Year 6 Area and Perimeter Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 6 area & perimeter worksheet.
Year 6 Area and Perimeter Worksheet — Level 1 — Practice Set 3 — Answers
Write the formula, substitute, then calculate. Include units.
1.A rectangle is 2 mm long and 10 mm wide. Find its area.
Answer: 20 mm2
- A = length × width = 2 × 10
- = 20 mm2
2.A rectangle is 6 cm long and 12 cm wide. Find its perimeter.
Answer: 36 cm
- P = 2 × (6 + 12)
- = 2 × 18 = 36 cm
3.A rectangle is 2 cm long and 5 cm wide. Find its area.
Answer: 10 cm2
- A = length × width = 2 × 5
- = 10 cm2
4.A rectangle is 9 cm long and 7 cm wide. Find its perimeter.
Answer: 32 cm
- P = 2 × (9 + 7)
- = 2 × 16 = 32 cm
5.A rectangle is 12 cm long and 3 cm wide. Find its area.
Answer: 36 cm2
- A = length × width = 12 × 3
- = 36 cm2
6.A rectangle is 9 mm long and 9 mm wide. Find its perimeter.
Answer: 36 mm
- P = 2 × (9 + 9)
- = 2 × 18 = 36 mm
7.A rectangle is 8 cm long and 10 cm wide. Find its perimeter.
Answer: 36 cm
- P = 2 × (8 + 10)
- = 2 × 18 = 36 cm
8.A rectangle is 10 mm long and 6 mm wide. Find its area.
Answer: 60 mm2
- A = length × width = 10 × 6
- = 60 mm2
9.A rectangle is 8 mm long and 5 mm wide. Find its area.
Answer: 40 mm2
- A = length × width = 8 × 5
- = 40 mm2
10.A rectangle is 11 cm long and 10 cm wide. Find its area.
Answer: 110 cm2
- A = length × width = 11 × 10
- = 110 cm2
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.