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Area of rectangles.

Calculate rectangular area from dimensions in centimetres.

Numihana · England Year 5

Area of rectangles

Practice sheet

Name: ______________
Date: ______________

Calculate rectangular area from dimensions in centimetres.

1

Find the area. Base: 2 cm; perpendicular height: 2 cm.

2 × 2 cm · diagram not to scale
Answer: ________________
2

Find the area. Base: 9 cm; perpendicular height: 3 cm.

9 × 3 cm · diagram not to scale
Answer: ________________
3

Find the area. Base: 10 cm; perpendicular height: 19 cm.

10 × 19 cm · diagram not to scale
Answer: ________________
4

Find the area. Base: 10 cm; perpendicular height: 12 cm.

10 × 12 cm · diagram not to scale
Answer: ________________
5

Find the area. Base: 19 cm; perpendicular height: 3 cm.

19 × 3 cm · diagram not to scale
Answer: ________________
6

Find the area. Base: 7 cm; perpendicular height: 15 cm.

7 × 15 cm · diagram not to scale
Answer: ________________
Numihana · England Year 5 · Area of rectangles
Numihana · England Year 5

Area of rectangles

Answer key

Name: ______________
Date: ______________

Calculate rectangular area from dimensions in centimetres.

1

Find the area. Base: 2 cm; perpendicular height: 2 cm.

2 × 2 cm · diagram not to scale
Answer: 4 cm²
2

Find the area. Base: 9 cm; perpendicular height: 3 cm.

9 × 3 cm · diagram not to scale
Answer: 27 cm²
3

Find the area. Base: 10 cm; perpendicular height: 19 cm.

10 × 19 cm · diagram not to scale
Answer: 190 cm²
4

Find the area. Base: 10 cm; perpendicular height: 12 cm.

10 × 12 cm · diagram not to scale
Answer: 120 cm²
5

Find the area. Base: 19 cm; perpendicular height: 3 cm.

19 × 3 cm · diagram not to scale
Answer: 57 cm²
6

Find the area. Base: 7 cm; perpendicular height: 15 cm.

7 × 15 cm · diagram not to scale
Answer: 105 cm²
Numihana · England Year 5 · Area of rectangles

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The skill behind this activity

Calculate rectangular area from dimensions in centimetres.

Department for Education: mathematics programmes of study ↗

Year 5 → Measurement · Selected statutory skill. Pack 2.2.0 · source checked 2026-10-12.

For teachers and parents

Use the labelled perpendicular height. Rectangles and parallelograms use base × height; a triangle uses half that product.

A common slip

A sloping side is not the perpendicular height. Use square units for area.

Curriculum coverage

Worked example

Find the area. Base: 5 cm; perpendicular height: 20 cm.

5 × 20 cm · diagram not to scale
Answer: 100 cm²

Use the labelled perpendicular height. Rectangles and parallelograms use base × height; a triangle uses half that product.