Calculating Percentages in Steps
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You can calculate percentages by first finding what 10% of a value is and then what 5 or 1% is. From there you can multiply to find multiples and then add to get the required percentage. The example below shows this.
What is 35% of $40? 
Step 1 
What is 10% of $40?
10% of $40 =
$40 ÷ 10 = $4 
10% is a relatively easy percentage and can be found by dividing by 10. 
Step 2 
3 x $4 = $12
30% of $40 = $12 
30% is 3 times ( 3 x) 10% so we multiply what 10% of $40 is by 3 
Step 3 
What is 5% of $40?
5% of $40 =
$4 ÷ 2 = $2 
5% is half of what 10% is so divide what 10% is by 2 . 
Step 4 
What is 35% of $40?
$12 + $2 = $14 
Add what 30% is to what 5% is. 

Use the above steps to calculate the percentages fill in the blanks in the tables below. The first table is completed for you.

10% 
30% 
5% 
35% 
$10 
$1 
$3 
$0.50 
$3.50 
$20 
$2 
$6 
$1 
$7 
$40 
$4 
$12 
$2 
$14 


10% 
40% 
5% 
45% 
$10 
$1 
$4 
$0.50 
$4.50 
$20 
$2 
$8 
$1 
$9 
$60 
$6 
$24 
$3 
$27 


10% 
80% 
5% 
85% 
$50 
$5 
$40 
$2.50 
$42.50 
$90 
$9 
$72 
$4.50 
$76.50 
$100 
$10 
$80 
$5 
$85 


10% 
1% 
2% 
12% 
$40 
$4 
$0.40 
$0.80 
$4.80 
$60 
$6 
$0.60 
$1.20 
$7.20 
$140 
$14 
$1.40 
$2.80 
$16.80 


 Page Break
Use similar steps as shown on the first example to calculate the percentages and complete the tables below.

10% 
1% 
6% 
16% 
$20 
$2 
$0.20 
$1.20 
$3.20 
$70 
$7 
$0.70 
$4.20 
$11.20 
$120 
$12 
$1.20 
$7.20 
$19.20 


10% 
1% 
3% 
13% 
$40 
$4 
$0.40 
$1.20 
$5.20 
$80 
$8 
$0.80 
$2.40 
$10.40 
$200 
$20 
$2 
$6 
$26 


10% 
1% 
8% 
18% 
$30 
$3 
$0.30 
$2.40 
$5.40 
$70 
$7 
$0.70 
$5.60 
$12.60 
$100 
$10 
$1 
$8 
$18 


10% 
5% 
2.5% 
17.5% 
$20 
$2 
$1 
$0.50 
$3.50 
$30 
$3 
$1.50 
$0.75 
$5.25 
$40 
$4 
$2 
$1 
$7 


10% 
5% 
2.5% 
12.5% 
$30 
$3 
$1.50 
$0.75 
$3.75 
$80 
$8 
$4 
$2 
$10 
$90 
$9 
$4.50 
$2.25 
$11.25 


10% 
60% 
5% 
65% 
$40 
$4 
$24 
$2 
$26 
$70 
$7 
$42 
$3.50 
$45.50 
$90 
$9 
$54 
$4.50 
$58.50 


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