1. Decimals, Fractions, and Percents August 30, 2010

2. Decimals  Fractions Non-repeating Drop decimal point Put number over place value Reduce Example 0.4 = =

3. Decimals  Fractions Examples 0.4 = = 0.22 = = 0.121 = 5.011 = =

4. Decimals  Fractions Repeating Decimals If one digit repeats, put over 9 and reduce If two digits repeat, put over 99 and reduce If three digits repeat, put over 999 and reduce Examples = = = 3. = =

5. Decimals  Fractions If you are using a TI Graphing Calculator (TI-83+, TI-84), you can check yourself: Type in the decimal Select Math Select #1: Fraction Select Enter Decimal  Math  Enter Enter Note: You still must SHOW YOUR WORK with all of the steps on your homework and test. This is only to check your answer.

6. Fractions  Decimals Numerator Denominator Examples = 3.

7. Decimals  Percents Percent (%) means hundredths Move decimal point 2 places to right Use % Examples 3. 4.

8. Percents Decimals Drop % Symbol Move decimal point 2 places to the left Examples 3. 4.

9. Percents Fractions andFractions  Percents Percent  Decimal  Fraction Fraction  Decimal  Percent Examples 1. 2.

10. Exit Slip Change to a fraction. Change to a decimal. Change .34 to a percent. Change 2% to a decimal.