Percentage of Number Worksheet

Calculate the percentages.

 1 a. 70%  of  18
 1 b. 40%  of  20
 2 a. 20%  of  20
 2 b. 10%  of  38
 3 a. 100%  of  42
 3 b. 20%  of  84
 4 a. 0%  of  12
 4 b. 40%  of  4
 5 a. 40%  of  72
 5 b. 50%  of  68
 6 a. 90%  of  54
 6 b. 50%  of  36
 7 a. 50%  of  48
 7 b. 60%  of  40
 8 a. 20%  of  48
 8 b. 70%  of  66
 9 a. 50%  of  38
 9 b. 20%  of  16
 10 a. 60%  of  26
 10 b. 100%  of  46
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Answers are rounded to 3 decimals.

1 a.
 70% of 18 is 12.6 0.7 × 18 = 12.6
1 b.
 40% of 20 is 8 0.4 × 20 = 8
2 a.
 20% of 20 is 4 0.2 × 20 = 4
2 b.
 10% of 38 is 3.8 0.1 × 38 = 3.8
3 a.
 100% of 42 is 42 1 × 42 = 42
3 b.
 20% of 84 is 16.8 0.2 × 84 = 16.8
4 a.
 0% of 12 is 0 0 × 12 = 0
4 b.
 40% of 4 is 1.6 0.4 × 4 = 1.6
5 a.
 40% of 72 is 28.8 0.4 × 72 = 28.8
5 b.
 50% of 68 is 34 0.5 × 68 = 34
6 a.
 90% of 54 is 48.6 0.9 × 54 = 48.6
6 b.
 50% of 36 is 18 0.5 × 36 = 18
7 a.
 50% of 48 is 24 0.5 × 48 = 24
7 b.
 60% of 40 is 24 0.6 × 40 = 24
8 a.
 20% of 48 is 9.6 0.2 × 48 = 9.6
8 b.
 70% of 66 is 46.2 0.7 × 66 = 46.2
9 a.
 50% of 38 is 19 0.5 × 38 = 19
9 b.
 20% of 16 is 3.2 0.2 × 16 = 3.2
10 a.
 60% of 26 is 15.6 0.6 × 26 = 15.6
10 b.
 100% of 46 is 46 1 × 46 = 46

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