Percent II by Monica Yuskaitis. Definition Percent can be defined as of one hundred. 100 of.

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Percent II Percent II by Monica Yuskaitis

Transcript of Percent II by Monica Yuskaitis. Definition Percent can be defined as of one hundred. 100 of.

Page 1: Percent II by Monica Yuskaitis. Definition Percent can be defined as of one hundred. 100 of.

Percent IIPercent II

by Monica Yuskaitis

Page 2: Percent II by Monica Yuskaitis. Definition Percent can be defined as of one hundred. 100 of.

DefinitionDefinition Percent can be defined as “of one hundred.”

100of

Page 3: Percent II by Monica Yuskaitis. Definition Percent can be defined as of one hundred. 100 of.

20 % Means20 % Means20 parts out of 100 or 20 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

Page 4: Percent II by Monica Yuskaitis. Definition Percent can be defined as of one hundred. 100 of.

Percents Have Equivalents in Percents Have Equivalents in Decimals and FractionsDecimals and Fractions

20% .2020100

15= = =

Decimal FractionFraction

SimplifiedPercent

Page 5: Percent II by Monica Yuskaitis. Definition Percent can be defined as of one hundred. 100 of.

How to Find the Percent of How to Find the Percent of a Whole Numbera Whole Number

The first thing to remember is “of” means multiply in mathematics.

of = x

Page 6: Percent II by Monica Yuskaitis. Definition Percent can be defined as of one hundred. 100 of.

How to Find the Percent of How to Find the Percent of a Whole Numbera Whole Number

Step 1 - When you see a percent problem you know when you read “of” in the problem you multiply.

25% of 200x

Page 7: Percent II by Monica Yuskaitis. Definition Percent can be defined as of one hundred. 100 of.

How to Find the Percent of a How to Find the Percent of a Whole NumberWhole Number

Step 2 – Change your percent to a decimal and then move it two places to the left.

25% x 200..

Page 8: Percent II by Monica Yuskaitis. Definition Percent can be defined as of one hundred. 100 of.

How to Find the Percent of a How to Find the Percent of a Whole NumberWhole Number

Step 3 – Multiply just like a regular decimal multiplication problem.

200x .251000

+4005000

Page 9: Percent II by Monica Yuskaitis. Definition Percent can be defined as of one hundred. 100 of.

How to Find the Percent of a How to Find the Percent of a Whole NumberWhole Number

Step 4 – Place the decimal point 2 places to the left in your answer.

200x .251000

+4005000.

Page 10: Percent II by Monica Yuskaitis. Definition Percent can be defined as of one hundred. 100 of.

What is the percent of this number?What is the percent of this number?

820x .20

000+1640

16400.

20 % of 820.. x

Page 11: Percent II by Monica Yuskaitis. Definition Percent can be defined as of one hundred. 100 of.

What is the percent of this number?What is the percent of this number?

725x .40

000+2900

29000.

40 % of 725.. x21

Page 12: Percent II by Monica Yuskaitis. Definition Percent can be defined as of one hundred. 100 of.

What is the percent of this number?What is the percent of this number?

692x .60

000+4152

21520.

60 % of 692.. x15

Page 13: Percent II by Monica Yuskaitis. Definition Percent can be defined as of one hundred. 100 of.