Remember:
2 means 2 .
2.25 means 2 0.25.
3
8
3
8
Lesson 4-2 for exercise sets. &KDSWHU
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Write each fraction or mixed number as an equivalent decimal.
Identify the decimal as terminating orrepeating.
- 2 4. 1 5. 6. 4
Write each decimal as an equivalent fraction or mixed number.
7.1.25 8.0.875 9.1. 6 10. 3.09 11. 0.7 12. 4.45
13.Discuss and WriteWrite as a decimal. Is the decimal a rational number?
Explain why or why not.
13
20
1
8
12
5
2
3
4
5
5
16
22
7
2 2
2
So 2 2 0.3752.375
0.125 125 thousandths
So 0.125 .
2.25 2 and 25 hundredths
2 0.25
2
So 2.25 2 210025
125
1000
25
100
25
100
3
8
8 3000
0375.
.
3
8
3
8
To write a mixed numberas an
equivalent decimal:
Write the mixed number as the sum
of an integer and a fraction.
Divide to rename the fraction as
a decimal.
Add the integer to the decimal.
You can also write a terminating decimal
as an equivalent fraction.
When the decimal is less than1:
Read the decimal.
Use the place-value name to
determine the denominator.
When the decimal is greater than1:
Read the decimal.
Write the decimal as the sum of an
integer and a decimal.
Use the place-value name to
determine the denominator.
Write the sum as a mixed number.
3.5
3.5
7
2 2
35
701
.
.
7
2
1
0.81
119 0.8181... 0.81
11
08 1 8 1
90000292
.
119 .
2
Remember:Write a bar above the
decimal digits that repeat.
Write each fractional number as an equivalent decimal.