Across
- 1. The result of multiplication.
- 2. One fourth of a whole.
- 3. An angle greater than 90 degrees.
- 5. Where three faces of a 3D shape meet.
- 6. The top of a pyramid.
- 9. The place holder between ten and thousand.
Down
- 1. A number divisible by one and itself only.
- 4. A pyramid made entirely of triangles.
- 7. Where two faces meet and form a line.
- 8. The result of addition.