Chapter 6 Section 4 Fractions Decimals And Percents

Chapter 6, Section 4: Fractions, Decimals, and Percents
Write each faction as a decimal.
5/8
9/20
¾
5/6
2/3
8/11
0.625
0.45
0.75
0.833333
0.66666
0.72727272727272

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%
72%
1 st : Write as the % over 100 (#/100) 2 nd : Simplify. Check answers with Ms. D-H.

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: Percent  Decimal
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.
4 th : your answer is 0.097

Try These, Percent  Decimal
16%
62.5%
120%
Check answers with Ms. D-H.

Word Problem Alert
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 #21
Practice 6-4
www.phschool.com, code: awe-0604

Chapter 6 Section 4 Fractions Decimals And Percents

by Middle School on Mar 24, 2010

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