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Year 6 Area and Perimeter Worksheet — Level 3 — Answers

Answer sheet with worked solutions for the Year 6 area & perimeter worksheet.

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Success TutoringWorksheetsAnswer sheetYear 6 · Mathematics · Area & Perimeter

Year 6 Area and Perimeter Worksheet — Level 3 — Answers

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

1.A triangle has a base of 6 cm and a perpendicular height of 11 cm. Find its area.

Answer: 33 cm2

  1. A = ½ × base × height = ½ × 6 × 11
  2. = 33 cm2
2.A rectangle is 25 cm long and 5 cm wide. Find its area.

Answer: 125 cm2

  1. A = length × width = 25 × 5
  2. = 125 cm2
3.A rectangle is 21 mm long and 3 mm wide. Find its area.

Answer: 63 mm2

  1. A = length × width = 21 × 3
  2. = 63 mm2
4.A triangle has a base of 15 cm and a perpendicular height of 13 cm. Find its area.

Answer: 97.5 cm2

  1. A = ½ × base × height = ½ × 15 × 13
  2. = 97.5 cm2
5.A rectangle is 16 mm long and 2 mm wide. Find its area.

Answer: 32 mm2

  1. A = length × width = 16 × 2
  2. = 32 mm2
6.A rectangle is 7 cm long and 10 cm wide. Find its area.

Answer: 70 cm2

  1. A = length × width = 7 × 10
  2. = 70 cm2
7.A triangle has a base of 4 m and a perpendicular height of 10 m. Find its area.

Answer: 20 m2

  1. A = ½ × base × height = ½ × 4 × 10
  2. = 20 m2
8.A rectangle is 7 cm long and 20 cm wide. Find its area.

Answer: 140 cm2

  1. A = length × width = 7 × 20
  2. = 140 cm2
9.An L-shape is made from a 18 mm by 7 mm rectangle joined to a 15 mm by 4 mm rectangle. Find the total area.

Answer: 186 mm2

  1. Rectangle 1: 18 × 7 = 126
  2. Rectangle 2: 15 × 4 = 60
  3. Total: 126 + 60 = 186 mm2
10.An L-shape is made from a 12 mm by 15 mm rectangle joined to a 11 mm by 5 mm rectangle. Find the total area.

Answer: 235 mm2

  1. Rectangle 1: 12 × 15 = 180
  2. Rectangle 2: 11 × 5 = 55
  3. Total: 180 + 55 = 235 mm2
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