Square, cube and prime numbers

Worksheet: Square, cube and prime numbers

Name:Class:

Answer the questions.

1. Which of these is a square number?
   a) 45b) 48c) 49d) 52
2. What is 9 squared?
   a) 18b) 72c) 81d) 99
3. 36 is a square number.
   a) Trueb) False
4. What is the next square number after 64?
   a) 100b) 72c) 80d) 81
5. What is 2 cubed (2 × 2 × 2)?
   a) 16b) 4c) 6d) 8
6. Which of these is a cube number?
   a) 18b) 27c) 30d) 9
7. What is 5 cubed?
8. Which of these is a prime number?
   a) 39b) 47c) 49d) 51
9. The number 1 is a prime number.
   a) Trueb) False
10. Which prime number is even?
    a) 2b) 4c) 6d) 8
11. Which number is a factor of 24?
    a) 5b) 7c) 8d) 9
12. Which of these is a multiple of 7?
    a) 52b) 56c) 58d) 65
13. How many factors does 12 have in total?
14. What is 45 × 100?
    a) 405b) 45,000c) 450d) 4500
15. 7300 ÷ 100 = 73
    a) Trueb) False
16. What is 6.4 × 1000?