Percents, Fractions and Decimals by: April Ferrell

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Percents, Fractions and Decimalsby April
Ferrell
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Lesson Objectives

• Read, write, and represent decimals using
  symbols, words, or models.
• Identify and determine equivalent forms of proper
  fractions.

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Percents, Fractions, and Decimals
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Converting Fractions to Decimals
Think about how you say the fraction.
.6
6 10
How many TENTHS are there? The 6 goes in the
TENTHS place.

8 100
.08
How many HUNDREDTHS are there? The 8 goes in the
HUNDREDTHS place.

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Converting Fractions to Decimals
If the denominator is not a tenth or hundredth,
you will need to make an equivalent fraction
using a 10 or 100 as the denominator.
4 5
8 10


.8
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Converting Fractions to Decimals
Lets try a few!
75 100
3 4


.75
4 20
20 100


.20
40 100
10 25
.40


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Converting Decimals to Fractions

• Converting decimals to fractions is the opposite
  of converting fractions to decimals.
• Once again, read the fraction.
• What do you hear?
• Tenths or hundredths?

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Converting Decimals to Fractions
Think about how you say the decimal.
.6
Read the decimal. The 6 is in the TENTHS place,
so the denominator is 10.
6 10

.08
8 100
What place is the 8 in? The HUNDREDTHS place. The
denominator is 100.

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Converting Decimals to fractions
Lets try a few!
60 100
6 10
or

.60
16 100

.16
40 100
4 10

or
.40
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Percents, Fractions, and Decimals
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Converting Decimals to Percents
Lets try a few!
60

.60

.16
16

.04
4
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Converting Fractions to Percents
Lets try a few!
75 100
3 4


75
4 20
20 100


20
40 100
10 25
40