Like this presentation? Why not share!

# 6.5: Fractions, Decimals, and Percents

## by Middle School on Dec 10, 2008

• 6,706 views

Fractions, Decimals, Percents

Fractions, Decimals, Percents

### Views

Total Views
6,706
Views on SlideShare
6,693
Embed Views
13

Likes
1
108
0

### 5 Embeds13

 http://www.slideshare.net 5 http://msdhpowerpoints.blogspot.com 3 http://jparrish-livingdaybyday.blogspot.com 2 http://blackboard.cpsb.org 2 http://ccc.blackboard.com 1

### Categories

Uploaded via SlideShare as Microsoft PowerPoint

## 6.5: Fractions, Decimals, and PercentsPresentation Transcript

• Warm Up: 6.5
• I roll three dice, 2 standard (6 sided) and 1 (4 sided) dice .
• Tell me P(rolling an even number):
• Tell me the ODDS in favor of a 2 or 4 being rolled.
• Chapter 6, Section 5: Fractions, Decimals, and Percents December 10, 2008
• Percent
• A PERCENT is a Ratio that Compares a number to 100.
• Therefore, you can write a percent as a fraction with a denominator of 100.
• If you can write it as a fraction, it means you can write it as a ratio, decimal, and percent as well.
• Write as a fraction or mixed number in Simplest Form.
• 5%
• 58%
• 144%
1 st : Write as the % over 100 #/100 2 nd : Simplify.
• Percent  Decimal
• Write the Percent as a Fraction, with a denominator of 100, then Divide.
• Remember Top Number goes in the House.
• Bottom Number goes outside of the House.
• Try This
• 9.7 %
• 1 st : Don’t let the decimal percent phase you.
• 2 nd : Put 9.7 over 100 to make a fraction.
• 3 rd : Divide 9.7 by 100.
• Try These, Percent  Decimal
• 16%
• 62.5%
• 120%
• About 45% of the people in the United States have type O blood. Express this percent as a decimal and as a fraction in simplest form.
• Decimal  Percent
• 1 st : Rewrite Decimal as a Fraction, with a denominator of 100.
• 2 nd : Write the fraction as a percent.
• OR
• Move the decimal point two places to the right and add a percent sign!
• Try These: Use the First Method, Check your Answer with the Second Method: Decimal  Percent
• 0.333
• 0.023
• 1.75
• Fraction  Percent
• 1 st : Divide the numerator by the denominator.
• 2 nd : Turn the Decimal quotient into a percent (using either of the previous two methods).
• Try This:
• Five out of sixteen families in the Argentina own Penguins. What percent of families own Penguins?
• 1 st : Write as a fraction.
• 2 nd : Divide the numerator by the denominator.
• 3 rd : Write as a percent.
• Try This One Too:
• Three out of eleven families in Argentina own Tarantulas. To the nearest percent, what percent of families own Tarantulas?
27%
• Assignment #46
• Pages 302-303: 15-41 odd. 55-61 all.
• Make sure you write these down correctly!