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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 15 cm long and 8 cm wide. Find its area.

    15 cm8 cm

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

    6 cm8 cm

  3. 3. A rectangle is 2 cm long and 11 cm wide. Find its perimeter.

    2 cm11 cm

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

    4 cm7 cm

  5. 5. A rectangle is 16 cm long and 9 cm wide. Find its perimeter.

    16 cm9 cm

  6. 6. A rectangle is 20 cm long and 12 cm wide. Find its perimeter.

    20 cm12 cm

  7. 7. A rectangle is 15 cm long and 12 cm wide. Find its perimeter.

    15 cm12 cm

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

    6 cm5 cm

  9. 9. A rectangle is 13 cm long and 11 cm wide. Find its perimeter.

    13 cm11 cm

  10. 10. A rectangle is 7 cm long and 9 cm wide. Find its perimeter.

    7 cm9 cm

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

    2 cm10 cm

  12. 12. A rectangle is 5 cm long and 2 cm wide. Find its area.

    5 cm2 cm
12 questions · Seed 71 · 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 15 cm long and 8 cm wide. Find its area.

    120 cm²

    15 × 8 = 120 cm².

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

    28 cm

    2 × (6 + 8) = 28 cm.

  3. 3. A rectangle is 2 cm long and 11 cm wide. Find its perimeter.

    26 cm

    2 × (2 + 11) = 26 cm.

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

    22 cm

    2 × (4 + 7) = 22 cm.

  5. 5. A rectangle is 16 cm long and 9 cm wide. Find its perimeter.

    50 cm

    2 × (16 + 9) = 50 cm.

  6. 6. A rectangle is 20 cm long and 12 cm wide. Find its perimeter.

    64 cm

    2 × (20 + 12) = 64 cm.

  7. 7. A rectangle is 15 cm long and 12 cm wide. Find its perimeter.

    54 cm

    2 × (15 + 12) = 54 cm.

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

    30 cm²

    6 × 5 = 30 cm².

  9. 9. A rectangle is 13 cm long and 11 cm wide. Find its perimeter.

    48 cm

    2 × (13 + 11) = 48 cm.

  10. 10. A rectangle is 7 cm long and 9 cm wide. Find its perimeter.

    32 cm

    2 × (7 + 9) = 32 cm.

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

    24 cm

    2 × (2 + 10) = 24 cm.

  12. 12. A rectangle is 5 cm long and 2 cm wide. Find its area.

    10 cm²

    5 × 2 = 10 cm².

12 questions · Seed 71 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12

Area & perimeter

Take your time. Show your thinking.

  1. 1. A rectangle is 15 cm long and 8 cm wide. Find its area.

    15 cm8 cm

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

    6 cm8 cm

  3. 3. A rectangle is 2 cm long and 11 cm wide. Find its perimeter.

    2 cm11 cm

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

    4 cm7 cm

  5. 5. A rectangle is 16 cm long and 9 cm wide. Find its perimeter.

    16 cm9 cm

  6. 6. A rectangle is 20 cm long and 12 cm wide. Find its perimeter.

    20 cm12 cm

  7. 7. A rectangle is 15 cm long and 12 cm wide. Find its perimeter.

    15 cm12 cm

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

    6 cm5 cm

  9. 9. A rectangle is 13 cm long and 11 cm wide. Find its perimeter.

    13 cm11 cm

  10. 10. A rectangle is 7 cm long and 9 cm wide. Find its perimeter.

    7 cm9 cm

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

    2 cm10 cm

  12. 12. A rectangle is 5 cm long and 2 cm wide. Find its area.

    5 cm2 cm
12 questions · Seed 71 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12

Area & perimeter

Answers and reasoning. Review before teaching.

  1. 1. A rectangle is 15 cm long and 8 cm wide. Find its area.

    120 cm²

    15 × 8 = 120 cm².

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

    28 cm

    2 × (6 + 8) = 28 cm.

  3. 3. A rectangle is 2 cm long and 11 cm wide. Find its perimeter.

    26 cm

    2 × (2 + 11) = 26 cm.

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

    22 cm

    2 × (4 + 7) = 22 cm.

  5. 5. A rectangle is 16 cm long and 9 cm wide. Find its perimeter.

    50 cm

    2 × (16 + 9) = 50 cm.

  6. 6. A rectangle is 20 cm long and 12 cm wide. Find its perimeter.

    64 cm

    2 × (20 + 12) = 64 cm.

  7. 7. A rectangle is 15 cm long and 12 cm wide. Find its perimeter.

    54 cm

    2 × (15 + 12) = 54 cm.

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

    30 cm²

    6 × 5 = 30 cm².

  9. 9. A rectangle is 13 cm long and 11 cm wide. Find its perimeter.

    48 cm

    2 × (13 + 11) = 48 cm.

  10. 10. A rectangle is 7 cm long and 9 cm wide. Find its perimeter.

    32 cm

    2 × (7 + 9) = 32 cm.

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

    24 cm

    2 × (2 + 10) = 24 cm.

  12. 12. A rectangle is 5 cm long and 2 cm wide. Find its area.

    10 cm²

    5 × 2 = 10 cm².

12 questions · Seed 71 · Age guidance, not curriculum certification