1-10: Compare Real Numbers
What are ​
Rational
Numbers​
?
What are ​
Irrational
Numbers​
?
What are
Numbers​
?
-2.5, -12 78 , and
3.76
√2 ≈
1.414213562.
π
A ​
rational number
is a number that
can be expressed as
the ratio ab , where
a and b are integers
and
b ≠ 0.
A​
irrational number
is a number that
cannot
be
expressed as the
ratio ab , where a
and b are integers
and b ≠ 0.
Real
​
See Page 90:
The Real Number
chart
The set of rational
numbers and the
set of irrational
numbers together
make up the set of
real numbers​
.
Example 1a:
Page 90
Example 1c:
How do I ​
Compare
and Order Real
Numbers​
?
Example 2e:
Page 91
Summary:
Name all set of 1. List all
numbers to which solutions.
each real number
belongs:
√10
the
√100
√7
2 23
Fill in each
with
<, > or = to make
the statement true:
√17
4.03
You can compare
them by writing
them in the same
notation.