Math Crossword Puzzle #1

12345678910111213141516171819202122
Across
  1. 4. A fraction whose numerator is larger than the denominator
  2. 6. Greatest Common Factor
  3. 9. The number being subtracted from.
  4. 10. information that has been collected
  5. 12. Weight measurement for very heavy items
  6. 13. Number above the line in a fraction.
  7. 15. A letter used to represent a number
  8. 17. Answer to an addition problem
  9. 18. 1,000 years
  10. 19. Four cups equal one of these
  11. 20. 90° angle
  12. 21. Number being multiplied
Down
  1. 1. Eight sided polygon
  2. 2. Fractions that are equal (2 words)
  3. 3. Shapes that are the same shape and size
  4. 5. 90 + 8 + 0.4 + 0.05 (2 words)
  5. 7. Any polygon with 4 sides
  6. 8. 10 years
  7. 11. Two places to the right of the decimal point
  8. 14. When water is 212°F
  9. 16. Mathematical phrase
  10. 22. 100 years