math terms

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Across
  1. 3. a line in some boxes
  2. 5. three point one four
  3. 7. squiggly line with two numbers
  4. 8. adding stuff together
  5. 12. not a letter
  6. 13. something times itself
  7. 15. thing over something with line in between
Down
  1. 1. taking things away
  2. 2. the thing above something to the right
  3. 4. i always forget them
  4. 6. something not times itself
  5. 9. something dividing something
  6. 10. something times something
  7. 11. not a number
  8. 14. the bane of my existence