Comparing and Ordering Rational Numbers

1
Comparing and Ordering Rational Numbers
COURSE 3 LESSON 4-3
Which is greater, or ?
Rewrite each fraction with the denominator 9 11
99.
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2
Comparing and Ordering Rational Numbers
COURSE 3 LESSON 4-3
Which is greater, or ?
Since the LCM of 18 and 12 is 36, the LCD of the
fractions is 36.
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3
Comparing and Ordering Rational Numbers
COURSE 3 LESSON 4-3
(continued)
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4
Comparing and Ordering Rational Numbers
COURSE 3 LESSON 4-3
The Eagles won 7 out of 11 games while the Seals
won 8 out of 12 games. Which team has the better
record?
Change each fraction to a decimal. Compare the
two decimals.
Since 0.666 gt 0.636, the Seals have the better
record.
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5
Comparing and Ordering Rational Numbers
COURSE 3 LESSON 4-3
Order 0.175, , , 1.7, 0.95 from least
to greatest.
Then graph each decimal on a number line.
The order of the points from left to right gives
the order of the numbers from least to greatest.
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6
Comparing and Ordering Rational Numbers
COURSE 3 LESSON 4-3
Compare. Use lt, gt, or . 1. 2. 3.
4. 0.35 5. Order 0.17, ,
0.3, 0, and from least to greatest.
5 12
8 15
4 5
8 11
lt
gt
15 50
36 120
7 20


1 5
1 4
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