Fractions, Decimals, Percents

Fractions, Decimals, Percents

Converting Between All Forms of Numbers

How to Change Percents to Fractions

• Write the percent over 100

• Simplify to lowest terms

Check out this practice problem

Can you change 35% to a fraction?

One more practice problem....

Can you change 82% to a fraction?

Multiple Choice

Now it's your turn.....

What is 45% as a fraction in lowest terms?

• $$\frac{45}{100}$$

• $$\frac{5}{20}$$

• $$\frac{9}{20}$$

• $$\frac{9}{10}$$

Multiple Choice

What is 87% as a fraction in lowest terms?

• $\frac{87}{100}$

• $\frac{42}{50}$

• $\frac{21}{42}$

• $\frac{3}{4}$

Multiple Choice

What is 125% as a fraction in lowest terms?

• $$\frac{4}{5}$$

• $$1\frac{3}{4}$$

• $$\frac{25}{20}$$

• $$1\ \frac{1}{4}$$

How to Change Fractions to Percents

• Determine what to multiply the denominator by to get to 100

• Multiply the numerator by the same number

• The new fraction is out of 100 so the numerator is the percent.

Check out this practice problem

One more practice problem....

Multiple Choice

Now it's your turn!

$$What\ is\ \frac{6}{10}as\ a\ percent?\$$  

• 6%

• 30%

• 60%

• 20%

Multiple Choice

$$What\ is\ \frac{11}{20}as\ a\ percent?\$$  

• 11%

• 20%

• 55%

• 22%

Multiple Choice

$$What\ is\ 1\frac{17}{20}as\ a\ percent?\$$  

• 34%

• 85%

• 134%

• 185%

How do you change percents to decimals?

• Multiply a decimal by 100 to get a percent.

• Divide a percent by 100 to get a decimal.

Check out this practice problem....

How do you change 47% to a decimal?

Converting a decimal to a percent

How can you change 0.54 to a percent?

Multiple Choice

What is 12.5% as a decimal?

• 12.5

• 125

• 0.125

• 1.25

Multiple Choice

What is 134% as a decimal?

• 1.34

• 0.134

• 13.4

• 0.0134

Multiple Choice

What is 0.034 as a percent?

• 34%

• 3.4%

• 340%

Multiple Choice

What is 1.49 as a percent?

• 149%

• 14.9%

• 1.49%

The End!!!!

Make sure to answer the questions on the Google Form for homework tonight. Check the Google Classroom for the link!