quarter one project

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