Gcse Grade C Exam Practice Worksheet With Answer Key - Alperton Community School Page 4
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28SOLUTIONS
1.
2.00
−
=
3
. 7
91
81
. 3
583251
3.583251…… × 4.32 = 15.47964..…
6.23 + 1.491 = 7.721
15.47964…÷7.721 = [3]
2.
(i)
100.5 Least length = 100.5
(ii) 101.5 Greatest length = 101.5 [2]
3.
(a)
1.9626…
×
. 6
27
. 4
52
28
.
3404
=
= 1.962631579
+
. 4
81
. 9
63
14
.
44
(b) 1.96
18000 ×
20000 ×
365
400
4.
2000
3500
4000
1
600
640
5.
20-21
or
×
×
3
3
10
3
2 .
10
6.
(a)
5.77974(…)
14.44 – 8.660254038
(b)
6
7.
Eg 6 × 300 ÷ 0.5= 3600
×
400
6
2400
=
8.
12000
0
2 .
0
2 .
. 6
06
9.
(a)
1.24015
(b) 1.24
. 1
985
10.
20 x 4 / 0.2 = 80 / 0.2 = 800 /2 =400
25
.
96
. 5
09509
...
=
11.
(a)
1.258048316
. 4
05
. 4
05
(b)
1.26
12.
(i)2749.5
(ii)
0.423
Alperton Community School Maths Department: GCSE Grade C Exam Practice
4
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