1. Areas of Compound Shapes

2. Can you describe what a compound shape is?
Compound Shapes
Can you describe what a compound shape is?
Shapes
Compound shapes

3. Recap: How do you work out the area of...
Area of rectangle =
Base x height
Area of triangle =
(base x perpendicular height) ÷ 2

4. Compound Shapes
A compound shape is one that is made up of other shapes.
To find the area of a compound shape, you need to split it up into shapes you know:
Label each section.
Write down all dimensions.
Find the areas. A: B:
A + B = __________
7cm
13cm
6cm
Remember, there is often more than one way to split up a shape!
4cm

5. Compound Shapes Label each section. Write down all dimensions.
4cm
Label each section.
Write down all dimensions.
Find the areas. A: B:
A + B = __________
4cm
7cm
6cm

6. Compound Shapes Label each section. Write down all dimensions.
Find the areas. A: B:
A + B = __________
8cm
13cm
15cm

7. Compound Shapes Label each section. Write down all dimensions.
Find the areas. A: B: C:
A + B + C = __________
4cm
22cm
15cm
18cm
25cm

8. Compound Shapes Label each section. Write down all dimensions.
15cm
Label each section.
Write down all dimensions.
Find the areas. A: B: C:
A + B + C = __________
14cm
8cm
20cm
9cm
18cm