1. Use 2 pieces to make a triangle worth 10 points.

2. Use 2 pieces to make a square of 9 points.

3. Use 2 pieces to make a trapezoid worth 10 points.

4. Use 3 pieces to make a 12-point rectangle.

5. Use 3 pieces to make a 16-point square.

6. Use 3 pieces to create a 15-point parallelogram.

7. Use 4 pieces to make a 14-point square.

8. Use 4 pieces for a rectangle that equals 18 points.
  or  

9. Use 4 pieces to make a square of 20 points.

10. Use 5 pieces to create a 25-point parallelogram.

11. Use 5 pieces to make a trapezoid of 25 points.

12. Use 5 pieces to make a 22-point rectangle.