Fractions, Decimals, and Percents

Fractions, Decimals, and Percents

How are fractions, decimals, and percents related to one another?

How are fractions, decimals, and percents related to eachother?

They are 3 ways to show portions of a whole.

This circle graph shows each part in a different form.

Write 30% as a fraction and a decimal.

Write 30% as a Fraction

 $30\%\ =\ \frac{30}{100}$ 


30% = 30 out of 100

 $\frac{30}{100}$  means 30 out of 100.

Write 30% as a Decimal

 $30\%\ =\ \frac{30}{100}$ 

 $\frac{30}{100}\ can\ be\ read\ as\ 30\ hundredths$  

 $So,\frac{30}{100}\ =\ 0.30$ 

Poll

How do you feel about changing percents into decimals and fractions?

• Great!

• So-So

• Confused