#s 1-100 review

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Across
  1. 1. Number of items in a pair
  2. 5. 5x20=
  3. 6. 7+2=
  4. 10. 80+8=
  5. 13. 2x3=
  6. 15. five dozens
  7. 16. 8-5=
  8. 17. Name of the sign for subtraction
  9. 18. 1/2 century= ___ years
  10. 19. Spanish for multiplication
Down
  1. 2. One fewer than a dozen
  2. 3. How many
  3. 4. 50-10=
  4. 7. 1-0=
  5. 8. 4+4=
  6. 9. 56/4=
  7. 11. 70-40=
  8. 12. How much
  9. 14. 1 hour and 10 minutes= ___ minutes