Year 7 Area and Perimeter Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the Year 7 area & perimeter worksheet.
Year 7 Area and Perimeter Worksheet — Level 1 — Answers
Write the formula, substitute, then calculate. Include units.
1.A rectangle is 9 mm long and 6 mm wide. Find its area.
Answer: 54 mm2
- A = length × width = 9 × 6
- = 54 mm2
2.A rectangle is 4 mm long and 8 mm wide. Find its area.
Answer: 32 mm2
- A = length × width = 4 × 8
- = 32 mm2
3.A rectangle is 5 m long and 6 m wide. Find its area.
Answer: 30 m2
- A = length × width = 5 × 6
- = 30 m2
4.A rectangle is 7 mm long and 12 mm wide. Find its area.
Answer: 84 mm2
- A = length × width = 7 × 12
- = 84 mm2
5.A rectangle is 11 mm long and 4 mm wide. Find its area.
Answer: 44 mm2
- A = length × width = 11 × 4
- = 44 mm2
6.A rectangle is 11 mm long and 11 mm wide. Find its area.
Answer: 121 mm2
- A = length × width = 11 × 11
- = 121 mm2
7.A rectangle is 4 mm long and 11 mm wide. Find its area.
Answer: 44 mm2
- A = length × width = 4 × 11
- = 44 mm2
8.A rectangle is 3 cm long and 5 cm wide. Find its area.
Answer: 15 cm2
- A = length × width = 3 × 5
- = 15 cm2
9.A rectangle is 12 cm long and 5 cm wide. Find its perimeter.
Answer: 34 cm
- P = 2 × (12 + 5)
- = 2 × 17 = 34 cm
10.A rectangle is 4 m long and 3 m wide. Find its area.
Answer: 12 m2
- A = length × width = 4 × 3
- = 12 m2
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.