Vocabulary crossword puzzle

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Across
  1. 2. the result of a multiplication problem
  2. 4. a letter representing a quantity
  3. 7. the result of a division problem
  4. 9. a number which multiplies a variable
  5. 11. numbers a number without fractions a counting number from zero to infinity
  6. 12. the result of an addition problem
  7. 13. a fixed value or quantity that does not change its value
  8. 14. a group of mathematical numbers and or symbols representing a number or quantity
  9. 16. of operations the rules to be followed when simplifying expression
Down
  1. 1. to replace one element of a mathematical equation or expression with another
  2. 3. one part of an algebraic problem
  3. 5. terms term where the valuable is raised to the same power
  4. 6. a number or variable that multiplies with another number or variable to make a new expression
  5. 8. a numerical worth or amount
  6. 10. to find a numerical answer
  7. 15. commonly refers to addition subtraction multiplication and division