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

    18 cm12 cm

  2. 2. A rectangle is 19 cm long and 2 cm wide. Find its area.

    19 cm2 cm

  3. 3. A rectangle is 14 cm long and 12 cm wide. Find its perimeter.

    14 cm12 cm

  4. 4. A rectangle is 7 cm long and 5 cm wide. Find its perimeter.

    7 cm5 cm

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

    9 cm10 cm

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

    18 cm6 cm

  7. 7. A rectangle is 19 cm long and 10 cm wide. Find its area.

    19 cm10 cm

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

    5 cm3 cm

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

    10 cm9 cm

  10. 10. A rectangle is 19 cm long and 3 cm wide. Find its area.

    19 cm3 cm

  11. 11. A rectangle is 14 cm long and 9 cm wide. Find its perimeter.

    14 cm9 cm

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

    3 cm11 cm
12 questions · Seed 92 · 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 18 cm long and 12 cm wide. Find its area.

    216 cm²

    18 × 12 = 216 cm².

  2. 2. A rectangle is 19 cm long and 2 cm wide. Find its area.

    38 cm²

    19 × 2 = 38 cm².

  3. 3. A rectangle is 14 cm long and 12 cm wide. Find its perimeter.

    52 cm

    2 × (14 + 12) = 52 cm.

  4. 4. A rectangle is 7 cm long and 5 cm wide. Find its perimeter.

    24 cm

    2 × (7 + 5) = 24 cm.

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

    38 cm

    2 × (9 + 10) = 38 cm.

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

    108 cm²

    18 × 6 = 108 cm².

  7. 7. A rectangle is 19 cm long and 10 cm wide. Find its area.

    190 cm²

    19 × 10 = 190 cm².

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

    15 cm²

    5 × 3 = 15 cm².

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

    38 cm

    2 × (10 + 9) = 38 cm.

  10. 10. A rectangle is 19 cm long and 3 cm wide. Find its area.

    57 cm²

    19 × 3 = 57 cm².

  11. 11. A rectangle is 14 cm long and 9 cm wide. Find its perimeter.

    46 cm

    2 × (14 + 9) = 46 cm.

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

    33 cm²

    3 × 11 = 33 cm².

12 questions · Seed 92 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12

Area & perimeter

Take your time. Show your thinking.

  1. 1. A rectangle is 18 cm long and 12 cm wide. Find its area.

    18 cm12 cm

  2. 2. A rectangle is 19 cm long and 2 cm wide. Find its area.

    19 cm2 cm

  3. 3. A rectangle is 14 cm long and 12 cm wide. Find its perimeter.

    14 cm12 cm

  4. 4. A rectangle is 7 cm long and 5 cm wide. Find its perimeter.

    7 cm5 cm

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

    9 cm10 cm

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

    18 cm6 cm

  7. 7. A rectangle is 19 cm long and 10 cm wide. Find its area.

    19 cm10 cm

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

    5 cm3 cm

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

    10 cm9 cm

  10. 10. A rectangle is 19 cm long and 3 cm wide. Find its area.

    19 cm3 cm

  11. 11. A rectangle is 14 cm long and 9 cm wide. Find its perimeter.

    14 cm9 cm

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

    3 cm11 cm
12 questions · Seed 92 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12

Area & perimeter

Answers and reasoning. Review before teaching.

  1. 1. A rectangle is 18 cm long and 12 cm wide. Find its area.

    216 cm²

    18 × 12 = 216 cm².

  2. 2. A rectangle is 19 cm long and 2 cm wide. Find its area.

    38 cm²

    19 × 2 = 38 cm².

  3. 3. A rectangle is 14 cm long and 12 cm wide. Find its perimeter.

    52 cm

    2 × (14 + 12) = 52 cm.

  4. 4. A rectangle is 7 cm long and 5 cm wide. Find its perimeter.

    24 cm

    2 × (7 + 5) = 24 cm.

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

    38 cm

    2 × (9 + 10) = 38 cm.

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

    108 cm²

    18 × 6 = 108 cm².

  7. 7. A rectangle is 19 cm long and 10 cm wide. Find its area.

    190 cm²

    19 × 10 = 190 cm².

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

    15 cm²

    5 × 3 = 15 cm².

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

    38 cm

    2 × (10 + 9) = 38 cm.

  10. 10. A rectangle is 19 cm long and 3 cm wide. Find its area.

    57 cm²

    19 × 3 = 57 cm².

  11. 11. A rectangle is 14 cm long and 9 cm wide. Find its perimeter.

    46 cm

    2 × (14 + 9) = 46 cm.

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

    33 cm²

    3 × 11 = 33 cm².

12 questions · Seed 92 · Age guidance, not curriculum certification