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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 10 cm wide. Find its perimeter.

    2 cm10 cm

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

    12 cm2 cm

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

    11 cm3 cm

  4. 4. A rectangle is 13 cm long and 2 cm wide. Find its area.

    13 cm2 cm

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

    10 cm2 cm

  6. 6. A rectangle is 15 cm long and 12 cm wide. Find its area.

    15 cm12 cm

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

    17 cm12 cm

  8. 8. A rectangle is 18 cm long and 3 cm wide. Find its area.

    18 cm3 cm

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

    5 cm9 cm

  10. 10. A rectangle is 6 cm long and 4 cm wide. Find its perimeter.

    6 cm4 cm

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

    11 cm2 cm

  12. 12. A rectangle is 12 cm long and 3 cm wide. Find its area.

    12 cm3 cm
12 questions · Seed 89 · 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 10 cm wide. Find its perimeter.

    24 cm

    2 × (2 + 10) = 24 cm.

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

    24 cm²

    12 × 2 = 24 cm².

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

    28 cm

    2 × (11 + 3) = 28 cm.

  4. 4. A rectangle is 13 cm long and 2 cm wide. Find its area.

    26 cm²

    13 × 2 = 26 cm².

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

    24 cm

    2 × (10 + 2) = 24 cm.

  6. 6. A rectangle is 15 cm long and 12 cm wide. Find its area.

    180 cm²

    15 × 12 = 180 cm².

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

    204 cm²

    17 × 12 = 204 cm².

  8. 8. A rectangle is 18 cm long and 3 cm wide. Find its area.

    54 cm²

    18 × 3 = 54 cm².

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

    45 cm²

    5 × 9 = 45 cm².

  10. 10. A rectangle is 6 cm long and 4 cm wide. Find its perimeter.

    20 cm

    2 × (6 + 4) = 20 cm.

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

    26 cm

    2 × (11 + 2) = 26 cm.

  12. 12. A rectangle is 12 cm long and 3 cm wide. Find its area.

    36 cm²

    12 × 3 = 36 cm².

12 questions · Seed 89 · 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 10 cm wide. Find its perimeter.

    2 cm10 cm

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

    12 cm2 cm

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

    11 cm3 cm

  4. 4. A rectangle is 13 cm long and 2 cm wide. Find its area.

    13 cm2 cm

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

    10 cm2 cm

  6. 6. A rectangle is 15 cm long and 12 cm wide. Find its area.

    15 cm12 cm

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

    17 cm12 cm

  8. 8. A rectangle is 18 cm long and 3 cm wide. Find its area.

    18 cm3 cm

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

    5 cm9 cm

  10. 10. A rectangle is 6 cm long and 4 cm wide. Find its perimeter.

    6 cm4 cm

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

    11 cm2 cm

  12. 12. A rectangle is 12 cm long and 3 cm wide. Find its area.

    12 cm3 cm
12 questions · Seed 89 · 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 10 cm wide. Find its perimeter.

    24 cm

    2 × (2 + 10) = 24 cm.

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

    24 cm²

    12 × 2 = 24 cm².

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

    28 cm

    2 × (11 + 3) = 28 cm.

  4. 4. A rectangle is 13 cm long and 2 cm wide. Find its area.

    26 cm²

    13 × 2 = 26 cm².

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

    24 cm

    2 × (10 + 2) = 24 cm.

  6. 6. A rectangle is 15 cm long and 12 cm wide. Find its area.

    180 cm²

    15 × 12 = 180 cm².

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

    204 cm²

    17 × 12 = 204 cm².

  8. 8. A rectangle is 18 cm long and 3 cm wide. Find its area.

    54 cm²

    18 × 3 = 54 cm².

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

    45 cm²

    5 × 9 = 45 cm².

  10. 10. A rectangle is 6 cm long and 4 cm wide. Find its perimeter.

    20 cm

    2 × (6 + 4) = 20 cm.

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

    26 cm

    2 × (11 + 2) = 26 cm.

  12. 12. A rectangle is 12 cm long and 3 cm wide. Find its area.

    36 cm²

    12 × 3 = 36 cm².

12 questions · Seed 89 · Age guidance, not curriculum certification