project crossword puzzle

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Across
  1. 1. the average of numbers
  2. 4. line on the graph that runs vertically (up and down)
  3. 5. the most frequent number
  4. 7. to become progressively less
  5. 10. a line that runs right to left across the page
  6. 13. place the numbers in value order and find the middle number
  7. 15. a number sentence where one side equals the other
  8. 16. a number or symbol by which another number or symbol is multiplied
  9. 18. expressions that include variables, coefficients, and exponents
  10. 19. a relationship between two expressions or values that are not equal
  11. 20. involving the second and no higher power of an unknown quantity or variable
  12. 21. a geometric transformation resulting in a mirror image
  13. 24. a number that divides another number, leaving no remainder
  14. 25. a straight line
  15. 26. a straight line joining two nonadjacent vertices of a shape
  16. 28. line on the graph that runs horizontally (left and right)
  17. 29. moving a shape into a different position, without changing it in any way
Down
  1. 2. mathematics that includes addition or subtraction
  2. 3. a point where two or more line segments meet
  3. 6. the reciprocal of a number is 1 divided by that number
  4. 8. describes how straight a line is
  5. 9. a ratio between two measurements using different units
  6. 11. mathematics that includes multiplication or division
  7. 12. opposite operations-one reverses the effect of the other
  8. 14. to become progressively greater
  9. 17. find numerical expression or equivalent for an equation, formula, or function
  10. 18. a plane curve drawn so that any point on it is the same distance from the focus and the directrix
  11. 22. a mathematical relationship or rule expressed in symbols
  12. 23. a number that states how many times the base number is to be used in multiplication
  13. 27. a line that runs up and down a page or shape from top to bottom