Transcript 1.2 Rational Numbers on a Number Line

1.2 Rational Numbers on a
Number Line
TSWBAT graph rational numbers on a
number line; identify additive inverses;
simplify rational numbers in absolute value
What is an opposite?
 What is the opposite of:
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On
Right
Dark
Five
 Pick your favorite number.
 Where would your number and its
opposite be on a number line?
Definitions
 Additive inverse
 Opposite integers, they are the same
distance from zero, but on opposite sides
of the number line
 Absolute value
 An integers distance from zero on a
number line
0
 Place the following on a number line
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0.5
7.4
9.01
-1.75
1/2
-1 3/4
-2.25
What is the additive inverse of each
integer?
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-9 4/5
20
16.25
-15
13/20
-10
What is the absolute value of each
integer
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|-8|
|17|
-|-56|
|12 x 12|
-|-701|
|189| ÷ |9|
In your Workbooks:
 Open to pages 3-4
 You may work together to complete
the following problems:
 7-12 all, 16-64 multiples of 3,
 Please put the proper heading on your
paper