CAMBRIDGE LOWER SECONDARY MATHEMATICS 8: END OF UNIT 10 TEST
Name ___________________________________ Date _____________
Stage 8 End of Unit 10 Test
1 a Find 135% of 40 kg. ________________________________________________________ [1]
b Find 0.8% of 7000 litres. ____________________________________________________ [1]
2 a Write $70 as a percentage of $80. _____________________________________________ [1]
b Write 21 g as a percentage of 12 g. ____________________________________________ [1]
3 a Increase 400 by 40%. _______________________________________________________ [1]
b Decrease 240 by 70%. ______________________________________________________ [1]
4 The mass of a child increases from 12.0 kg to 16.2 kg.
Work out the percentage increase.
____________________________________________________________________________
____________________________________________________________________________ [2]
5 The population of a town increases from 25 000 to 63 000.
Work out the percentage change.
____________________________________________________________________________
____________________________________________________________________________ [2]
6 a Decrease 4500 by 0.6%. _____________________________________________________ [1]
b Decrease 680 by 95%. _______________________________________________________ [1]
Cambridge Lower Secondary Mathematics 8 – Byrd, Byrd & Pearce © Cambridge University Press 2021 1
CAMBRIDGE LOWER SECONDARY MATHEMATICS 8: END OF UNIT 10 TEST
7 This table shows the number of millimetres of rain each month.
July 83 mm
August 114 mm
September 52 mm
Work out the percentage change
a from July to August ________________________________________________________ [1]
b from August to September. ___________________________________________________ [1]
8 a Write 2 metres as a percentage of 80 cm. _______________________________________ [1]
b Write 6 minutes as a percentage of 2 hours. _____________________________________ [1]
9 The value of a car decreases by 15% each year.
The value now is $32 000.
a Find the value in one year’s time.
____________________________________________________________________________
____________________________________________________________________________ [2]
b Find the value in two year’s time.
____________________________________________________________________________
Challenge
____________________________________________________________________________ [1]
10 The price of a TV is reduced by 40%.
After the reduction, the price is $150.
Circle the price before the reduction from this list.
$210 $240 $250 $375 [1]
[TOTAL: 20 Marks]
END OF TEST
Cambridge Lower Secondary Mathematics 8 – Byrd, Byrd & Pearce © Cambridge University Press 2021 2
