Download Rational Numbers

What are they?
Rational Numbers
The root word of rational is ratio.
Ratios are fractions.
Any number that can be written as
the quotient (a fraction) of two
integers is a rational number.
However, the denominator cannot
be 0.
0.25
-5
1
2
3
0.333...
are rational numbers.
-5
=
-5
1
5
=
-1
- 10 - 15
=
=
2
3
An integer can be written as a “quotient
of 2 integers,” so integers are rational.
-7
1
7
-7
14
=
=
2 =
=6
-3
3
3
3
A mixed number can be written as a
“quotient of 2 integers,” so mixed
numbers are rational.
-1
2 -4
1
0.25 =
=
= =
8 - 16
4 -4
A terminating decimal can be written
as a “quotient of 2 integers,” so
terminating decimals are rational.
1
0.333... =
3
-1
=3
3
=
9
-3
=
-9
A repeating decimal can be written as
a “quotient of 2 integers,” so
repeating decimals are rational.
Rational numbers are ...
ð fractions - both simple and mixed
ð decimals - both repeating and terminating
ð integers …-4, -3, -2, -1, 0, 1, 2, 3…