Percent IIPercent II
by Monica Yuskaitis
DefinitionDefinition
Percent can be defined as “of one hundred.”
100of
20 % Means20 % Means20 parts out of 100 or 20 hundredths.
100999897969594939291
90898887868584838281
80797877767574737271
70696867666564636261
60595857565554535251
50494847464544434241
40393837363534333231
30292827262524232221
20191817161514131211
10987654321
Percents Have Equivalents in Percents Have Equivalents in Decimals and FractionsDecimals and Fractions
20% .20 20100
15= = =
Decimal FractionFraction
SimplifiedPercent
How to Find the Percent of a How to Find the Percent of a Whole NumberWhole Number
The first thing to remember is “of” means multiply in mathematics.
of = x
How to Find the Percent of a How to Find the Percent of a Whole NumberWhole Number
Step 1 - When you see a percent problem you know when you read “of” in the problem you multiply.
25% of 200x
How to Find the Percent of a How to Find the Percent of a Whole NumberWhole Number
Step 2 – Change your percent to a decimal and then move it two places to the left.
25% x 200..
How to Find the Percent of a How to Find the Percent of a Whole NumberWhole Number
Step 3 – Multiply just like a regular decimal multiplication problem.
200x .251000
+4005000
How to Find the Percent of a How to Find the Percent of a Whole NumberWhole Number
Step 4 – Place the decimal point 2 places to the left in your answer.
200x .251000
+4005000.
What is the percent of this number?What is the percent of this number?
820x .20
000+164016400.
20 % of 820.. x
What is the percent of this number?What is the percent of this number?
725x .40
000+290029000.
40 % of 725.. x21
What is the percent of this number?What is the percent of this number?
692x .60
000+415221520.
60 % of 692.. x15