Math Vocabulary Words

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Across
  1. 2. when two expressions equal the same thing, they are _____
  2. 3. a letter used in place of an unknown number
  3. 5. a _____ representation represents an equation using words instead of numbers
  4. 7. the opposite of an operation or number
  5. 8. the point (0,0) on the coordinate plane
  6. 10. a mathematical phrase that contains an equal sign
  7. 15. determines the number of times a number is multiplied by itself
  8. 16. a mathematical phrase that contains numbers, variables, and operations
  9. 19. a two-dimensional grid used to locate points
  10. 20. the _____ property allows you to change the order of numbers without changing the solution
Down
  1. 1. addition, subtraction, division, or multiplication
  2. 4. the distance of a number from 0 on a number line
  3. 6. the _____ property allows us to multiply each term inside parentheses by the number outside the parentheses
  4. 9. alone
  5. 11. represented by the y-coordinates
  6. 12. the _____ property allows a number to be added to or multiplied by without changing the number
  7. 13. a process for simplifying expressions so that all answers are the same
  8. 14. terms that have the same variable with the same exponent
  9. 17. the _____ property allows you to group different sets of numbers together without changing the solution
  10. 18. represented by the x-coordinates