Math

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Across
  1. 3. 7 + _____ = 10
  2. 6. 9 + 6 =
  3. 9. 5 + 6 =
  4. 10. 9 + 10 =
  5. 11. 8 + 8 =
  6. 14. 20 + 70 =
Down
  1. 1. 2 + 2 + 2 + 2 =
  2. 2. 4 + 4 + 4 =
  3. 4. 6 + 4 =
  4. 5. 6 + 7 =
  5. 6. ____ - 7 = 7
  6. 7. 9 + 9 =
  7. 8. 20 - 3 =
  8. 12. 16 + 4 =
  9. 13. 45 - 5 =