Across
- 3. 3-d square
- 4. 12 ÷ 2
- 6. Shape with many sides
- 9. 5m + 4m
- 10. a+3b
- 11. Inside the shape
- 13. -1
- 14. 1/2
- 15. Flip a coin and it land on heads
Down
- 1. 4 x 1
- 2. 3-d rectangle
- 5. Triangle with two angles the same
- 6. Outside the shape
- 7. 4(x + 3)
- 8. 9 - 8
- 10. 8+2
- 12. Triangle with an angle of 90 degree