Percents, Fractions, Decimals

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 '%'.

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, 25% becomes 0.25.

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 and 'b' is the denominator.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and then multiply by 100. For example, 1/4 = 0.25 = 25%.

Front

What is a decimal?

Back

A decimal is a way of representing numbers that are not whole numbers, using a point to separate the whole part from the fractional part.

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100. For example, 0.75 = 75%.

Front

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

Back

Percents, fractions, and decimals are different ways to represent the same value. They can be converted into one another.

Front

If 50% of a class of 30 students are girls, how many girls are there?

Back

There are 15 girls in the class (50% of 30 = 0.5 * 30 = 15).

Front

What is 1/2 as a percent?

Back

1/2 is equal to 50%.

Front

If there are 10 apples and 3 are red, what percentage of the apples are red?

Back

30% of the apples are red (3 out of 10 = 0.3 = 30%).