Percent Intro Definition l Percent can be defined
Percent Intro
Definition l Percent can be defined as “of one hundred. ” of 100 Copyright © 2000 by Monica Yuskaitis
Definition l “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
Definition l The letter C in Roman Numerals stands for 100 or “cent”. CCC means three hundred. Copyright © 2000 by Monica Yuskaitis
Percent and Money l We write our change from a dollar in hundredths. If you understand money, learning percents is a breeze. Copyright © 2000 by Monica Yuskaitis
Comparing Money & Percents l $. 50 is ½ of a dollar l 50% also means ½ 50¢ = 50¢ Copyright © 2000 by Monica Yuskaitis $1. 00
Comparing Money & Percents l l 50% means ½ 50% of 6 stars is 3 stars 50% of Copyright © 2000 by Monica Yuskaitis =
Comparing Money & Percents Percent Fraction Decimal Fraction Simplified 1 50 50% =. 50 = 100 = 2 Copyright © 2000 by Monica Yuskaitis
50 % Means 50 parts out of 100 or 50 hundredths. 1 11 21 31 41 51 61 71 81 91 2 12 22 32 42 52 62 72 82 92 3 13 23 33 43 53 63 73 83 93 4 14 24 34 44 54 64 74 84 94 5 15 25 35 45 55 65 75 85 95 6 16 26 36 46 56 66 76 86 96 7 17 27 37 47 57 67 77 87 97 8 18 28 38 48 58 68 78 88 98 Copyright © 2000 by Monica Yuskaitis 9 19 29 39 49 59 69 79 89 99 10 20 30 40 50 60 70 80 90 100
Comparing Money & Percents l $. 25 is ¼ of a dollar l 25% also means ¼ 25¢ 25¢ = Copyright © 2000 by Monica Yuskaitis $1. 00
Comparing Money & Percents l l 25% means ¼ 25% of 8 lemons is 2 lemons 25% of Copyright © 2000 by Monica Yuskaitis =
Comparing Money & Percents Percent Fraction Decimal Fraction Simplified 1 25 25% =. 25 = 100 = 4 Copyright © 2000 by Monica Yuskaitis
25 % Means 25 parts out of 100 or 25 hundredths. 1 11 21 31 41 51 61 71 81 91 2 12 22 32 42 52 62 72 82 92 3 13 23 33 43 53 63 73 83 93 4 14 24 34 44 54 64 74 84 94 5 15 25 35 45 55 65 75 85 95 6 16 26 36 46 56 66 76 86 96 7 17 27 37 47 57 67 77 87 97 Copyright © 2000 by Monica Yuskaitis 8 18 28 38 48 58 68 78 88 98 9 19 29 39 49 59 69 79 89 99 10 20 30 40 50 60 70 80 90 100
Comparing Money & Percents l $. 10 is 1/10 of a dollar l 10% also means 1/10 10¢ 10¢ 10¢ = Copyright © 2000 by Monica Yuskaitis $1. 00
Comparing Money & Percents l l 10% means 1/10 10% of 10 ice creams is 1 ice cream = 10% of Copyright © 2000 by Monica Yuskaitis
Comparing Money & Percents Percent Fraction Decimal Fraction Simplified 1 10 10% =. 10 = 10 Copyright © 2000 by Monica Yuskaitis
10 % Means 10 parts out of 100 or 10 hundredths. 1 11 21 31 41 51 61 71 81 91 2 12 22 32 42 52 62 72 82 92 3 13 23 33 43 53 63 73 83 93 4 14 24 34 44 54 64 74 84 94 5 15 25 35 45 55 65 75 85 95 6 16 26 36 46 56 66 76 86 96 7 17 27 37 47 57 67 77 87 97 8 18 28 38 48 58 68 78 88 98 Copyright © 2000 by Monica Yuskaitis 9 19 29 39 49 59 69 79 89 99 10 20 30 40 50 60 70 80 90 100
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