Year 8

Revisiting area: Rectangles and triangles

Year 8

Revisiting area: Rectangles and triangles

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Lesson details

Key learning points

  1. In this lesson, we will be comparing the areas of rectangles and triangles. We will then draw triangles with identical areas to given rectangles.

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5 Questions

Q1.
How do you work out the area of a triangle?
Correct answer: (b x h)/2
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
Correct answer: b x h
Q3.
What is the area of a rectangle with a base of 6cm and a height of 5cm?
11
22
Correct answer: 30
Q4.
What is the area of a triangle with a height of 6cm and a base of 10cm
Correct answer: 30cm²
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
Correct answer: 8cm