Across
- 4. resembles a period
- 5. contained by space
- 7. measurement of a surface
- 8. boundary of a closed figure
- 10. when something doesn't add up
- 12. another word for number
- 14. has 3 angles
- 15. moving to the next closest number
Down
- 1. unseen line that can curve or go straight
- 2. a shape with 4 sides
- 3. goes in a certain order
- 6. a shape with 3 sides
- 9. divides without a remainder
- 11. equal number to be split
- 13. the result of adding