Percentage of Number Worksheet

Calculate the percentages.

 1 a. 250%  of  90
 1 b. 100%  of  40
 2 a. 400%  of  30
 2 b. 350%  of  10
 3 a. 150%  of  10
 3 b. 150%  of  60
 4 a. 450%  of  90
 4 b. 500%  of  40
 5 a. 250%  of  10
 5 b. 250%  of  60
 6 a. 350%  of  90
 6 b. 500%  of  60
 7 a. 300%  of  30
 7 b. 400%  of  90
 8 a. 200%  of  80
 8 b. 250%  of  20
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# Answer Key

1 a.
 250% of 90 is 225 2.5 × 90 = 225
1 b.
 100% of 40 is 40 1 × 40 = 40
2 a.
 400% of 30 is 120 4 × 30 = 120
2 b.
 350% of 10 is 35 3.5 × 10 = 35
3 a.
 150% of 10 is 15 1.5 × 10 = 15
3 b.
 150% of 60 is 90 1.5 × 60 = 90
4 a.
 450% of 90 is 405 4.5 × 90 = 405
4 b.
 500% of 40 is 200 5 × 40 = 200
5 a.
 250% of 10 is 25 2.5 × 10 = 25
5 b.
 250% of 60 is 150 2.5 × 60 = 150
6 a.
 350% of 90 is 315 3.5 × 90 = 315
6 b.
 500% of 60 is 300 5 × 60 = 300
7 a.
 300% of 30 is 90 3 × 30 = 90
7 b.
 400% of 90 is 360 4 × 90 = 360
8 a.
 200% of 80 is 160 2 × 80 = 160
8 b.
 250% of 20 is 50 2.5 × 20 = 50

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