algebra crossword

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Across
  1. 3. the answer to a multiplication problem
  2. 6. the answer to a subtraction problem
  3. 8. the answer to a addition sign
  4. 9. the letter that takes the place of a number
  5. 10. the number used to multiply a variable
  6. 11. the answer to a division problem
Down
  1. 1. a mathematical phrase with an equal
  2. 2. numbers that multiply together to get another number
  3. 4. a number by itself
  4. 5. tells weather its multiplication,division,adding,subtracting
  5. 7. mathematical phrase with out a equal sign
  6. 12. a single number or variable separated by a + or - sign