August 31, 2015
In your Math notebook, update table of contents and
set up c-notes:
8/31
Topic: Expressing Rational Numbers p. 3
with Decimal Expansions
EQ: What does being able to express numbers in
equivalent forms allow you to do?
Add everything on these slides to your
c-notes
Rational Number: Number that can be
𝑎
written in the form , where a&b are
𝑏
integers & b≠ 0. A rational number in
decimal form is either terminating or
repeating.
Terminating Decimal: Decimal that ends
Examples:
9
=1.8
5
1
− =
4
-0.25
Repeating Decimal: Decimal expansion
repeats the same digit or block of digits,
without end
Examples:
1
3
= 0.3333 = 0. 3
49
−
33
= −1.484848 = −1. 48
RATIOnal
R
E
P
E
A
T
I
N
G
T
E
R
M
I
N
A
T
I
N
G
Converting fractions to decimals:
𝟑
𝟏𝟔
*The _______ # always goes in
the house!
*Copy what is underlined and
the math work below.
ON YOUR OWN: Copy this example and answer it on the left side of your
notebook.
Hint: All fractions must be converted to decimals to compare them.
Equal to
Not equal to