Percent of a Number (7th)

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 percent of a number?

Back

To calculate a percent of a number, multiply the number by the percent (in decimal form). For example, to find 25% of 80, calculate 80 * 0.25.

Front

What is 50% of a number?

Back

50% of a number is half of that number. For example, 50% of 80 is 40.

Front

What does it mean to find 75% of a number?

Back

Finding 75% of a number means calculating three-quarters of that number. For example, 75% of 240 is 180.

Front

How do you convert a percent to a decimal?

Back

To convert a percent to a decimal, divide the percent by 100. For example, 98% becomes 0.98.

Front

What is 10% of 150?

Back

10% of 150 is 15, calculated as 150 * 0.10.

Front

If a student answers 80% of 30 questions correctly, how many questions did they answer correctly?

Back

They answered 24 questions correctly, calculated as 30 * 0.80.

Front

What is 25% of 80?

Back

25% of 80 is 20, calculated as 80 * 0.25.

Front

What is 98% of 254?

Back

98% of 254 is 248.92, calculated as 254 * 0.98.

Front

What is 118% of 68?

Back

118% of 68 is 80.24, calculated as 68 * 1.18.