Success TutoringWorksheets

Year 7 Area and Perimeter Worksheet — Level 3 — Practice Set 3 — Answers

Answer sheet with worked solutions for the Year 7 area & perimeter worksheet.

Download answers PDFPrint answersBack to worksheet
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Area & Perimeter

Year 7 Area and Perimeter Worksheet — Level 3 — Practice Set 3 — Answers

Write the formula, substitute, then calculate. Include units.

1.A rectangle is 17 cm long and 6 cm wide. Find its area.

Answer: 102 cm2

  1. A = length × width = 17 × 6
  2. = 102 cm2
2.A rectangle is 24 m long and 17 m wide. Find its area.

Answer: 408 m2

  1. A = length × width = 24 × 17
  2. = 408 m2
3.An L-shape is made from a 19 mm by 9 mm rectangle joined to a 13 mm by 10 mm rectangle. Find the total area.

Answer: 301 mm2

  1. Rectangle 1: 19 × 9 = 171
  2. Rectangle 2: 13 × 10 = 130
  3. Total: 171 + 130 = 301 mm2
4.A rectangle is 13 mm long and 4 mm wide. Find its area.

Answer: 52 mm2

  1. A = length × width = 13 × 4
  2. = 52 mm2
5.An L-shape is made from a 29 m by 10 m rectangle joined to a 10 m by 5 m rectangle. Find the total area.

Answer: 340 m2

  1. Rectangle 1: 29 × 10 = 290
  2. Rectangle 2: 10 × 5 = 50
  3. Total: 290 + 50 = 340 m2
6.An L-shape is made from a 23 cm by 13 cm rectangle joined to a 10 cm by 15 cm rectangle. Find the total area.

Answer: 449 cm2

  1. Rectangle 1: 23 × 13 = 299
  2. Rectangle 2: 10 × 15 = 150
  3. Total: 299 + 150 = 449 cm2
7.An L-shape is made from a 8 cm by 3 cm rectangle joined to a 7 cm by 6 cm rectangle. Find the total area.

Answer: 66 cm2

  1. Rectangle 1: 8 × 3 = 24
  2. Rectangle 2: 7 × 6 = 42
  3. Total: 24 + 42 = 66 cm2
8.A triangle has a base of 10 mm and a perpendicular height of 8 mm. Find its area.

Answer: 40 mm2

  1. A = ½ × base × height = ½ × 10 × 8
  2. = 40 mm2
9.An L-shape is made from a 28 m by 2 m rectangle joined to a 21 m by 7 m rectangle. Find the total area.

Answer: 203 m2

  1. Rectangle 1: 28 × 2 = 56
  2. Rectangle 2: 21 × 7 = 147
  3. Total: 56 + 147 = 203 m2
10.A rectangle is 9 m long and 13 m wide. Find its area.

Answer: 117 m2

  1. A = length × width = 9 × 13
  2. = 117 m2
Free worksheets at worksheets.successtutoring.com · © Success Tutoring · Free for personal and classroom use

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.

Great work. Here's what to try next: