Fractions, Decimals, Percents

Changing fractions to decimals Divide the top (numerator) by the bottom (denominator)! Copyright © 2000 by Monica Yuskaitis

Expressas a decimal.

Expressas a decimal.

Convertto a decimal..

. Convertto a decimal.

Changing Decimals to Percents Copyright © 2000 by Monica Yuskaitis

Express as a percent Move decimal point 2 places to the right and add the % sign. Convert to a percent

Convert decimals to percents Make sure there are at least two digits at the decimal points; add zero where needed (this does not change the value of the number).

Changing Percents to Decimals Copyright © 2000 by Monica Yuskaitis

Express % as a decimal Move decimal point 2 places to the LEFT and remove the % sign.

Express the percents as decimals

Worksheet Copyright © 2000 by Monica Yuskaitis

How to Change Fractions to Percents Step 1 - Divide the denominator into the numerator. 3 4

Copyright © 2000 by Monica Yuskaitis How to Change Fractions to Percents Step 2 – Place a decimal in your quotient exactly above the decimal. 3 4 Putting the decimal in the right spot is important. 4)4) 3.00.

Copyright © 2000 by Monica Yuskaitis How to Change Fractions to Percents Step 3 – Divide exactly like you would with long division. 3 4 Great job! 4)4)

Copyright © 2000 by Monica Yuskaitis How to Change Fractions to Percents Step 4 – Move the decimal 2 places to the right and change the decimal to a percent sign. 3 4 Now wasn’t that easy!. 75% =

Copyright © 2000 by Monica Yuskaitis You try: Change this fraction to a percent 1 5 The first step is to divide the denominator into the numerator. 5)5) 1

Copyright © 2000 by Monica Yuskaitis Change this fraction to a percent 1 5 The second step is to add a decimal & 2 zeros after the dividend. 5)5) 1.00

Copyright © 2000 by Monica Yuskaitis Change this fraction to a percent 1 5 The third step is to place the decimal in the quotient directly above the decimal. 5)5) 1.00.

Copyright © 2000 by Monica Yuskaitis Change this fraction to a percent 1 5 The fourth step is to divide using long division. 5)5)

Copyright © 2000 by Monica Yuskaitis Change this fraction to a percent 1 5 The fifth step is to move the decimal point 2 places to the right and change it to a percent sign. 5)5) %

Express fractions as percents by long division

Changing decimals to fractions Find the place value of the last number. That is the denominator! Copyright © 2000 by Monica Yuskaitis

Convert decimal to base 10 fraction; simplify

Changing a percent to a fraction Percents are always over 100!!

Express percents to fractions by dividing by 100

Decention Game Decention.html Copyright © 2000 by Monica Yuskaitis

Worksheet

Matching Game tiondecimalpercentage/comparing/comparin gall3/game.shtml

Jeopardy game Decimals-Percents-Jeopardy/fractions- decimals-percents-jeopardy.html Decimals-Percents-Jeopardy/fractions- decimals-percents-jeopardy.html

Large and small percents Change to fractions (remember percents are always over 100!). Change to decimals (move decimal 2 places to the left) % % 3. 1/6%

Change to fractions (remember percents are always over 100!). Change to decimals % % 6. 5/8%

8-4 Study Guide

Review for test! You will need to know how to convert between fractions, decimals, and percents: including large and small percents! Copyright © 2000 by Monica Yuskaitis