6th Grade · The Number System
Rational Number
6.NS.C.6c
Definition
Any number that can be written as a fraction a/b of two integers, with b not zero.
Examples
- -1.5, 0, and 7 are all rational numbers.
- A rational number has a place on the number line.
Key rule
If it can be written as a fraction of two integers, it's rational.
Memory hook
Ratio of two integers = rational.