Maths Crossword Puzzle

1234567891011121314151617181920
Across
  1. 4. .What is (2.48 + 3.52) / (10 - 4)
  2. 5. 111111111 + 11111111 + 1111111 + 111111 + 11111 + 1111 + 111 + 11 + 1
  3. 7. 9 x 11 + 1 / 10 + 89
  4. 9. What is 10 to the power of 6 / 1000000
  5. 11. 5 x 30
  6. 12. What is (5 + 6) / (3 - 1)
  7. 13. What is (10 x 73) + (25 + 5)
  8. 16. 18 to the power of 10
  9. 19. 2000 + 13
Down
  1. 1. 99 to the power of 3
  2. 2. 12 to the power of 12
  3. 3. 6 squared + 3 cubed – 1 / 2
  4. 6. 6000 Squared
  5. 8. What is ((10 x 10) - 1) / 11
  6. 10. What is -3 x -5?
  7. 12. What is 500 x 10 / 2 + 2500
  8. 14. What is the square root of 144
  9. 15. 12 x 12 + 144 / 12
  10. 17. 22 / 7 to the nearest whole number
  11. 18. 144 squared
  12. 20. What is 10 x 10 x 10 x 10 x 10 x 10 x 0