Math crossword

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Across
  1. 2. the non broken down version of an equation
  2. 6. the answer to a multiplication problem
  3. 8. to closely look at or observe
  4. 9. the answer to a subtraction problem
  5. 10. how to measure quantity in mathematical expressions
  6. 12. the number that is left alone and is not a coefficient
  7. 13. any whole number that is positive or negative
  8. 15. property changing the order of factors but it does not change the sum or product
  9. 16. a mathematical problem
  10. 17. the answer to a division problem
  11. 19. the answer to an addition problem
Down
  1. 1. The number attached to a variable
  2. 3. an ordered pair of numbers
  3. 4. the least amount of multiplication to make the numbers match
  4. 5. a letter that makes a number a coefficient or a letter within a math problem that signs multiplication or division
  5. 6. parts of a whole (specifically out of 100)
  6. 7. property when the factors are written as the sum but the product does not change
  7. 11. property occurs when you can move your numbers in groups around in any way and the answer is still the same
  8. 14. the biggest number able to match both numbers
  9. 18. a term is any number that could be added or subtracted