Remember:Write zeros so that decimals
have the same number of decimal places.
1.Name a fraction between 5 and 5.
Compare.
- and 3. 8 and 8 4.0.44 and 5.2 and
Order from least to greatest.
- , , 7. , , 8.4 , 4 , 4.15 9.3, 4,
10.Discuss and Write Why is it helpful to first rename fractions in like terms to compare them?
11
6
3
5
2
3
3
10
1
5
4
5
3
8
2
3
1
5
2
15
3
20
17
7
4
9
2
7
2
15
3
20
2
7
2
5
5
8
3
4
Lesson 5-5 for exercise sets. &KDSWHU
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Compare:
35 36 so 127 ^35.
3
5
36
7
12
35
3
? 5
7
1 12 Compare:
54 55 so 116 95.
5
9
55
6
11
54
5
? 9
6
(^211)
Method 1 Rename the mixed number as a
fraction greater than 1.
Rename 4 as a fraction greater than 1.
4 fraction greater than 1
So 4 .
Method 2 Rename the fraction greater than 1
as a mixed number.
Rename as a mixed number.
6 mixed number
4 6
So 4 .
5
6
33
3
R
33
5
1
5
3
5
1
5
3
5
33
5
33
5
1
5
1
5
(4 • 5) 1
5
21
5
33
5
21
5
1
5
33
5
Order , , and 0.625 from least to greatest.
- First rename the fractions as equivalent decimals.
Divide the numerator by the denominator.
5 16 0.3125 0.40
- Then compare the decimals. Start with the
greatest place, and move right as you compare
the digits in each decimal place.
Check:0.62500.40 00 and 0.40 00 0.3125
The order from least to greatest is 0.625, , .
You can also compare fractions mentally by multiplying as shown below.
5
16
40
100
40
100
5
16
40
100
5
16
Sometimes when you compare rational numbers, it is necessary to
rename mixed numbers or fractions greater than or equal to 1.
Compare: 4 and^15335
0.3125 greatest value; closest to zero
0.40 00
0.6250 least value; farthest from zero