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Percent II by Monica Yuskaitis. Copyright © 2000 by Monica Yuskaitis Definition Percent can be defined as “of one hundred.” 100 of.

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Presentation on theme: "Percent II by Monica Yuskaitis. Copyright © 2000 by Monica Yuskaitis Definition Percent can be defined as “of one hundred.” 100 of."— Presentation transcript:

1 Percent II by Monica Yuskaitis

2 Copyright © 2000 by Monica Yuskaitis Definition Percent can be defined as “of one hundred.” 100 of

3 Copyright © 2000 by Monica Yuskaitis 20 % Means 20 parts out of 100 or 20 hundredths. 12345678910 11121314151617181920 21222324252627282930 31323334353637383940 41424344454647484950 51525354555657585960 61626364656667686970 71727374757677787980 81828384858687888990 919293949596979899 100

4 Copyright © 2000 by Monica Yuskaitis Percents Have Equivalents in Decimals and Fractions 20%.20 20 100 1515 = == DecimalFraction Simplified Percent

5 Copyright © 2000 by Monica Yuskaitis How to Find the Percent of a Whole Number The first thing to remember is “of” means multiply in mathematics. of = x

6 Copyright © 2000 by Monica Yuskaitis How to Find the Percent of a Whole Number Step 1 - When you see a percent problem you know when you read “of” in the problem you multiply. 25% of 200 x

7 Copyright © 2000 by Monica Yuskaitis How to Find the Percent of a Whole Number Step 2 – Change your percent to a decimal and then move it two places to the left. 25% x 200..

8 Copyright © 2000 by Monica Yuskaitis How to Find the Percent of a Whole Number Step 3 – Multiply just like a regular decimal multiplication problem. 200 x. 25 1000 +400 5000

9 Copyright © 2000 by Monica Yuskaitis How to Find the Percent of a Whole Number Step 4 – Place the decimal point 2 places to the left in your answer. 200 x. 25 1000 +400 5000.

10 Copyright © 2000 by Monica Yuskaitis What is the percent of this number? 820 x.20 000 +1640 16400. 20 % of 820.. x

11 Copyright © 2000 by Monica Yuskaitis What is the percent of this number? 725 x.40 000 +2900 29000. 40 % of 725.. x 21

12 Copyright © 2000 by Monica Yuskaitis What is the percent of this number? 692 x.60 000 +4152 21520. 60 % of 692.. x 15

13 Copyright © 2000 by Monica Yuskaitis Credits Clipart from “Microsoft Clip Gallery” located on the Internet at http://cgl.microsoft.com/http://cgl.microsoft.com/ clipgallerylive/default.asp


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