Year 5

# Calculate the area of rectilinear shapes

## Slide deck

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## Lesson details

### Key learning points

- In this lesson, we will learn to calculate the area of rectilinear shapes by splitting them into two or more rectangles.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

## Video

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### 4 Questions

Q1.

What is area?

A shape with parallel sides

The measurement around the boundary of a shape

Q2.

What is the area of the shape below?

14 units squared

5 units squared

Q3.

What is the formula for calculating area?

length + width

length + width

length ÷ width

Q4.

What is the area of the shape below?

10 cm

20 cm

24 cm

### 4 Questions

Q1.

What does area measure?

length

the space around the outside of a shape

Q2.

What is the area of a rectangle that measures 5cm by 4cm?

18cm

20cm

9cm

Q3.

How could you find the area of this shape? (tick 4)

guess

split into two rectangles: 2x4 and 2x6

Q4.

What is the area of this shape?

180cm²

200cm²

200mm²

20cm²

20mm²