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Year 8 Area and Perimeter Worksheet — Level 1 — Answers

Answer sheet with worked solutions for the Year 8 area & perimeter worksheet.

Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · Area & Perimeter

Year 8 Area and Perimeter Worksheet — Level 1 — Answers

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

1.A rectangle is 6 mm long and 4 mm wide. Find its area.

Answer: 24 mm2

  1. A = length × width = 6 × 4
  2. = 24 mm2
2.A rectangle is 10 m long and 2 m wide. Find its area.

Answer: 20 m2

  1. A = length × width = 10 × 2
  2. = 20 m2
3.A rectangle is 12 m long and 9 m wide. Find its area.

Answer: 108 m2

  1. A = length × width = 12 × 9
  2. = 108 m2
4.A rectangle is 4 mm long and 2 mm wide. Find its area.

Answer: 8 mm2

  1. A = length × width = 4 × 2
  2. = 8 mm2
5.A rectangle is 10 mm long and 11 mm wide. Find its area.

Answer: 110 mm2

  1. A = length × width = 10 × 11
  2. = 110 mm2
6.A rectangle is 7 cm long and 4 cm wide. Find its perimeter.

Answer: 22 cm

  1. P = 2 × (7 + 4)
  2. = 2 × 11 = 22 cm
7.A rectangle is 2 mm long and 11 mm wide. Find its perimeter.

Answer: 26 mm

  1. P = 2 × (2 + 11)
  2. = 2 × 13 = 26 mm
8.A rectangle is 6 m long and 12 m wide. Find its perimeter.

Answer: 36 m

  1. P = 2 × (6 + 12)
  2. = 2 × 18 = 36 m
9.A rectangle is 7 m long and 10 m wide. Find its perimeter.

Answer: 34 m

  1. P = 2 × (7 + 10)
  2. = 2 × 17 = 34 m
10.A rectangle is 6 m long and 9 m wide. Find its perimeter.

Answer: 30 m

  1. P = 2 × (6 + 9)
  2. = 2 × 15 = 30 m
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