Percents, Decimals and Fractions

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'. For example, 50% means 50 out of 100.

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100 and add the percent symbol. For example, 0.5 x 100 = 50%.

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

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, 75% = 75 ÷ 100 = 0.75.

Front

What is 50% of 100?

Back

50% of 100 is 50.

Front

What is 25% of 200?

Back

25% of 200 is 50.

Front

How do you find 10% of a number?

Back

To find 10% of a number, divide the number by 10. For example, 10% of 50 is 50 ÷ 10 = 5.

Front

What is 75% of 80?

Back

75% of 80 is 60.

Front

How do you calculate a tip as a percent?

Back

To calculate a tip, multiply the total bill by the tip percentage (as a decimal). For example, for a $20 bill and a 15% tip: $20 x 0.15 = $3.

Front

What is 20% of 50?

Back

20% of 50 is 10.