Back to the sheet

Check the answers

Factors, multiples and primes · Grade 4 · Level 4 · Sheet 1. Type in what your child wrote, or tap what they circled, and each answer is marked — with the reason when a wrong one is a mistake we recognize. Nothing you type is sent anywhere.

  1. 1.

    Is this number prime or composite?

    77
  2. 2.

    Is this number prime or composite?

    13
  3. 3.

    Is this number prime or composite?

    69
  4. 4.

    Is this number prime or composite?

    31
  5. 5.

    Is this number prime or composite?

    43
  6. 6.

    Is this number prime or composite?

    15
  7. 7.

    Is this number prime or composite?

    39
  8. 8.

    Is this number prime or composite?

    25
  9. 9.

    Is this number prime or composite?

    19
  10. 10.

    Is this number prime or composite?

    11
  11. 11.

    Is this number prime or composite?

    51
  12. 12.

    Is this number prime or composite?

    49