Chapter 3 Vocabulary Crossword Puzzle

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