Number work

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Across
  1. 1. 7x9
  2. 3. 10 cubed +8 squared
  3. 4. The cube root of 1000
  4. 5. Multiply the cube root of 27 by 8
  5. 6. 14 squared
  6. 7. 3x5+2x2
  7. 8. Multiply the square root of 81 by 8
  8. 9. 9x11x10
  9. 10. -11x-11
  10. 12. Use long multiplication to work out 25 squared
  11. 14. 7x12
  12. 16. 11x12
  13. 17. 3x3x10x10x10
  14. 18. 8 squared + 6 squared
Down
  1. 2. 6x12x5
  2. 3. 12 squared
  3. 4. 13x13
  4. 5. Use your calculator to work out 6 cubed
  5. 6. The square root of 144
  6. 7. -9x-12
  7. 8. Use your calculator to work out the square root of 5625
  8. 10. 5 cubed
  9. 11. 100 squared
  10. 13. (-15)x-15
  11. 15. 7x7
  12. 16. The square root of 100
  13. 18. The square root of 121