Percent Practice

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 30% of 50, calculate 50 * 0.30 = 15.

Front

What does it mean if a number is a certain percentage of another number?

Back

It means that the first number is that fraction of the second number. For example, if 28 is 70% of a number, it means 28 is 70 out of every 100 parts of that number.

Front

How do you find what number a percentage represents?

Back

To find what number a percentage represents, divide the part by the percentage (in decimal form). For example, if 42 is 50% of a number, divide 42 by 0.50 to find the whole number.

Front

What is 50% of a number?

Back

50% of a number is half of that number. For example, 50% of 84 is 42.

Front

What is 100% of a number?

Back

100% of a number is the number itself. For example, 100% of 40 is 40.

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, 65% as a decimal is 0.65.

Front

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

Back

The formula is: Percentage = (Part/Whole) * 100.

Front

If 22.5 is 3% of what number, how do you find that number?

Back

To find the number, divide 22.5 by 0.03. So, 22.5 / 0.03 = 750.

Front

What is the relationship between percentages and fractions?

Back

Percentages can be converted to fractions by placing the percentage over 100 and simplifying. For example, 25% = 25/100 = 1/4.