year 8 maths

156 Chapter 3 Measurement and Pythagoras’ theorem
Exercise 3H
UNDERSTANDING AND FLUENCY
1–3, 4–6(½) 3, 4–6(½)
4–6(½)
1 Count how many cubic units are shown in these solids.
a b c
2 Find the missing number.
a 3 × 4 × 8 = ___ b ___ × 5 × 20 = 600
c 8 × ___ × 12 = 192 d 20 × 2 × ___ = 200
3 Write the missing number in the following unit conversions.
a 1 L = ___ mL b ___ kL = 1000 L c 1000 kL = ___ ML
d 1 mL = ___ cm 3 e 1000 cm 3 = ___ L f 1 m 3 = ___ L
Example 16
4 Find the volume of these rectangular prisms.
a
b
2 cm
5 m
c
3 cm
6 cm
1 m
4 m
3 mm
d
e
f
2 m
4 km
20 mm
4 mm
6 m
5 Convert the measurements to the units shown in the brackets.
a 2 L (mL) b 5 kL (L) c 0.5 ML (kL) d 3000 mL (L)
e 4 mL (cm 3 ) f 50 cm 3 (mL) g 2500 cm 3 (L) h 5.1 L (cm 3 )
Example 17
6 Find the capacity of these containers, converting your answer to litres.
a
b
c
20 cm
40 cm
30 cm
60 cm
10 cm
70 cm
30 cm
d
3 m
2 m
3 m
e
6 m
4 m
1 m
f
0.5 m
0.8 m
0.9 m
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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