Finding Percent of a Number

Front

What is the formula to find the percent of a number?

Back

To find the percent of a number, use the formula: (Percent / 100) * Total Number.

Front

If 20% of a number is 15, what is the total number?

Back

The total number is 75. (15 = 20% of Total Number; Total Number = 15 / 0.20)

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and multiply by 100.

Front

What is 75% of 240?

Back

75% of 240 is 180.

Front

If a student completes 30% of their assignments and has finished 12 assignments, how many total assignments are there?

Back

There are 40 total assignments. (12 = 30% of Total Assignments; Total Assignments = 12 / 0.30)

Front

What is the relationship between percentages, fractions, and decimals?

Back

Percentages are a way to express a number as a fraction of 100. A percentage can be converted to a decimal by dividing by 100.

Front

How do you find what percent one number is of another?

Back

To find what percent one number is of another, use the formula: (Part / Whole) * 100.

Front

What is 30% of 100?

Back

30% of 100 is 30.

Front

If 32 is not 30% of 100, what is 30% of 100?

Back

30% of 100 is 30, not 32.

Front

How do you calculate the total when given a percentage and a part?

Back

To calculate the total, divide the part by the percentage (in decimal form). For example, if the part is 18 and the percentage is 20%, Total = 18 / 0.20.