Properties of and operations on numbers

12345678910111213141516
Across
  1. 5. 7(5 - 6) = 7x5 - 7x6
  2. 6. ab = ba
  3. 9. (1 + 2) + 4 = 1 + (2 + 4)
  4. 11. result of an addition
  5. 13. result of a subtraction
  6. 15. result of multiplying two negative numbers
  7. 16. result of 0 x 1,000,000
Down
  1. 1. result of multiplication
  2. 2. result of a division
  3. 3. s(rt) = (sr)t
  4. 4. 1 x 5 = 5
  5. 7. 4 = 4 + 0
  6. 8. result of dividing a positive number by a negative number
  7. 10. 4 + (-5) = -5 + 4
  8. 12. result of 5 / 0
  9. 14. result of an exponentiation