Math Review

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Across
  1. 9. =
  2. 11. 70+80=
  3. 13. What's the next number: 24,27,30,__
  4. 16. 2,4,6,8,10
  5. 17. -
  6. 18. 1 2 3 4 5 6 7 8 9
  7. 20. Fifty cents.
Down
  1. 1. $1
  2. 2. 23+44=
  3. 3. What is this: 2->4 6->12 18->36
  4. 4. Where do you keep your money?
  5. 5. "+ - =" are all this.
  6. 6. What's the next number: 64, 68, 72, __
  7. 7. +
  8. 8. One cent coin.
  9. 10. Twenty-five cent coin.
  10. 12. Ten cent coin.
  11. 14. 5+7=
  12. 15. Five cent coin.
  13. 19. 1,3,5,7,9