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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 13 cm long and 4 cm wide. Find its perimeter.

    13 cm4 cm

  2. 2. A rectangle is 10 cm long and 12 cm wide. Find its perimeter.

    10 cm12 cm

  3. 3. A rectangle is 4 cm long and 2 cm wide. Find its perimeter.

    4 cm2 cm

  4. 4. A rectangle is 10 cm long and 2 cm wide. Find its perimeter.

    10 cm2 cm

  5. 5. A rectangle is 6 cm long and 10 cm wide. Find its area.

    6 cm10 cm

  6. 6. A rectangle is 9 cm long and 2 cm wide. Find its area.

    9 cm2 cm

  7. 7. A rectangle is 11 cm long and 8 cm wide. Find its perimeter.

    11 cm8 cm

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

    6 cm6 cm

  9. 9. A rectangle is 2 cm long and 6 cm wide. Find its perimeter.

    2 cm6 cm

  10. 10. A rectangle is 10 cm long and 10 cm wide. Find its area.

    10 cm10 cm

  11. 11. A rectangle is 20 cm long and 5 cm wide. Find its perimeter.

    20 cm5 cm

  12. 12. A rectangle is 17 cm long and 12 cm wide. Find its area.

    17 cm12 cm
12 questions · Seed 64 · 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 13 cm long and 4 cm wide. Find its perimeter.

    34 cm

    2 × (13 + 4) = 34 cm.

  2. 2. A rectangle is 10 cm long and 12 cm wide. Find its perimeter.

    44 cm

    2 × (10 + 12) = 44 cm.

  3. 3. A rectangle is 4 cm long and 2 cm wide. Find its perimeter.

    12 cm

    2 × (4 + 2) = 12 cm.

  4. 4. A rectangle is 10 cm long and 2 cm wide. Find its perimeter.

    24 cm

    2 × (10 + 2) = 24 cm.

  5. 5. A rectangle is 6 cm long and 10 cm wide. Find its area.

    60 cm²

    6 × 10 = 60 cm².

  6. 6. A rectangle is 9 cm long and 2 cm wide. Find its area.

    18 cm²

    9 × 2 = 18 cm².

  7. 7. A rectangle is 11 cm long and 8 cm wide. Find its perimeter.

    38 cm

    2 × (11 + 8) = 38 cm.

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

    24 cm

    2 × (6 + 6) = 24 cm.

  9. 9. A rectangle is 2 cm long and 6 cm wide. Find its perimeter.

    16 cm

    2 × (2 + 6) = 16 cm.

  10. 10. A rectangle is 10 cm long and 10 cm wide. Find its area.

    100 cm²

    10 × 10 = 100 cm².

  11. 11. A rectangle is 20 cm long and 5 cm wide. Find its perimeter.

    50 cm

    2 × (20 + 5) = 50 cm.

  12. 12. A rectangle is 17 cm long and 12 cm wide. Find its area.

    204 cm²

    17 × 12 = 204 cm².

12 questions · Seed 64 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12

Area & perimeter

Take your time. Show your thinking.

  1. 1. A rectangle is 13 cm long and 4 cm wide. Find its perimeter.

    13 cm4 cm

  2. 2. A rectangle is 10 cm long and 12 cm wide. Find its perimeter.

    10 cm12 cm

  3. 3. A rectangle is 4 cm long and 2 cm wide. Find its perimeter.

    4 cm2 cm

  4. 4. A rectangle is 10 cm long and 2 cm wide. Find its perimeter.

    10 cm2 cm

  5. 5. A rectangle is 6 cm long and 10 cm wide. Find its area.

    6 cm10 cm

  6. 6. A rectangle is 9 cm long and 2 cm wide. Find its area.

    9 cm2 cm

  7. 7. A rectangle is 11 cm long and 8 cm wide. Find its perimeter.

    11 cm8 cm

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

    6 cm6 cm

  9. 9. A rectangle is 2 cm long and 6 cm wide. Find its perimeter.

    2 cm6 cm

  10. 10. A rectangle is 10 cm long and 10 cm wide. Find its area.

    10 cm10 cm

  11. 11. A rectangle is 20 cm long and 5 cm wide. Find its perimeter.

    20 cm5 cm

  12. 12. A rectangle is 17 cm long and 12 cm wide. Find its area.

    17 cm12 cm
12 questions · Seed 64 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12

Area & perimeter

Answers and reasoning. Review before teaching.

  1. 1. A rectangle is 13 cm long and 4 cm wide. Find its perimeter.

    34 cm

    2 × (13 + 4) = 34 cm.

  2. 2. A rectangle is 10 cm long and 12 cm wide. Find its perimeter.

    44 cm

    2 × (10 + 12) = 44 cm.

  3. 3. A rectangle is 4 cm long and 2 cm wide. Find its perimeter.

    12 cm

    2 × (4 + 2) = 12 cm.

  4. 4. A rectangle is 10 cm long and 2 cm wide. Find its perimeter.

    24 cm

    2 × (10 + 2) = 24 cm.

  5. 5. A rectangle is 6 cm long and 10 cm wide. Find its area.

    60 cm²

    6 × 10 = 60 cm².

  6. 6. A rectangle is 9 cm long and 2 cm wide. Find its area.

    18 cm²

    9 × 2 = 18 cm².

  7. 7. A rectangle is 11 cm long and 8 cm wide. Find its perimeter.

    38 cm

    2 × (11 + 8) = 38 cm.

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

    24 cm

    2 × (6 + 6) = 24 cm.

  9. 9. A rectangle is 2 cm long and 6 cm wide. Find its perimeter.

    16 cm

    2 × (2 + 6) = 16 cm.

  10. 10. A rectangle is 10 cm long and 10 cm wide. Find its area.

    100 cm²

    10 × 10 = 100 cm².

  11. 11. A rectangle is 20 cm long and 5 cm wide. Find its perimeter.

    50 cm

    2 × (20 + 5) = 50 cm.

  12. 12. A rectangle is 17 cm long and 12 cm wide. Find its area.

    204 cm²

    17 × 12 = 204 cm².

12 questions · Seed 64 · Age guidance, not curriculum certification