Across
- 4. 90 degrees and 120 Degrees are part of what family
- 6. What is this +?
- 8. What is this -?
- 9. Something that's part of a hole
- 10. what do you call this format 1+1=2?
Down
- 1. What is this ÷?
- 2. The inside of a shape
- 3. What you use to calculate something fast
- 5. what this crossword is about
- 7. A shape with 3 sides