percent content standards mathematics and numeracy g1.s1.c3-6 d5
TRANSCRIPT
Percent Percent
Content Standards
Mathematics and Numeracy
G1.S1.c3-6 d5
DefinitionDefinition Percent can be defined as “of one hundred.”
100of
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
Percents Have Equivalents in Percents Have Equivalents in Decimals and FractionsDecimals and Fractions
20% .2020100
15= = =
Decimal FractionFraction
SimplifiedPercent
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
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
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..
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
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.
What is the percent of this number?What is the percent of this number?
820x .20
000+1640
16400.
20 % of 820.. x
What is the percent of this number?What is the percent of this number?
725x .40
000+2900
29000.
40 % of 725.. x21
What is the percent of this number?What is the percent of this number?
692x .60
000+4152
21520.
60 % of 692.. x15