Across
- 4. boundary
- 6. measurement of surface
- 9. principal times rate times time
- 12. egg shape
- 13. answer to divison
- 14. 4 sides, shiny gem
- 17. intersecting lines
- 18. 4 sides, two equal
- 19. 5 sides
- 21. 0 sides, round
Down
- 1. little number
- 2. top of fraction
- 3. placeholder for any value
- 4. answer to multiplication
- 5. 4 right angles
- 7. multiplied by itself
- 8. bottom of fraction
- 10. written as "fraction," "to," ":"
- 11. 3-D can
- 15. 8 sides
- 16. 6 sides
- 17. never intersecting
- 20. 3 sides