Year 8
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Lesson details
Key learning points
- In this lesson, we will be working out the area of compound shapes that can be deconstructed into triangles and quadrilaterals.
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.
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5 Questions
Q1.
How do you work out the area of a triangle?
b + h x 2
b x h
Q2.
How do you work out the area of a rectangle?
(b x h)/2
b + h x 2
Q3.
What is the area of a rectangle with a base of 6cm and a height of 5cm?
11
22
Q4.
What is the area of a triangle with a height of 6cm and a base of 10cm
32cm²
60cm²
Q5.
A rectangle with a height of 3cm and a base of 4cm has the same area as a triangle with a height of 3cm and a base of _________.
10cm
4cm
6cm
5 Questions
Q1.
How do you work out the area of a triangle?
b + h x 2
b x h
Q2.
How do you work out the area of a rectangle?
(b x h)/2
b + h x 2
Q3.
A rectangle with a height of 3cm and a base of 4cm has the same area as a triangle with a height of 3cm and a base of _________.
10cm
4cm
6cm
Q4.
A compound shape is _____________________.
a shape with 5 sides
a shape with more than 6 sides
Q5.
A trapezium has _______________.
no parallel sides
two pairs of parallel sides