JP's Crossword puzzle

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Across
  1. 2. a sentence with a minimum of two numbers and at least one math operation
  2. 4. shows the direction or size that is absolute or relative
  3. 7. includes whole numbers and negative whole numbers
  4. 11. a number is 1 divided by that number
  5. 12. if 3 is a positive and -3 is negative, 3 is the _______ of -3
  6. 13. A number that has more than 0
  7. 15. a symbol for an unknown value in a equation
Down
  1. 1. the measurement of how far away something is
  2. 3. A number that is less than 0
  3. 5. making something bigger in quantity or size
  4. 6. making something smaller in quantity or size
  5. 8. the rate of travel of an object, along with its direction
  6. 9. a measurement of how hot or cold something is.
  7. 10. a special ratio in which the two terms are in different units.
  8. 14. The rate of change of position of an object in any direction