AO-Math

12345678910
Across
  1. 3. is equal all around, triangle
  2. 7. changes a shape
  3. 8. Part of transformation: a mirror image
  4. 9. 2 out of 3 are the same part of the triangle
Down
  1. 1. same on the other side
  2. 2. Opposite of division
  3. 4. Triangles' angles doubled
  4. 5. opposite of addition
  5. 6. goes on forever
  6. 10. One plus one is a