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

    7 cm12 cm

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

    19 cm10 cm

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

    12 cm2 cm

  5. 5. A rectangle is 7 cm long and 2 cm wide. Find its area.

    7 cm2 cm

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

    4 cm2 cm

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

    5 cm9 cm

  8. 8. A rectangle is 11 cm long and 8 cm wide. Find its area.

    11 cm8 cm

  9. 9. A rectangle is 16 cm long and 12 cm wide. Find its perimeter.

    16 cm12 cm

  10. 10. A rectangle is 19 cm long and 6 cm wide. Find its perimeter.

    19 cm6 cm

  11. 11. A rectangle is 11 cm long and 7 cm wide. Find its perimeter.

    11 cm7 cm

  12. 12. A rectangle is 2 cm long and 9 cm wide. Find its perimeter.

    2 cm9 cm
12 questions · Seed 47 · 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 7 cm long and 12 cm wide. Find its area.

    84 cm²

    7 × 12 = 84 cm².

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

    190 cm²

    19 × 10 = 190 cm².

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

    28 cm

    2 × (12 + 2) = 28 cm.

  5. 5. A rectangle is 7 cm long and 2 cm wide. Find its area.

    14 cm²

    7 × 2 = 14 cm².

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

    8 cm²

    4 × 2 = 8 cm².

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

    28 cm

    2 × (5 + 9) = 28 cm.

  8. 8. A rectangle is 11 cm long and 8 cm wide. Find its area.

    88 cm²

    11 × 8 = 88 cm².

  9. 9. A rectangle is 16 cm long and 12 cm wide. Find its perimeter.

    56 cm

    2 × (16 + 12) = 56 cm.

  10. 10. A rectangle is 19 cm long and 6 cm wide. Find its perimeter.

    50 cm

    2 × (19 + 6) = 50 cm.

  11. 11. A rectangle is 11 cm long and 7 cm wide. Find its perimeter.

    36 cm

    2 × (11 + 7) = 36 cm.

  12. 12. A rectangle is 2 cm long and 9 cm wide. Find its perimeter.

    22 cm

    2 × (2 + 9) = 22 cm.

12 questions · Seed 47 · 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 7 cm long and 12 cm wide. Find its area.

    7 cm12 cm

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

    19 cm10 cm

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

    12 cm2 cm

  5. 5. A rectangle is 7 cm long and 2 cm wide. Find its area.

    7 cm2 cm

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

    4 cm2 cm

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

    5 cm9 cm

  8. 8. A rectangle is 11 cm long and 8 cm wide. Find its area.

    11 cm8 cm

  9. 9. A rectangle is 16 cm long and 12 cm wide. Find its perimeter.

    16 cm12 cm

  10. 10. A rectangle is 19 cm long and 6 cm wide. Find its perimeter.

    19 cm6 cm

  11. 11. A rectangle is 11 cm long and 7 cm wide. Find its perimeter.

    11 cm7 cm

  12. 12. A rectangle is 2 cm long and 9 cm wide. Find its perimeter.

    2 cm9 cm
12 questions · Seed 47 · 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 7 cm long and 12 cm wide. Find its area.

    84 cm²

    7 × 12 = 84 cm².

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

    190 cm²

    19 × 10 = 190 cm².

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

    28 cm

    2 × (12 + 2) = 28 cm.

  5. 5. A rectangle is 7 cm long and 2 cm wide. Find its area.

    14 cm²

    7 × 2 = 14 cm².

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

    8 cm²

    4 × 2 = 8 cm².

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

    28 cm

    2 × (5 + 9) = 28 cm.

  8. 8. A rectangle is 11 cm long and 8 cm wide. Find its area.

    88 cm²

    11 × 8 = 88 cm².

  9. 9. A rectangle is 16 cm long and 12 cm wide. Find its perimeter.

    56 cm

    2 × (16 + 12) = 56 cm.

  10. 10. A rectangle is 19 cm long and 6 cm wide. Find its perimeter.

    50 cm

    2 × (19 + 6) = 50 cm.

  11. 11. A rectangle is 11 cm long and 7 cm wide. Find its perimeter.

    36 cm

    2 × (11 + 7) = 36 cm.

  12. 12. A rectangle is 2 cm long and 9 cm wide. Find its perimeter.

    22 cm

    2 × (2 + 9) = 22 cm.

12 questions · Seed 47 · Age guidance, not curriculum certification