Identify rational numbers

Key notes:

What is a Rational Number?

  • A rational number is any number that can be expressed as the ratio of two integers.
    • In other words, a rational number can be written in the form of a fraction: a/b a where a and b are integers, and b≠0 .

Learn with an example

🗼Is –2 a rational number?

  • yes
  • no

-2 can be written as -2/1, which is a fraction. So, -2 is a rational number

🗼 Is –10 a rational number?

  • yes
  • no

-10 can be written as -10/1, which is a fraction. So, -10 is a rational number

🗼 Is 5 a rational number?

  • yes
  • no

5 can be written as 5/1, which is a fraction. So, 5 is a rational number

Let’s practice!🖊️