Across
- 7. The measurement inside a 2D shape
- 10. The opposite of subtraction
- 11. This word normally comes before point or place
- 13. The opposite of addition
- 14. 3.14
- 16. A shape with four sides
Down
- 1. The measurement inside a 3D shape
- 2. A shape with five sides
- 3. Famous for x
- 4. The opposite of multiplication
- 5. The opposite of division
- 6. The philosopher who created a theorem on triangles
- 8. 90 is right
- 9. A shape with six sides
- 12. A number without a decimal or a fraction
- 15. A number with a line in the middle