This document provides instruction on converting between fractions, decimals, and percents. It begins with examples of writing percents as fractions and decimals. It then explains how to write decimals as percents by moving the decimal point two places to the right. Finally, it demonstrates how to write a fraction as a percent by first dividing and then moving the decimal point. The homework assignment is to complete problems 6 through 36 of page 312 in the workbook.

1. 6.5 fractions decimals percents January 11, 2012
Bellwork
Write each percent as a decimal.
1. 30% 2. 112%
3. What is the probability of getting tails when flipping a
coin 6 times?
4. What are the odds in favor of selecting a vowel in the
word PRE-ALGEBRA?
Objective: changing fractions, decimals and percents
HW pg. 312 #6­36 evens 1

2. 6.5 fractions decimals percents January 11, 2012
Percent - ratio that compares a number to 100.
Therefore, you can write a percent as a fraction with a denominator of 100.
Write each percent as a fraction or a mixed number.
5% Write as a fraction with a denominator over 100. 125%
Simplify.
Write as a mixed number if needed.
HW pg. 312 #6­36 evens 2

3. 6.5 fractions decimals percents January 11, 2012
Write 9.7% as a decimal. Write as a fraction with
denominator of 100
Divide by moving the
decimal point left two places.
HW pg. 312 #6­36 evens 3

4. 6.5 fractions decimals percents January 11, 2012
To write a decimal as a percent, move the decimal two places to the right
and add a percent sign.
Write 0.333 as a percent.
Write 1.75 as a percent.
HW pg. 312 #6­36 evens 4

5. 6.5 fractions decimals percents January 11, 2012
Write a fraction as a percent.
Divide. Then move the decimal two places to the right.
Five out of sixteen families own dogs. What percent of families own dogs?
HW pg. 312 #6­36 evens 5

6. 6.5 fractions decimals percents January 11, 2012
HW pg 312 # 6-36 evens
HW pg. 312 #6­36 evens 6