Across
- 3. the second number in an ordered pair
- 7. a vertical number on a coordinate plane
- 8. any integer greater than zero
- 10. a plane formed by a horizontal line called the x-axis and a vertical line called the y-axis
- 11. the set of whole numbers and their opposites
- 12. a pair of numbers used to locate a point on a grid
Down
- 1. any integer less than zero
- 2. a figure has this if it can be folded about a line so that its two parts match
- 4. two numbers that are the same distance, but in opposite directions, from zero on a number line
- 5. a line that divides a figure into two halves that are reflections of each other
- 6. the distance of an integer from zero on a number line
- 9. the first number in an ordered pair