7th Grade Area and Perimeter Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the 7th Grade area & perimeter worksheet.
7th Grade Area and Perimeter Worksheet — Level 1 — Answers
Write the formula, substitute, then calculate. Include units.
1.A rectangle is 11 m long and 11 m wide. Find its perimeter.
Answer: 44 m
- P = 2 × (11 + 11)
- = 2 × 22 = 44 m
2.A rectangle is 3 mm long and 9 mm wide. Find its perimeter.
Answer: 24 mm
- P = 2 × (3 + 9)
- = 2 × 12 = 24 mm
3.A rectangle is 4 cm long and 9 cm wide. Find its area.
Answer: 36 cm2
- A = length × width = 4 × 9
- = 36 cm2
4.A rectangle is 9 m long and 3 m wide. Find its perimeter.
Answer: 24 m
- P = 2 × (9 + 3)
- = 2 × 12 = 24 m
5.A rectangle is 4 mm long and 8 mm wide. Find its area.
Answer: 32 mm2
- A = length × width = 4 × 8
- = 32 mm2
6.A rectangle is 10 m long and 2 m wide. Find its area.
Answer: 20 m2
- A = length × width = 10 × 2
- = 20 m2
7.A rectangle is 11 cm long and 12 cm wide. Find its area.
Answer: 132 cm2
- A = length × width = 11 × 12
- = 132 cm2
8.A rectangle is 9 m long and 12 m wide. Find its area.
Answer: 108 m2
- A = length × width = 9 × 12
- = 108 m2
9.A rectangle is 8 m long and 11 m wide. Find its perimeter.
Answer: 38 m
- P = 2 × (8 + 11)
- = 2 × 19 = 38 m
10.A rectangle is 10 m long and 6 m wide. Find its area.
Answer: 60 m2
- A = length × width = 10 × 6
- = 60 m2
Marking tips
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