Bits and Pieces By: Big Dawg Group. Copyright © 2000 by Monica Yuskaitis.
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Transcript of Bits and Pieces By: Big Dawg Group. Copyright © 2000 by Monica Yuskaitis.
Bits and Pieces Bits and Pieces
By: Big Dawg Group
Copyright © 2000 by Monica Yuskaitis
Copyright © 2000 by Monica Yuskaitis
ObjectivesObjectives
Convert percents to decimalsExpress parts of a whole as a
decimal, fraction, and percent
Copyright © 2000 by Monica Yuskaitis
Problem of the DayProblem of the DaySam bought 8 baseball caps, one for each of
her eight friends, for $ 8.95 each. The cashier charged her an additional $12.07 in sales tax. She left the store with a measly
$ 6.28. How much money did Sam start with?
Work with your group to work the problem.Using illustrations, numbers, or words,
show your group’s work on chart paper.
Copyright © 2000 by Monica Yuskaitis
DefinitionDefinition “Cent” comes from the Latin and means 100.
Many words have come from the root cent such as century, centimeter,centipede, & cent.
Copyright © 2000 by Monica Yuskaitis
Percent and MoneyPercent and Money We write our change from a dollar in hundredths.
If you understandmoney, learning percents is a breeze.
Copyright © 2000 by Monica Yuskaitis
Comparing Money & PercentsComparing Money & Percents $ .50 is ½ of a dollar 50% also means ½
50¢
50¢
=$1.00
Copyright © 2000 by Monica Yuskaitis
Comparing Money & PercentsComparing Money & Percents 50% means ½ 50% of 6 stars is 3 stars
=50% of
Copyright © 2000 by Monica Yuskaitis
Comparing Money & PercentsComparing Money & Percents
50% .5050100
12= = =
Decimal FractionFraction
SimplifiedPercent
Copyright © 2000 by Monica Yuskaitis
50 % Means50 % Means50 parts out of 100 or 50 hundredths.
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
Copyright © 2000 by Monica Yuskaitis
Comparing Money & PercentsComparing Money & Percents $ .25 is ¼ of a dollar 25% also means ¼
=$1.00
25¢
25¢
25¢
25¢
Copyright © 2000 by Monica Yuskaitis
Comparing Money & PercentsComparing Money & Percents 25% means ¼ 25% of 8 lemons is 2 lemons
=25% of
Copyright © 2000 by Monica Yuskaitis
Comparing Money & PercentsComparing Money & Percents
25% .2525100
14= = =
Decimal FractionFraction
SimplifiedPercent
Copyright © 2000 by Monica Yuskaitis
25 % Means25 % Means25 parts out of 100 or 25 hundredths.
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
Copyright © 2000 by Monica Yuskaitis
Comparing Money & PercentsComparing Money & Percents $ .10 is 1/10 of a dollar 10% also means 1/10
=$1.00
10¢
10¢
10¢
10¢
10¢
10¢
10¢
10¢
10¢
10¢
Copyright © 2000 by Monica Yuskaitis
Comparing Money & PercentsComparing Money & Percents 10% means 1/10 10% of 10 ice creams is 1 ice cream
=10% of
Copyright © 2000 by Monica Yuskaitis
Comparing Money & PercentsComparing Money & Percents
10% .1010100
110= = =
Decimal FractionFraction
SimplifiedPercent
Copyright © 2000 by Monica Yuskaitis
10 % Means10 % Means10 parts out of 100 or 10 hundredths.
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
Copyright © 2000 by Monica Yuskaitis
Partner ActivityPartner ActivityWork with your partner to answer the
following questions. Make sure you and your partner are able to defend and explain your answer.
We learned that 10% is equal to .10 (ex: 10% of a dollar is equal to .10 / 10 cents/ 1 dime)
What is 5% of a dollar? How would you express this percent as a decimal and a fraction? You may use illustrations, numbers, or words to explain your problem
Copyright © 2000 by Monica Yuskaitis
CreditsCredits Illustrations from:
Corel Gallery by Corel Corp.Broderbund ClipArt T/Maker Co.Clipart from “Microsoft Clip Gallery” located on the Internet at http://cgl.microsoft.com/clipgallerylive/default.asp