math puzzle

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Across
  1. 3. unit of length = 39.37 inches
  2. 5. adding the amount of numbers that tells you to multiply
  3. 6. the study of shapes, numbers, symbols / known to affect students GPA’s
  4. 8. Numbers that are going to be divided, can equal to a whole or decimal
  5. 9. the measurement
  6. 11. Going further in detail
  7. 13. a chart showing the comparisons of other numbers
  8. 14. an example giving directions on how to solve the problem
  9. 16. a number equivalent to the other side
  10. 17. number that is most frequent
  11. 18. number under 0
  12. 20. all sides have the same length
Down
  1. 1. the math of shapes
  2. 2. the middle number
  3. 4. a problem containing an equal sign
  4. 7. how much it weighs
  5. 9. thousandth of a meter
  6. 10. considering to be same as another thing
  7. 12. the little number on top, multiplying it as many times as the base number
  8. 15. the measure of how big is something
  9. 19. adding all numbers and divide by how many numbers there are