Across
- 5. add all side
- 8. pre-image/image
- 11. quotation or fraction
- 13. unit squares that cover the surface of a closed figure
- 16. never intersect
- 17. moves a shape up or down or from side to side
- 18. positive numbers
- 19. mirroring over a line
- 20. where it gets bigger or smaller
Down
- 1. difference between the highest and lowest values
- 2. turn counterclockwise
- 3. line passing from side to side
- 4. a big square
- 6. a positive natural number
- 7. formed by two rays
- 9. two variables plotted along two axes
- 10. the mean of a data set
- 12. 90 degree angle
- 14. three-dimensional solid
- 15. only one pair of parallel sides