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MathsAges 10-12

Area & perimeter

Use labelled rectangles to calculate area and perimeter. Keep square units and length units distinct. Review suitability for your learners before teaching.

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Age band:Ages 7-9Ages 10-12

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Worksheet StudioPractice pack · Ages 10-12

Area & perimeter

Take your time. Show your thinking.

  1. 1. A rectangle is 2 cm long and 5 cm wide. Find its perimeter.

    2 cm5 cm

  2. 2. A rectangle is 19 cm long and 3 cm wide. Find its area.

    19 cm3 cm

  3. 3. A rectangle is 16 cm long and 7 cm wide. Find its area.

    16 cm7 cm

  4. 4. A rectangle is 18 cm long and 9 cm wide. Find its area.

    18 cm9 cm

  5. 5. A rectangle is 5 cm long and 5 cm wide. Find its perimeter.

    5 cm5 cm

  6. 6. A rectangle is 16 cm long and 7 cm wide. Find its perimeter.

    16 cm7 cm

  7. 7. A rectangle is 16 cm long and 5 cm wide. Find its perimeter.

    16 cm5 cm

  8. 8. A rectangle is 7 cm long and 4 cm wide. Find its area.

    7 cm4 cm

  9. 9. A rectangle is 18 cm long and 4 cm wide. Find its area.

    18 cm4 cm

  10. 10. A rectangle is 4 cm long and 9 cm wide. Find its perimeter.

    4 cm9 cm

  11. 11. A rectangle is 18 cm long and 4 cm wide. Find its perimeter.

    18 cm4 cm

  12. 12. A rectangle is 19 cm long and 5 cm wide. Find its perimeter.

    19 cm5 cm
12 questions · Seed 42 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 10-12

Area & perimeter

Answers and reasoning. Review before teaching.

  1. 1. A rectangle is 2 cm long and 5 cm wide. Find its perimeter.

    14 cm

    2 × (2 + 5) = 14 cm.

  2. 2. A rectangle is 19 cm long and 3 cm wide. Find its area.

    57 cm²

    19 × 3 = 57 cm².

  3. 3. A rectangle is 16 cm long and 7 cm wide. Find its area.

    112 cm²

    16 × 7 = 112 cm².

  4. 4. A rectangle is 18 cm long and 9 cm wide. Find its area.

    162 cm²

    18 × 9 = 162 cm².

  5. 5. A rectangle is 5 cm long and 5 cm wide. Find its perimeter.

    20 cm

    2 × (5 + 5) = 20 cm.

  6. 6. A rectangle is 16 cm long and 7 cm wide. Find its perimeter.

    46 cm

    2 × (16 + 7) = 46 cm.

  7. 7. A rectangle is 16 cm long and 5 cm wide. Find its perimeter.

    42 cm

    2 × (16 + 5) = 42 cm.

  8. 8. A rectangle is 7 cm long and 4 cm wide. Find its area.

    28 cm²

    7 × 4 = 28 cm².

  9. 9. A rectangle is 18 cm long and 4 cm wide. Find its area.

    72 cm²

    18 × 4 = 72 cm².

  10. 10. A rectangle is 4 cm long and 9 cm wide. Find its perimeter.

    26 cm

    2 × (4 + 9) = 26 cm.

  11. 11. A rectangle is 18 cm long and 4 cm wide. Find its perimeter.

    44 cm

    2 × (18 + 4) = 44 cm.

  12. 12. A rectangle is 19 cm long and 5 cm wide. Find its perimeter.

    48 cm

    2 × (19 + 5) = 48 cm.

12 questions · Seed 42 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12

Area & perimeter

Take your time. Show your thinking.

  1. 1. A rectangle is 2 cm long and 5 cm wide. Find its perimeter.

    2 cm5 cm

  2. 2. A rectangle is 19 cm long and 3 cm wide. Find its area.

    19 cm3 cm

  3. 3. A rectangle is 16 cm long and 7 cm wide. Find its area.

    16 cm7 cm

  4. 4. A rectangle is 18 cm long and 9 cm wide. Find its area.

    18 cm9 cm

  5. 5. A rectangle is 5 cm long and 5 cm wide. Find its perimeter.

    5 cm5 cm

  6. 6. A rectangle is 16 cm long and 7 cm wide. Find its perimeter.

    16 cm7 cm

  7. 7. A rectangle is 16 cm long and 5 cm wide. Find its perimeter.

    16 cm5 cm

  8. 8. A rectangle is 7 cm long and 4 cm wide. Find its area.

    7 cm4 cm

  9. 9. A rectangle is 18 cm long and 4 cm wide. Find its area.

    18 cm4 cm

  10. 10. A rectangle is 4 cm long and 9 cm wide. Find its perimeter.

    4 cm9 cm

  11. 11. A rectangle is 18 cm long and 4 cm wide. Find its perimeter.

    18 cm4 cm

  12. 12. A rectangle is 19 cm long and 5 cm wide. Find its perimeter.

    19 cm5 cm
12 questions · Seed 42 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12

Area & perimeter

Answers and reasoning. Review before teaching.

  1. 1. A rectangle is 2 cm long and 5 cm wide. Find its perimeter.

    14 cm

    2 × (2 + 5) = 14 cm.

  2. 2. A rectangle is 19 cm long and 3 cm wide. Find its area.

    57 cm²

    19 × 3 = 57 cm².

  3. 3. A rectangle is 16 cm long and 7 cm wide. Find its area.

    112 cm²

    16 × 7 = 112 cm².

  4. 4. A rectangle is 18 cm long and 9 cm wide. Find its area.

    162 cm²

    18 × 9 = 162 cm².

  5. 5. A rectangle is 5 cm long and 5 cm wide. Find its perimeter.

    20 cm

    2 × (5 + 5) = 20 cm.

  6. 6. A rectangle is 16 cm long and 7 cm wide. Find its perimeter.

    46 cm

    2 × (16 + 7) = 46 cm.

  7. 7. A rectangle is 16 cm long and 5 cm wide. Find its perimeter.

    42 cm

    2 × (16 + 5) = 42 cm.

  8. 8. A rectangle is 7 cm long and 4 cm wide. Find its area.

    28 cm²

    7 × 4 = 28 cm².

  9. 9. A rectangle is 18 cm long and 4 cm wide. Find its area.

    72 cm²

    18 × 4 = 72 cm².

  10. 10. A rectangle is 4 cm long and 9 cm wide. Find its perimeter.

    26 cm

    2 × (4 + 9) = 26 cm.

  11. 11. A rectangle is 18 cm long and 4 cm wide. Find its perimeter.

    44 cm

    2 × (18 + 4) = 44 cm.

  12. 12. A rectangle is 19 cm long and 5 cm wide. Find its perimeter.

    48 cm

    2 × (19 + 5) = 48 cm.

12 questions · Seed 42 · Age guidance, not curriculum certification