Year 7 Area and Perimeter Worksheet — Level 1 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 7 area & perimeter worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Area & PerimeterYear 7 Area and Perimeter Worksheet — Level 1 — Practice Set 4 — Answers
Write the formula, substitute, then calculate. Include units.
1.A rectangle is 9 mm long and 3 mm wide. Find its area.
Answer: 27 mm2
- A = length × width = 9 × 3
- = 27 mm2
2.A rectangle is 2 mm long and 5 mm wide. Find its area.
Answer: 10 mm2
- A = length × width = 2 × 5
- = 10 mm2
3.A rectangle is 7 cm long and 8 cm wide. Find its perimeter.
Answer: 30 cm
- P = 2 × (7 + 8)
- = 2 × 15 = 30 cm
4.A rectangle is 10 mm long and 12 mm wide. Find its area.
Answer: 120 mm2
- A = length × width = 10 × 12
- = 120 mm2
5.A rectangle is 4 m long and 8 m wide. Find its area.
Answer: 32 m2
- A = length × width = 4 × 8
- = 32 m2
6.A rectangle is 10 mm long and 5 mm wide. Find its perimeter.
Answer: 30 mm
- P = 2 × (10 + 5)
- = 2 × 15 = 30 mm
7.A rectangle is 7 mm long and 2 mm wide. Find its perimeter.
Answer: 18 mm
- P = 2 × (7 + 2)
- = 2 × 9 = 18 mm
8.A rectangle is 7 cm long and 11 cm wide. Find its area.
Answer: 77 cm2
- A = length × width = 7 × 11
- = 77 cm2
9.A rectangle is 9 mm long and 7 mm wide. Find its area.
Answer: 63 mm2
- A = length × width = 9 × 7
- = 63 mm2
10.A rectangle is 8 m long and 3 m wide. Find its perimeter.
Answer: 22 m
- P = 2 × (8 + 3)
- = 2 × 11 = 22 m
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