quarter one project

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Across
  1. 2. the answer to an addition problem
  2. 8. any (positive) integer larger than 1; its only factors are itself and 1
  3. 9. when you multiply by negative one the signs change
  4. 12. to multiply reciprocals and get 1
  5. 13. to add opposites
  6. 15. any number the tis a coordinate of a point on the real number line
  7. 16. the answer to a multiplication problem
  8. 17. a letter that represents a number; the unknown
  9. 18. value the distance from 0 on a number line
Down
  1. 1. any (positive) integer larger than 1; not prime
  2. 2. answer; value that makes the statement true
  3. 3. expression combination of numbers, variable, and operation symbols
  4. 4. change around the sides of equal signs in an equation
  5. 5. multiplication distributes over addition
  6. 6. set of all the elements that are in either A or B
  7. 7. the answer to a division problem
  8. 10. any two real numbers the same distance from 0, but in opposite directions (different sides) of 0 on a number line
  9. 11. the answer to a subtraction problem
  10. 14. set of elements that are in both A and B
  11. 19. isolating the variable to one side of the equation; has an invisible (positive) one in front of it