chapter 5 percents topics converting between fractions, decimals, and percents solving percent...
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Try to change these decimals to percents % 37.5% 0.5% 40% 150%TRANSCRIPT
Chapter 5Percents
Topics•Converting between fractions,
decimals, and percents•Solving Percent Problems
Converting Decimals to Percents
Move the decimal point two places to the right
.67 67%
Try to change these decimals to percents.
.82.375.005
.41.5
82%
37.5%0.5%40%
150%
Converting Percents to Decimals
Move the decimal two places to the left
42% .42
63.2% .632
Try to change these percents to decimals.
42%17%13.75%5%0.7%327%
.42
.17.1375.05
.0073.27
This is the way I think about it..
Converting Percents to Fractions•Take your percent and make it into a fraction with the denominator of 100•Reduce your fraction the simplest form or mixed number form if necessary
Change these percents to fractions.
20%
17%
110%
Converting Fraction to Percent•Take your fraction and make it into a
division problem
Try to change these fractions to percents
Try to change these fractions to percents
Decimal to Fraction.32 =
.122 =
.5 =
Fraction to Decimal
Fraction to Decimal
Practice Problems
Change to Decimals
Practice Problems
Change to Fractions
Practice ProblemsChange to Percent
Practice ProblemsChange to Percent
Percent Problems IS % OF 100
50% OF 70 IS 35
What is 2.5% of 280?
Validation:
5 is 10% of what #?
30 is what percent of 120?
Practice Problems10% of 60 is what #?70% of 35 is what #?10 is what % of 25?12 is what % of 240?17 is 20% of what #? 115 is 25% of what #?
624.5405
85460