Cambridge Essentials Mathematics Core 8 N2 End-of-unit Test 2
/ N2 End-of-unit Test 21 a What is 50% of £120?
£……………
1 mark
b What is 75% of 80kg?
……………kg
1 mark
2 What percentage of these shapes are shaded?
……………% ……………%
2 marks
3 Shade 25% of this shape. Shade 62% of this shape.
2 marks
4 a Work out the missing values.
10% of 200=……………
5% of 200=……………
2% of 200=……………
2 marks
b The cost of a portable TV is £200 plus 17% VAT.
What is the total cost of the TV?
You can use part a to help.
£……………
2 marks
5 Look at this information:
Use the information to fill in the missing numbers.
= %
1 mark
= %
1 mark
= 30%
1 mark
6 a Write as a decimal.
……………
1 mark
b Write as a decimal.
……………
1 mark
c Write 15% as a fraction.
______
1 mark
d Write 35% as a decimal.
……………
1 mark
e Write as a percentage.
…………… %
1 mark
f Write 0.95 as a percentage.
…………… %
1 mark
7 There are 20 students in a class.
12 of them are girls.
a What percentage of the class are girls?
……………%
1 mark
b What percentage of the class are boys?
……………%
1 mark
8 In a quiz, Mark answers 32 out of the 40 questions correctly.
What percentage of the questions did he answer correctly?
……………%
1 mark
9 Write a number in each box to make the calculations correct.
a × 10 = 5.7
b 6.23 ÷ = 0.0623
c 0.04 ÷ 5 =
d 90 ×= 5.4
4 marks
10 A car tyre has a normal price of £120
The price is reduced by 15%
What is the reduced price of the tyre?
£……………
2 marks
You may use a calculator for questions 11 and 12.
11 Ben says, ‘To the nearest percent, is 14%.’
Sally says,‘To the nearest percent, will be 28%’
Is Sally right? Yes No
Explain your answer.
1 mark
12 Which is greater, 60% of 90 or 70% of 70?
60% of 90 70% of 70
Explain your answer.
1 mark
END OF ASSESSMENT
/ N2 End-of-unit Test 2 – Teacher GuidanceUnits covered: N2.3, N2.4
Guide to Levels.
Level / Description4 / Expressing decimals as fractions
Finding equivalent fractions (simple denominators)
Ordering common percentages
Knowing simple fraction and percentage equivalents
5 / Finding fraction and percentage equivalents
Finding percentages of shaded shapes
Calculating simple fractions and percentages of quantities
6 / Calculating fractions and percentages of quantities
Working out equivalencies between fractions, decimals and percentages
Writing one number as a fraction or percentage of another
7 / Calculating percentage increase and decrease
Answers
Question / Level / Mark / Answer / Notes1a
b / 4
4 / 1
1 / £60
60kg / 1 mark
1 mark
2a
b / 4
5 / 1
1 / 40%
37.5% / 1 mark
1 mark
3a
b / 4
5 / 1
1 / 2/8 shaded
5/8 shaded / 1 mark
1 mark
4 a
b / 5
5 / 2
2 / 20
10
5
£235 / 2 marks for all 3 correct, or 1 mark for 2 correct
2 marks for £235, or 1 mark for 17½% as £35
5 / 6 / 1
1
1 / 20
20
24 / 1 mark
1 mark
1 mark
6 a
b
c
d
e
f / 6
6
6
6
6
6 / 1
1
1
1
1
1 / 0.625
0.28
15/100
0.35
17½%
95% / 1 mark
1 mark
1 mark 15/100 or 3/20 or equivalent
1 mark
1 mark
1 mark
7 a
b / 6
6 / 1
1 / 60%
40% / 1 mark
1 mark for 40 or (100− a)
8 / 6 / 1 / 80% / 1 mark
9 / 6
6
6
6 / 1
1
1
1 / 0.57
100
0.008
0.06 / 1 mark
1 mark
1 mark
1 mark
10 / 7 / 2 / £102 / 2 marks for £102 or 1 mark for complete method e.g. ×0.85 or equivalent
11 / 7 / 1 / Reason / 1 mark for No and reason (e.g. 28.57% to 29%)
12 / 7 / 1 / 60% and reason / 1 mark for 60% and reason (e.g. 54 > 49)
NB: Levels are approximate only.
Suggested guidance on overall level based on performance:
Level 4 / Level 5 / Level 6 / Level 7 / Total4 marks / 7 marks / 18 marks / 23 marks / 30 marks
NB: Levels are approximate only.
Original material © Cambridge University Press 2009 / 1