math crossword

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Across
  1. 3. what happenes when food rots
  2. 5. positive or negitive whole numbers
  3. 8. a fraction that is improper
  4. 11. the order in which we solve problems
  5. 12. a letter that represents a number we don't know
  6. 13. you can move numbers and expoents past the = sign as long as you do its oppisite to each side
  7. 14. a straight line
  8. 15. without an equal sign
Down
  1. 1. you mulitply numbers by other ones
  2. 2. a letter we dont know
  3. 4. a 2 on top of another number
  4. 6. a fraction that is proper
  5. 7. line on a graph
  6. 9. a hill
  7. 10. a number