7th Grade Area and Perimeter Worksheet — Level 1 — Practice Set 2 — Answers
Answer sheet with worked solutions for the 7th Grade area & perimeter worksheet.
7th Grade Area and Perimeter Worksheet — Level 1 — Practice Set 2 — Answers
Write the formula, substitute, then calculate. Include units.
1.A rectangle is 7 m long and 8 m wide. Find its area.
Answer: 56 m2
- A = length × width = 7 × 8
- = 56 m2
2.A rectangle is 4 mm long and 11 mm wide. Find its area.
Answer: 44 mm2
- A = length × width = 4 × 11
- = 44 mm2
3.A rectangle is 5 m long and 3 m wide. Find its area.
Answer: 15 m2
- A = length × width = 5 × 3
- = 15 m2
4.A rectangle is 11 mm long and 4 mm wide. Find its area.
Answer: 44 mm2
- A = length × width = 11 × 4
- = 44 mm2
5.A rectangle is 4 cm long and 3 cm wide. Find its area.
Answer: 12 cm2
- A = length × width = 4 × 3
- = 12 cm2
6.A rectangle is 11 mm long and 8 mm wide. Find its area.
Answer: 88 mm2
- A = length × width = 11 × 8
- = 88 mm2
7.A rectangle is 3 cm long and 7 cm wide. Find its area.
Answer: 21 cm2
- A = length × width = 3 × 7
- = 21 cm2
8.A rectangle is 10 cm long and 8 cm wide. Find its area.
Answer: 80 cm2
- A = length × width = 10 × 8
- = 80 cm2
9.A rectangle is 9 cm long and 2 cm wide. Find its area.
Answer: 18 cm2
- A = length × width = 9 × 2
- = 18 cm2
10.A rectangle is 11 cm long and 7 cm wide. Find its area.
Answer: 77 cm2
- A = length × width = 11 × 7
- = 77 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.