Rational Numbers
PART A B C
Multi-Part
Lesson 1Get ConnectEDGLE 0706.2.2
Understand and work with
the properties of and
operations on the system
of rational numbers.
SPI 0706.2.2 Compare
rational numbers using
appropriate inequality
symbols. Also addresses
GLE 0706.1.1, GLE 0706.1.7,
GLE 0706.1.8.Main Idea
Compare and order
rational numbers.Vocabulary
rational numbers
common denominator
least common
denominator (LCD)Compare and Order
Rational Numbers
SOFTBALL The batting average
of a softball player is found by
comparing the number of hits
to the number of times at bat.
Felisa had 50 hits in 175 at
bats, and Harmony had
42 hits in 160 at bats.- Write the two batting
averages as fractions. - Which girl had the better
batting average? Explain. - Describe two methods you could use to compare the batting
averages.
A rational number is a number thatWhole
NumbersRational Numbers - -
Integers
can be expressed as a ratio of two
integers expressed as a fraction, in
which the denominator is not zero.
Common fractions, terminating and
repeating decimals, percents, and
integers are all rational numbers.Compare Rational Numbers
Replace the ● with <, >, or = to make - 1 _^5
6
● - 1 _^1
6
a true sentence.
Graph each rational number on a number line. Mark off equal-size
increments of _^1
6
between -2 and -1.- 2 - 1 ^56 - 14 6 - 13 6 - 12 6 - 16 _^1 - 1
The number line shows that - 1 _^5
6
< - 1 _^1
6
.a. Replace the ● with <, >, or = to make - 5 _^59 ● - 5 _^19 a true
sentence.Lesson 1C Rational Numbers 133V
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