Procedural Revision Worksheet With Answers - Year 9 Page 2
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1
2
3
411.
Find
a) 10% of 320
32
b) 20% of 320
64
c) 30_% of 320 = 96
d) 1% of 560kg
5.6kg
e) 6% of 560kg
33.6kg
12. Find the value of
a)
of 20kg
12kg
b)
of 35g
10g
c)
of £2
£1.40
d)
of 124m
93m
3
2
7
3
5
7
10
4
13. (a)
Write 3 as a percentage of 10
30%
(b) Write 12 as a percentage of 25
48%
14.
a)
Share 160 sweets in the ratio of 1 : 9
16 , 144
b)Share £150 in the ratio of 2 : 3 : 5
30, 45, 75
c)
Tim shared 50 pens between himself and his friend Tom in the ratio of 4: 1. How many pens
will each boy receive?
Tim 40, Tom 10
d)
If 6 apples cost £1.80, how much would 15 apples cost?
£4.50
15.
a) 0 ∙ 33 + 8 ∙ 2 =
8.53
b) 78 ∙ 335 - 38 ∙ 2=
40.135
c) 35.938 + 7.82 + 9 =
52.758
c) 0 ∙ 3 x 2=
0.6
d) 8 x 0 ∙ 02 =
0.16
e)
64 ÷ 0 ∙ 8 =
80
f) 39 ÷ 0 ∙ 3 =
130
g)
24 ÷ 0.03 =
800
h)
35 x 18 =
630
i) 374 x 82 =
30668
j)
1250 ÷ 25 =
50
16. Estimate the total of the following lengths
1.95m, 3.75m, 1.2m, 7.05m.
2 + 4 + 1 + 7 = 14m
17. Tom bought 9 packets of sweets for his friends. Each packet of sweets cost £1.95.
Estimate how
much Tom spent on the sweets.
20p
18. Round the following values correct to 1 decimal place.
a)
83.23
83.2
b) 3.78
3.8
c) 0.372
0.4
d) 0.999
1.0
Round the following values correct to 2 decimal places.
e)
12.736
12.74
f) 43.781
43.78
g) 80.372
80.37
h) 0.999
1.00
Round the following values correct to 3 decimal places.
i)
12.4764
12.476
j) 83.7850
83.785
k) 290.3728
290.373
l) 0.9999
1.000
Round the following values correct to 1 significant figure.
m)
465
500
n) 5368
5000
o) 8.87
9
p) 0.99
1
Round the following values correct to 2 significant figures.
q)
2871
2900
r) 8310
8300
s) 90.3728
90
t) 0.9999
1.0
19. Round the following to the nearest penny
a)
£38.876
£38.88
b)
£198.820
£198.82
c)
£99.999
£100
20. Round the following to the nearest tenth of a second
a)
3.928 seconds
3.9s
b)
7.952 seconds
8.0s
c)
87.975 seconds
88.0s
21. Round the following to the nearest hundredth of a second
a)
3.928 seconds
3.93s
b)
7.952 seconds
7.95s
c)
87.975 seconds
87.98s
22. a)
Write down all of the multiples of 4 between 20 and 40
20,24,28,32,36,40
b)
Write down all of the multiples of 9 between 60 and 120
63,72,81,108,117
c)
Write down all of the multiples of 12 between 50 and 150
60, 72,84,96, 108, 120, 132, 144
23. a)
Write down all of the factors of 20
1, 2, 4, 5, 10, 20
b)
Write down all of the factors of 36
1, 2, 3, 4, 6, 9, 12, 18, 36
c)
Write down all of the factors of 56
1, 2, 4, 7, 8, 14, 28, 56
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