Wait, isn't this a math class?

12345678910111213141516
Across
  1. 1. What type of numbers are these? {0, 1, 2, 3, 4, 5}
  2. 3. What type of numbers are these? {-1, -2, -3, -4, -5}
  3. 8. What type of number is this? {-1.29042...}
  4. 10. -
  5. 12. +
  6. 13. 20 x 5
  7. 15. 3
  8. 16. Parentheses, Exponent, Multiplication, Division, Addition, Subtraction
Down
  1. 2. Put the letters in alphabetical __________ (a, b, c, d, e...)
  2. 4. 20 x 5 = 100
  3. 5. What type of numbers are these? {1, 2, 3, 4, 5}
  4. 6. Multiplication, Division, Addition, Subtraction, Exponent
  5. 7. 3/2
  6. 9. ( )
  7. 11. What type of numbers are these? {1/2, 0.3, 3.444, 3/4}
  8. 14. What type of numbers are these? {0, 1, -1, 1/2, 0.555, 0.5432...}