Year 4 Area and Perimeter Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the Year 4 area & perimeter worksheet.
Year 4 · Mathematics · Area & Perimeter
Year 4 Area and Perimeter Worksheet — Level 1 — Answers
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Write the formula, substitute, then calculate. Include units.
1.A rectangle is 10 m long and 9 m wide. Find its perimeter.
Answer: 38 m
- P = 2 × (10 + 9)
- = 2 × 19 = 38 m
2.A rectangle is 2 mm long and 5 mm wide. Find its perimeter.
Answer: 14 mm
- P = 2 × (2 + 5)
- = 2 × 7 = 14 mm
3.A rectangle is 5 m long and 8 m wide. Find its perimeter.
Answer: 26 m
- P = 2 × (5 + 8)
- = 2 × 13 = 26 m
4.A rectangle is 4 m long and 9 m wide. Find its perimeter.
Answer: 26 m
- P = 2 × (4 + 9)
- = 2 × 13 = 26 m
5.A rectangle is 4 mm long and 4 mm wide. Find its area.
Answer: 16 mm2
- A = length × width = 4 × 4
- = 16 mm2
6.A rectangle is 4 mm long and 3 mm wide. Find its perimeter.
Answer: 14 mm
- P = 2 × (4 + 3)
- = 2 × 7 = 14 mm
7.A rectangle is 5 mm long and 12 mm wide. Find its area.
Answer: 60 mm2
- A = length × width = 5 × 12
- = 60 mm2
8.A rectangle is 12 cm long and 9 cm wide. Find its perimeter.
Answer: 42 cm
- P = 2 × (12 + 9)
- = 2 × 21 = 42 cm
9.A rectangle is 9 m long and 9 m wide. Find its area.
Answer: 81 m2
- A = length × width = 9 × 9
- = 81 m2
10.A rectangle is 8 mm long and 11 mm wide. Find its perimeter.
Answer: 38 mm
- P = 2 × (8 + 11)
- = 2 × 19 = 38 mm
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