Finding the Percentage of an Amount Without a
Calculator Mastery Worksheet Answers
For each pathway, start from the given value then work forwards and backwards to find the
missing percentages. Each box contains a percentage of the central value.
For example, in the first question you can go up to find 50% of 200, then left to find 25% of 200,
then continue from there.
1.
75%
150
160%
320
30%
2.
75%
60
225
160%
480
30%
3.
90
75%
60
160%
128
30%
4.
75%
24
105
160%
224
30%
42
25%
45%
20%
25%
45%
20%
25%
45%
20%
25%
45%
20%
50
90
40
75
135
60
20
36
16
35
63
28
50%
100
100%
200
10%
50%
20
150
100%
300
10%
30
50%
40
100%
10%
80
8
50%
70
100%
140
10%
14
68.5%
137
15%
30
5%
10
68.5%
205.5
15%
45
5%
15
68.5%
54.8
15%
12
5%
4
68.5%
95.9
15%
5%
21
7
3.5%
0.5%
1%
7
1
2
3.5%
10.5
0.5%
1%
3.5%
0.5%
1%
3.5%
0.5%
1%
1.5
3
2.8
0.4
0.8
4.9
0.7
1.4