1. Area & Perimeter – Mixed Polygons – Treasure Trail
Individual students (or pairs) can start the trail at any question poster.
Once they have calculated the answer they should then find the poster that has that answer at the top. Students go from one question to the next until they have completed the full circular trail.
Students should record the letters of the
questions they have completed.
(Clear plastic wallets around your classroom
make it quick and easy to display posters.)

2. Printing To print full page posters - Click:
File > Print. Enter ‘4-20’ in ‘Slides:’ or
Click on the section title to highlight all posters.
To print half-size posters -
File > Print. Select ‘Full Page Slides’, then ‘2 Slides’.

3. Area & Perimeter

4. 46 cm P
The perimeter of this shape is 30 cm. Find 𝑥.
𝑥 cm
2 cm

5. 20 cm A
The area of this compound shape is 80 cm2. Find 𝑥.
𝑥 cm
4 cm

6. 80 cm2 E
Find the perimeter of this shape.
8 cm
6 cm

7. 81 cm2 d
Find the area of this shape.
7 cm
8 cm
6 cm

8. 180 cm2 L
Find the perimeter of this shape.
8 cm
3 cm

9. 54 cm I
Find the shaded area.
4 cm
6 cm
9 cm

10. 32 cm J
Find the perimeter of this shape.
3 cm
2 cm

11. 8 H
Find the area of this shape.
9 cm
7 cm
5 cm
13 cm

12. 4 G
The area of this shape is 72 cm2. Find 𝑥.
𝑥 cm
3 cm

13. 18 cm2 C
Find the perimeter of this shape.
5 cm
6 cm

14. f
50 cm2
The perimeter of this shape is 20 cm. Find 𝑥.
𝑥 cm
2 cm

15. 55 cm2 O
Find the area of this shape.
14 cm
7 cm
6 cm
5 cm
5 cm
8 cm

16. 85 cm2 B
Find the perimeter of this shape.
8 cm
6 cm
5 cm

17. K 5
Find the area of this shape. The parallelograms are congruent.
10 cm
8 cm
5 cm

18. 32 cm M
Find the area of this shape.
8 cm
6 cm
5 cm
12 cm

19. 6 N
Find the area of this shape.
10 cm
3 cm

20. J 20 cm 180 cm2 M 50 cm2 B 46 cm A 8 54 cm F 4 P 5 H 55 cm2 I 18 cm2 G
Teacher’s Answer Sheet
Sheet
Answer J
20 cm D
180 cm2 M
50 cm2 B
46 cm A 8 L
54 cm F 4 P 5 H
55 cm2 I
18 cm2 G 6 K
80 cm2 O
81 cm2 C
32 cm N
85 cm2 E

21. answers j a h o d l i e c k m p b n g f

22. Answer Sheet
Sheet
Answer

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