Percentages

Percentage

A percentage is a part per 100. The symbol is %.

A percentage will always be....

Out of 100

100% is the same as saying.....

100/100. For example: 100/100 of this circle is shaded so 100% of this circle is shaded.

100% of any number is...

Just the number unchanged. For example: 100% of 75 is 75

0.5 and 1/2 are the same as

50%

0.25 and 1/4 are the same as

25%

0.75 and 3/4 are the same as

75%

To find 10% of a number....

Divide the number by 100. Then multiply the answer by 10

To find 30% of number.....

Divide the number by 100. Then multiply the answer by 10. Then multiply by 3.

The number that a percentage represents is different depending on....

The number that 100% represents

10%

10/100...or...1/10...or...0.1

20%

20/100...or...2/10...or...0.2

25%

25/100...or...1/4...or...0.25

30%

30/100...or...3/10...or....0.30

50%

50/100...or...5/10...or...1/2...or...0.5

75%

75/100...or...3/4...or...0.75

1%

1/100...or...0.01

5%

5/100...or...0.05

90%

90/100...or...9/10...or...0.9

100%

100/100...or...1 whole...or...1.0

1000%

1000/100...or...10 whole...or...10