Back to worksheets Maths Ages 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.
Student worksheet Answer key
Worksheet Studio Practice pack · Ages 10-12
Area & perimeter Take your time. Show your thinking.
1. A rectangle is 6 cm long and 8 cm wide. Find its area.
6 cm 8 cm
2. A rectangle is 14 cm long and 8 cm wide. Find its perimeter.
14 cm 8 cm
3. A rectangle is 16 cm long and 10 cm wide. Find its perimeter.
16 cm 10 cm
4. A rectangle is 5 cm long and 7 cm wide. Find its area.
5 cm 7 cm
5. A rectangle is 11 cm long and 5 cm wide. Find its area.
11 cm 5 cm
6. A rectangle is 4 cm long and 5 cm wide. Find its perimeter.
4 cm 5 cm
7. A rectangle is 17 cm long and 5 cm wide. Find its area.
17 cm 5 cm
8. A rectangle is 11 cm long and 8 cm wide. Find its area.
11 cm 8 cm
9. A rectangle is 3 cm long and 11 cm wide. Find its perimeter.
3 cm 11 cm
10. A rectangle is 12 cm long and 5 cm wide. Find its area.
12 cm 5 cm
11. A rectangle is 3 cm long and 10 cm wide. Find its area.
3 cm 10 cm
12. A rectangle is 20 cm long and 5 cm wide. Find its perimeter.
20 cm 5 cm
12 questions · Seed 97 · Age guidance, not curriculum certification
View the answer key Worksheet Studio Answer key · Ages 10-12
Area & perimeter Answers and reasoning. Review before teaching.
1. A rectangle is 6 cm long and 8 cm wide. Find its area.
2. A rectangle is 14 cm long and 8 cm wide. Find its perimeter.
44 cm 2 × (14 + 8) = 44 cm.
3. A rectangle is 16 cm long and 10 cm wide. Find its perimeter.
52 cm 2 × (16 + 10) = 52 cm.
4. A rectangle is 5 cm long and 7 cm wide. Find its area.
5. A rectangle is 11 cm long and 5 cm wide. Find its area.
6. A rectangle is 4 cm long and 5 cm wide. Find its perimeter.
18 cm 2 × (4 + 5) = 18 cm.
7. A rectangle is 17 cm long and 5 cm wide. Find its area.
8. A rectangle is 11 cm long and 8 cm wide. Find its area.
9. A rectangle is 3 cm long and 11 cm wide. Find its perimeter.
28 cm 2 × (3 + 11) = 28 cm.
10. A rectangle is 12 cm long and 5 cm wide. Find its area.
11. A rectangle is 3 cm long and 10 cm wide. Find its area.
12. A rectangle is 20 cm long and 5 cm wide. Find its perimeter.
50 cm 2 × (20 + 5) = 50 cm.
12 questions · Seed 97 · Age guidance, not curriculum certification
Worksheet Studio Practice pack · Ages 10-12
Area & perimeter Take your time. Show your thinking.
1. A rectangle is 6 cm long and 8 cm wide. Find its area.
6 cm 8 cm
2. A rectangle is 14 cm long and 8 cm wide. Find its perimeter.
14 cm 8 cm
3. A rectangle is 16 cm long and 10 cm wide. Find its perimeter.
16 cm 10 cm
4. A rectangle is 5 cm long and 7 cm wide. Find its area.
5 cm 7 cm
5. A rectangle is 11 cm long and 5 cm wide. Find its area.
11 cm 5 cm
6. A rectangle is 4 cm long and 5 cm wide. Find its perimeter.
4 cm 5 cm
7. A rectangle is 17 cm long and 5 cm wide. Find its area.
17 cm 5 cm
8. A rectangle is 11 cm long and 8 cm wide. Find its area.
11 cm 8 cm
9. A rectangle is 3 cm long and 11 cm wide. Find its perimeter.
3 cm 11 cm
10. A rectangle is 12 cm long and 5 cm wide. Find its area.
12 cm 5 cm
11. A rectangle is 3 cm long and 10 cm wide. Find its area.
3 cm 10 cm
12. A rectangle is 20 cm long and 5 cm wide. Find its perimeter.
20 cm 5 cm
12 questions · Seed 97 · Age guidance, not curriculum certification
Worksheet Studio Answer key · Ages 10-12
Area & perimeter Answers and reasoning. Review before teaching.
1. A rectangle is 6 cm long and 8 cm wide. Find its area.
2. A rectangle is 14 cm long and 8 cm wide. Find its perimeter.
44 cm 2 × (14 + 8) = 44 cm.
3. A rectangle is 16 cm long and 10 cm wide. Find its perimeter.
52 cm 2 × (16 + 10) = 52 cm.
4. A rectangle is 5 cm long and 7 cm wide. Find its area.
5. A rectangle is 11 cm long and 5 cm wide. Find its area.
6. A rectangle is 4 cm long and 5 cm wide. Find its perimeter.
18 cm 2 × (4 + 5) = 18 cm.
7. A rectangle is 17 cm long and 5 cm wide. Find its area.
8. A rectangle is 11 cm long and 8 cm wide. Find its area.
9. A rectangle is 3 cm long and 11 cm wide. Find its perimeter.
28 cm 2 × (3 + 11) = 28 cm.
10. A rectangle is 12 cm long and 5 cm wide. Find its area.
11. A rectangle is 3 cm long and 10 cm wide. Find its area.
12. A rectangle is 20 cm long and 5 cm wide. Find its perimeter.
50 cm 2 × (20 + 5) = 50 cm.
12 questions · Seed 97 · Age guidance, not curriculum certification
More maths worksheets Also in: Elementary School Worksheets · 3rd Grade Worksheets