Numbers

123456789
Across
  1. 4. 3 times 3
  2. 6. 2 times 2
  3. 7. 7 plus 4
  4. 9. 1 less than 20
Down
  1. 1. a dozen
  2. 2. 13 minus 8
  3. 3. 7 plus 8
  4. 4. 4 plus 6
  5. 5. 21 minus 14
  6. 8. 18 minus 12