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Tell prime numbers from composite numbers

6th grade (Year 7 in England) · 16 questions · Common Core: 4.OA.B.4 · England: Y5 Multiplication and division, KS3 Number

Name

Date

Score/ 16

  1. Question 1

    How many prime numbers are there between 30 and 40?

    Answer

  2. Question 2

    Only one of these numbers is prime. Which one?

    • A. 93
    • B. 91
    • C. 29
    • D. 49
  3. Question 3

    Is 24 prime or composite?

    • A. Prime
    • B. Composite
  4. Question 4

    How many prime numbers are there between 90 and 100?

    Answer

  5. Question 5

    Only one of these numbers is prime. Which one?

    • A. 27
    • B. 91
    • C. 67
    • D. 63
  6. Question 6

    Is 41 prime or composite?

    • A. Prime
    • B. Composite
  7. Question 7

    How many prime numbers are there between 80 and 90?

    Answer

  8. Question 8

    Only one of these numbers is prime. Which one?

    • A. 109
    • B. 119
    • C. 33
    • D. 49
  9. Question 9

    Is 14 prime or composite?

    • A. Prime
    • B. Composite
  10. Question 10

    How many prime numbers are there between 20 and 30?

    Answer

  11. Question 11

    Only one of these numbers is prime. Which one?

    • A. 113
    • B. 63
    • C. 77
    • D. 57
  12. Question 12

    Is 13 prime or composite?

    • A. Prime
    • B. Composite
  13. Question 13

    How many prime numbers are there between 70 and 80?

    Answer

  14. Question 14

    Only one of these numbers is prime. Which one?

    • A. 113
    • B. 87
    • C. 69
    • D. 63
  15. Question 15

    Is 78 prime or composite?

    • A. Prime
    • B. Composite
  16. Question 16

    How many prime numbers are there between 50 and 60?

    Answer

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Answer key: Tell prime numbers from composite numbers

  1. 1. 2

  2. 2. C. 29

  3. 3. B. Composite

  4. 4. 1

  5. 5. C. 67

  6. 6. A. Prime

  7. 7. 2

  8. 8. A. 109

  9. 9. B. Composite

  10. 10. 2

  11. 11. A. 113

  12. 12. A. Prime

  13. 13. 3

  14. 14. A. 113

  15. 15. B. Composite

  16. 16. 2