math puzzle

123456789101112131415
Across
  1. 2. The Velocity of somthing
  2. 3. A math problem without an answer
  3. 6. How hot or cold it is
  4. 8. putting money in the bank
  5. 10. is used with numbers and letters and numbers also has Multiplication, Subtraction, Addition, and Division.
  6. 11. found by doing speed x time
  7. 14. Vector with doth direction and.....
  8. 15. The opposite of a number
Down
  1. 1. How fast somthing is going or the speed of it
  2. 4. ​to make somthing bigger or longer
  3. 5. Somthing that is the exact different thing
  4. 7. taking money out of a bank
  5. 9. The opposite of negative
  6. 12. The opposite of Positive
  7. 13. to make somthing smaller or shorter