Across
- 3. is equal all around, triangle
- 7. changes a shape
- 8. Part of transformation: a mirror image
- 9. 2 out of 3 are the same part of the triangle
Down
- 1. same on the other side
- 2. Opposite of division
- 4. Triangles' angles doubled
- 5. opposite of addition
- 6. goes on forever
- 10. One plus one is a