4th Grade Area and Perimeter Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the 4th Grade area & perimeter worksheet.
Success TutoringWorksheetsAnswer sheet4th Grade · Mathematics · Area & Perimeter4th Grade Area and Perimeter Worksheet — Level 1 — Answers
Write the formula, substitute, then calculate. Include units.
1.A rectangle is 5 cm long and 7 cm wide. Find its area.
Answer: 35 cm2
- A = length × width = 5 × 7
- = 35 cm2
2.A rectangle is 12 mm long and 3 mm wide. Find its perimeter.
Answer: 30 mm
- P = 2 × (12 + 3)
- = 2 × 15 = 30 mm
3.A rectangle is 3 m long and 4 m wide. Find its area.
Answer: 12 m2
- A = length × width = 3 × 4
- = 12 m2
4.A rectangle is 3 mm long and 2 mm wide. Find its area.
Answer: 6 mm2
- A = length × width = 3 × 2
- = 6 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 12 cm long and 3 cm wide. Find its area.
Answer: 36 cm2
- A = length × width = 12 × 3
- = 36 cm2
7.A rectangle is 8 m long and 7 m wide. Find its perimeter.
Answer: 30 m
- P = 2 × (8 + 7)
- = 2 × 15 = 30 m
8.A rectangle is 12 mm long and 8 mm wide. Find its perimeter.
Answer: 40 mm
- P = 2 × (12 + 8)
- = 2 × 20 = 40 mm
9.A rectangle is 5 cm long and 9 cm wide. Find its area.
Answer: 45 cm2
- A = length × width = 5 × 9
- = 45 cm2
10.A rectangle is 7 m long and 2 m wide. Find its area.
Answer: 14 m2
- A = length × width = 7 × 2
- = 14 m2
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.