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Year 5 Area and Perimeter Worksheet — Level 3 — Answers

Answer sheet with worked solutions for the Year 5 area & perimeter worksheet.

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Success TutoringWorksheetsAnswer sheetYear 5 · Mathematics · Area & Perimeter

Year 5 Area and Perimeter Worksheet — Level 3 — Answers

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

1.A triangle has a base of 4 cm and a perpendicular height of 14 cm. Find its area.

Answer: 28 cm2

  1. A = ½ × base × height = ½ × 4 × 14
  2. = 28 cm2
2.A rectangle is 22 m long and 9 m wide. Find its area.

Answer: 198 m2

  1. A = length × width = 22 × 9
  2. = 198 m2
3.A rectangle is 26 m long and 19 m wide. Find its area.

Answer: 494 m2

  1. A = length × width = 26 × 19
  2. = 494 m2
4.An L-shape is made from a 25 m by 11 m rectangle joined to a 8 m by 11 m rectangle. Find the total area.

Answer: 363 m2

  1. Rectangle 1: 25 × 11 = 275
  2. Rectangle 2: 8 × 11 = 88
  3. Total: 275 + 88 = 363 m2
5.An L-shape is made from a 14 cm by 9 cm rectangle joined to a 11 cm by 4 cm rectangle. Find the total area.

Answer: 170 cm2

  1. Rectangle 1: 14 × 9 = 126
  2. Rectangle 2: 11 × 4 = 44
  3. Total: 126 + 44 = 170 cm2
6.A rectangle is 16 cm long and 19 cm wide. Find its area.

Answer: 304 cm2

  1. A = length × width = 16 × 19
  2. = 304 cm2
7.A rectangle is 22 mm long and 19 mm wide. Find its area.

Answer: 418 mm2

  1. A = length × width = 22 × 19
  2. = 418 mm2
8.A rectangle is 23 cm long and 7 cm wide. Find its area.

Answer: 161 cm2

  1. A = length × width = 23 × 7
  2. = 161 cm2
9.An L-shape is made from a 12 cm by 3 cm rectangle joined to a 9 cm by 6 cm rectangle. Find the total area.

Answer: 90 cm2

  1. Rectangle 1: 12 × 3 = 36
  2. Rectangle 2: 9 × 6 = 54
  3. Total: 36 + 54 = 90 cm2
10.An L-shape is made from a 12 m by 14 m rectangle joined to a 10 m by 3 m rectangle. Find the total area.

Answer: 198 m2

  1. Rectangle 1: 12 × 14 = 168
  2. Rectangle 2: 10 × 3 = 30
  3. Total: 168 + 30 = 198 m2
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