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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 12 cm long and 10 cm wide. Find its area.

    12 cm10 cm

  2. 2. A rectangle is 4 cm long and 8 cm wide. Find its perimeter.

    4 cm8 cm

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

    10 cm9 cm

  4. 4. A rectangle is 14 cm long and 10 cm wide. Find its perimeter.

    14 cm10 cm

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

    3 cm2 cm

  6. 6. A rectangle is 12 cm long and 4 cm wide. Find its perimeter.

    12 cm4 cm

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

    8 cm7 cm

  8. 8. A rectangle is 15 cm long and 3 cm wide. Find its area.

    15 cm3 cm

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

    3 cm8 cm

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

    6 cm6 cm

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

    5 cm9 cm

  12. 12. A rectangle is 7 cm long and 10 cm wide. Find its area.

    7 cm10 cm
12 questions · Seed 61 · 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 12 cm long and 10 cm wide. Find its area.

    120 cm²

    12 × 10 = 120 cm².

  2. 2. A rectangle is 4 cm long and 8 cm wide. Find its perimeter.

    24 cm

    2 × (4 + 8) = 24 cm.

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

    38 cm

    2 × (10 + 9) = 38 cm.

  4. 4. A rectangle is 14 cm long and 10 cm wide. Find its perimeter.

    48 cm

    2 × (14 + 10) = 48 cm.

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

    6 cm²

    3 × 2 = 6 cm².

  6. 6. A rectangle is 12 cm long and 4 cm wide. Find its perimeter.

    32 cm

    2 × (12 + 4) = 32 cm.

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

    30 cm

    2 × (8 + 7) = 30 cm.

  8. 8. A rectangle is 15 cm long and 3 cm wide. Find its area.

    45 cm²

    15 × 3 = 45 cm².

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

    22 cm

    2 × (3 + 8) = 22 cm.

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

    36 cm²

    6 × 6 = 36 cm².

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

    28 cm

    2 × (5 + 9) = 28 cm.

  12. 12. A rectangle is 7 cm long and 10 cm wide. Find its area.

    70 cm²

    7 × 10 = 70 cm².

12 questions · Seed 61 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12

Area & perimeter

Take your time. Show your thinking.

  1. 1. A rectangle is 12 cm long and 10 cm wide. Find its area.

    12 cm10 cm

  2. 2. A rectangle is 4 cm long and 8 cm wide. Find its perimeter.

    4 cm8 cm

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

    10 cm9 cm

  4. 4. A rectangle is 14 cm long and 10 cm wide. Find its perimeter.

    14 cm10 cm

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

    3 cm2 cm

  6. 6. A rectangle is 12 cm long and 4 cm wide. Find its perimeter.

    12 cm4 cm

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

    8 cm7 cm

  8. 8. A rectangle is 15 cm long and 3 cm wide. Find its area.

    15 cm3 cm

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

    3 cm8 cm

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

    6 cm6 cm

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

    5 cm9 cm

  12. 12. A rectangle is 7 cm long and 10 cm wide. Find its area.

    7 cm10 cm
12 questions · Seed 61 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12

Area & perimeter

Answers and reasoning. Review before teaching.

  1. 1. A rectangle is 12 cm long and 10 cm wide. Find its area.

    120 cm²

    12 × 10 = 120 cm².

  2. 2. A rectangle is 4 cm long and 8 cm wide. Find its perimeter.

    24 cm

    2 × (4 + 8) = 24 cm.

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

    38 cm

    2 × (10 + 9) = 38 cm.

  4. 4. A rectangle is 14 cm long and 10 cm wide. Find its perimeter.

    48 cm

    2 × (14 + 10) = 48 cm.

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

    6 cm²

    3 × 2 = 6 cm².

  6. 6. A rectangle is 12 cm long and 4 cm wide. Find its perimeter.

    32 cm

    2 × (12 + 4) = 32 cm.

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

    30 cm

    2 × (8 + 7) = 30 cm.

  8. 8. A rectangle is 15 cm long and 3 cm wide. Find its area.

    45 cm²

    15 × 3 = 45 cm².

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

    22 cm

    2 × (3 + 8) = 22 cm.

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

    36 cm²

    6 × 6 = 36 cm².

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

    28 cm

    2 × (5 + 9) = 28 cm.

  12. 12. A rectangle is 7 cm long and 10 cm wide. Find its area.

    70 cm²

    7 × 10 = 70 cm².

12 questions · Seed 61 · Age guidance, not curriculum certification