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Area of Common Shapes

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**8cm Rectangles 2cm How many squares do you need to fill the rectangle?**

Area of a rectangle = Length x Width

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**Triangles 6cm 3cm What is the area of the rectangle?**

What shape is created when I cut the rectangle in half?

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3cm 6cm Triangles What is the area of the triangle?

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**Is the area of the triangle still half the area of the rectangle?**

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**Triangles Find the area of these triangles 3cm 12cm2 8cm**

Can you think of some more triangles with the same area? 4cm 12cm2 6cm

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**Parallelogram What is the name of this shape?**

How can you find the area of this shape? Parallelogram

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**Parallelogram What is the area of this parallelogram? 4cm 5cm 50cm2**

What is the height of this parallelogram? 60cm2 ? 12cm 5cm

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a b h b a h If I stick two trapeziums together, what shape do I get? Trapezium How do I find the area of the two shapes together? How do I find the area of just one trapezium? Area of a trapezium = (a+b)h 2

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