Year 8 Area and Perimeter Worksheet — Level 1 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 8 area & perimeter worksheet.
Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · Area & PerimeterYear 8 Area and Perimeter Worksheet — Level 1 — Practice Set 2 — Answers
Write the formula, substitute, then calculate. Include units.
1.A rectangle is 3 mm long and 7 mm wide. Find its area.
Answer: 21 mm2
- A = length × width = 3 × 7
- = 21 mm2
2.A rectangle is 11 mm long and 7 mm wide. Find its area.
Answer: 77 mm2
- A = length × width = 11 × 7
- = 77 mm2
3.A rectangle is 2 cm long and 12 cm wide. Find its area.
Answer: 24 cm2
- A = length × width = 2 × 12
- = 24 cm2
4.A rectangle is 6 mm long and 8 mm wide. Find its perimeter.
Answer: 28 mm
- P = 2 × (6 + 8)
- = 2 × 14 = 28 mm
5.A rectangle is 11 m long and 9 m wide. Find its area.
Answer: 99 m2
- A = length × width = 11 × 9
- = 99 m2
6.A rectangle is 3 cm long and 3 cm wide. Find its perimeter.
Answer: 12 cm
- P = 2 × (3 + 3)
- = 2 × 6 = 12 cm
7.A rectangle is 10 m long and 3 m wide. Find its area.
Answer: 30 m2
- A = length × width = 10 × 3
- = 30 m2
8.A rectangle is 3 mm long and 3 mm wide. Find its area.
Answer: 9 mm2
- A = length × width = 3 × 3
- = 9 mm2
9.A rectangle is 5 cm long and 4 cm wide. Find its perimeter.
Answer: 18 cm
- P = 2 × (5 + 4)
- = 2 × 9 = 18 cm
10.A rectangle is 9 mm long and 5 mm wide. Find its perimeter.
Answer: 28 mm
- P = 2 × (9 + 5)
- = 2 × 14 = 28 mm
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