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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 5 cm long and 3 cm wide. Find its area.

    5 cm3 cm

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

    3 cm3 cm

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

    6 cm10 cm

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

    3 cm2 cm

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

    9 cm6 cm

  6. 6. A rectangle is 18 cm long and 3 cm wide. Find its perimeter.

    18 cm3 cm

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

    17 cm7 cm

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

    2 cm3 cm

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

    9 cm4 cm

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

    6 cm5 cm

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

    11 cm9 cm

  12. 12. A rectangle is 17 cm long and 11 cm wide. Find its area.

    17 cm11 cm
12 questions · Seed 49 · 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 5 cm long and 3 cm wide. Find its area.

    15 cm²

    5 × 3 = 15 cm².

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

    12 cm

    2 × (3 + 3) = 12 cm.

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

    60 cm²

    6 × 10 = 60 cm².

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

    6 cm²

    3 × 2 = 6 cm².

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

    54 cm²

    9 × 6 = 54 cm².

  6. 6. A rectangle is 18 cm long and 3 cm wide. Find its perimeter.

    42 cm

    2 × (18 + 3) = 42 cm.

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

    48 cm

    2 × (17 + 7) = 48 cm.

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

    10 cm

    2 × (2 + 3) = 10 cm.

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

    36 cm²

    9 × 4 = 36 cm².

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

    22 cm

    2 × (6 + 5) = 22 cm.

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

    40 cm

    2 × (11 + 9) = 40 cm.

  12. 12. A rectangle is 17 cm long and 11 cm wide. Find its area.

    187 cm²

    17 × 11 = 187 cm².

12 questions · Seed 49 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12

Area & perimeter

Take your time. Show your thinking.

  1. 1. A rectangle is 5 cm long and 3 cm wide. Find its area.

    5 cm3 cm

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

    3 cm3 cm

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

    6 cm10 cm

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

    3 cm2 cm

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

    9 cm6 cm

  6. 6. A rectangle is 18 cm long and 3 cm wide. Find its perimeter.

    18 cm3 cm

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

    17 cm7 cm

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

    2 cm3 cm

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

    9 cm4 cm

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

    6 cm5 cm

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

    11 cm9 cm

  12. 12. A rectangle is 17 cm long and 11 cm wide. Find its area.

    17 cm11 cm
12 questions · Seed 49 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12

Area & perimeter

Answers and reasoning. Review before teaching.

  1. 1. A rectangle is 5 cm long and 3 cm wide. Find its area.

    15 cm²

    5 × 3 = 15 cm².

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

    12 cm

    2 × (3 + 3) = 12 cm.

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

    60 cm²

    6 × 10 = 60 cm².

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

    6 cm²

    3 × 2 = 6 cm².

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

    54 cm²

    9 × 6 = 54 cm².

  6. 6. A rectangle is 18 cm long and 3 cm wide. Find its perimeter.

    42 cm

    2 × (18 + 3) = 42 cm.

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

    48 cm

    2 × (17 + 7) = 48 cm.

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

    10 cm

    2 × (2 + 3) = 10 cm.

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

    36 cm²

    9 × 4 = 36 cm².

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

    22 cm

    2 × (6 + 5) = 22 cm.

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

    40 cm

    2 × (11 + 9) = 40 cm.

  12. 12. A rectangle is 17 cm long and 11 cm wide. Find its area.

    187 cm²

    17 × 11 = 187 cm².

12 questions · Seed 49 · Age guidance, not curriculum certification