Introduction to ArtificiaI Intelligence in Higher Education
6.5 notes
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
