vocabulary project

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Across
  1. 4. 2 to the 4 power
  2. 6. +
  3. 8. only positive or negative numbers
  4. 11. -
  5. 12. owing money
  6. 13. to get something taken away
  7. 14. when you purchase some thing you get ______
Down
  1. 1. a line you put numbers on
  2. 2. 3*3=9
  3. 3. 3+4=4+3
  4. 4. 3=3
  5. 5. the answer to problems
  6. 7. 1 -1
  7. 9. to get some money
  8. 10. a+a+b