Mental Math

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Across
  1. 1. 4 by the sum of 5 and 6 (use the distributive property).
  2. 2. half of the number that comes after 83.
  3. 3. 7 by 8.
  4. 4. 9 by 6 and then subtract 12.
  5. 9. Has a trunk
  6. 10. 75 from 125.
  7. 12. Likes to chase mice
  8. 14. Man's best friend
Down
  1. 1. 3 by 1 — which special multiplication rule is this?
  2. 5. times the number 18.
  3. 6. 3 × 7 equals 7 × 3, what multiplication rule is this?
  4. 7. Large marsupial
  5. 8. is left if you take away 47 from 100?
  6. 11. Flying mammal
  7. 13. 34 and 29 together.