Across
- 2. The space inside a 2 dimensional shape.
- 5. The center of the coordinate plane.
- 7. A shape with four identical sides.
- 11. The distance around a figure.
- 12. The x-axis.
- 13. Numbers or variables separated by + and -.
- 14. The y-axis.
- 15. The number of tiles on figure 0.
Down
- 1. The coordinate plane is divided in 4.
- 3. Four squared.
- 4. The algebra tiles that are shaded.
- 6. To reduce or make an expression shorter.
- 8. Two cubed.
- 9. The unshaded algebra tiles.
- 10. Letters that represent numbers.