Class 4, following the Cameroon primary school curriculum (English subsystem). Every answer is explained, so a parent who is not sure of the answer can still help.

  1. Which number is odd?

    1. 14
    2. 28
    3. 31
    4. 40
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    Answer: C. 31

    Odd numbers end in 1, 3, 5, 7 or 9.

  2. Which number is even?

    1. 17
    2. 23
    3. 35
    4. 48
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    Answer: D. 48

    Even numbers end in 0, 2, 4, 6 or 8.

  3. Which number is prime?

    1. 9
    2. 15
    3. 13
    4. 21
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    Answer: C. 13

    13 can only be divided by 1 and 13.

  4. Which of these is NOT prime?

    1. 2
    2. 5
    3. 11
    4. 15
    Show the answer

    Answer: D. 15

    15 = 3 × 5, so it is not prime.

  5. Write the smallest prime number.

    Write your answer, then check below.

    Show the answer

    Answer:

  6. What is the next odd number after 99?

    Write your answer, then check below.

    Show the answer

    Answer:

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