Confused about the real number system?

Below you'll find a simple video showing how to solve a problem involving the real number system.  

sample problem about the real number system

The following video solves this multiple choice question:

Which of the following is true regarding number sets?

  • All integers are whole numbers.
  • All irrational numbers are real numbers.
  • All real numbers are integers.
  • All rational numbers are natural numbers.

Is this a good resource for taking tests?

No, this website is not appropriate for taking quizzes, tests, or exams.  That would be cheating.  We prepare for them by studying and practicing.  Use this website for homework, practice problems, or sample problems.


The real number system is pretty cool once you get the hang of it.  I hope you've found this page helpful!  For personalized help, hire me as your tutor.