Percent: Finding the Part

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is often used to compare ratios and proportions.

Front

How do you find a percentage of a number?

Back

To find a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 12% of 25, calculate 25 x 0.12 = 3.

Front

What does it mean to find the part in a percentage problem?

Back

Finding the part means calculating how many items or units correspond to a given percentage of a total.

Front

If 12% of 25 projects received a perfect score, how do you calculate the number of projects that did?

Back

Multiply 25 by 0.12 to find the number of projects: 25 x 0.12 = 3.

Front

How do you calculate the number of students who are not athletes if 35% are athletes?

Back

First, find 35% of the total number of students, then subtract that number from the total. For 267 students, 35% is 93. So, 267 - 93 = 174 students are not athletes.

Front

What is the formula to find the number of items that are not a certain percentage?

Back

To find the number of items that are not a certain percentage, subtract the number of items that are that percentage from the total. For example, if 28% of 300 pieces are red, then 300 - (300 x 0.28) = 216 pieces are not red.

Front

In a class of 30 students, if 70% completed an essay, how do you find how many completed it?

Back

Multiply the total number of students by the percentage: 30 x 0.70 = 21 students completed the essay.

Front

What is the relationship between part, whole, and percent?

Back

The relationship is defined by the formula: Part = (Percent/100) x Whole.

Front

If a bag of candy has 300 pieces and 28% are red, how many are red?

Back

Calculate 28% of 300: 300 x 0.28 = 84 pieces are red.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 12% becomes 0.12.