chapter 3 vocab Crossword puzzle

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Across
  1. 2. a pair of numbers used to locate a number on a grid.
  2. 4. the first number in an ordered pair; tells the distance to move left or right from (0,0)
  3. 5. any number that can be written as a ratio where a and b are integers
  4. 7. distance of integer from zero on number line.
  5. 10. any integer greater than zero
  6. 11. a plane formed by a horizontal line called the x-axis and a vertical line called the y-axis.
  7. 13. a figure has line symmetry if it can be folded about a line so that it's two parts match exactly.
  8. 14. the horizontal number line on a coordinate plane
  9. 15. the second number in an ordered pair tells the distance to move up or down from (0,0)
  10. 16. two numbers that are the same distance, but in opposite directions, from zero on a number line.
Down
  1. 1. any integer less than zero.
  2. 3. the point where the two axes of a coordinate plane intersect (0,0)
  3. 6. the vertical number line on a coordinate plane
  4. 8. the four regions of the coordinate plane separated by the x- and y-axes.
  5. 9. a line that divides a figure into two halves that are reflections of each other.
  6. 12. the set of whole numbers and their opposites.