year 8 maths

118 Chapter 3 Measurement and Pythagoras’ theorem
Pre-test
1 Convert these measurements to the units shown in the brackets.
a 3 m (cm) b 20 cm (mm) c 1.8 km (m)
d 0.25 m (cm) e 35 mm (cm) f 4200 m ( km)
g 500 cm (m) h 100 mm (m) i 2 minutes (seconds)
j 3 L (mL) k 4000 mL (L) l 3000 g (kg)
2 Name these shapes.
a b c d
e f g h
3 Find the area of these rectangles and triangles.
Remember: Area (rectangle) = l × b and Area (triangle) = 1 2 bh .
a
10 cm
3 cm b 5 cm
c
4 cm
d
8 cm
8 cm
5 cm
4 Find the perimeter of these shapes.
a
b
6 cm c
12 m
2.5 cm
9 cm
3 m
10 cm
5 Evaluate the following.
1
a
2 × 5 × 4 b 1
2 (2 + 7) × 6 c 52 d 11 2
1
e (22 + 17) × 3 f √36 g √81 h √144
2
6 Using V = l × b × h , find the volume of these rectangular prisms.
a
3 cm
2 cm
2 cm
b
5 m
5 m
10 m
c
30 cm
7 cm
20 cm
Cambridge Maths NSW
Stage 4 Year 8 Second edition
ISBN 978-1-108-46627-1 © Palmer et al. 2018
Cambridge University Press
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