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Math Percentage Calculations Test

This document is an end of unit test for Stage 8 mathematics students. It contains 10 multiple choice and short answer questions testing students' understanding of percentages, percentage increases and decreases, and solving percentage problems. The test covers calculating percentages, finding percentage changes, applying percentages to real world scenarios like price reductions, and expressing one quantity as a percentage of another.

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5K views2 pages

Math Percentage Calculations Test

This document is an end of unit test for Stage 8 mathematics students. It contains 10 multiple choice and short answer questions testing students' understanding of percentages, percentage increases and decreases, and solving percentage problems. The test covers calculating percentages, finding percentage changes, applying percentages to real world scenarios like price reductions, and expressing one quantity as a percentage of another.

Uploaded by

AJ
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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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.

____________________________________________________________________________

____________________________________________________________________________ [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

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