Educator

Finding a Percent of a Number

• To find 10% of a number, move the decimal one place to the left.
• You can find 15% or 20% of a number, for tips, by finding 10% as a base.
• Remember to check if your answer makes sense. A percent over 100 is larger than the number. A percent smaller than the number is only a portion of the number.
• These are common fractions, percents, and decimals to remember.

Percent	5%	10%	20%	25%	50%	75%	100%
Fraction	5/100 = 1⁄20	10/100 = 1⁄10	20/100 = 1⁄5	25/100 = 1⁄4	50/100 = 1⁄2	75/100 = 3⁄4	100/100 = 1
Decimal	0.05	0.1	0.2	0.25	0.5	0.75	1