Math and Spelling Challenge

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Across
  1. 4. 4 x 4 =
  2. 7. 20 + 5 =
  3. 8. 3,400
  4. 12. 2 x 60 =
  5. 13. 7 + 7 =
  6. 15. 17 + 9 =
  7. 17. 12 + 7 =
  8. 18. 6 x 2 =
  9. 20. 1,000
Down
  1. 1. 30 + 35 =
  2. 2. 40 x 2 =
  3. 3. 100 + 250 =
  4. 5. 3 + 2 =
  5. 6. 6,589 x 0 =
  6. 8. 1,000 x 10 =
  7. 9. 15 + 15 =
  8. 10. 33 x 3 =
  9. 11. 100 – 90 =
  10. 14. 3 x 3 =
  11. 16. 20 x 1 =
  12. 19. 4 x 10 =