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Rational and Irrational

Rational and Irrational

Author: Pachia Vang

Use properties of rational and irrational numbers. 3. Explain why the sum or product of two rational numbers is rational; that the sum of a rational number and an irrational number is irrational; and that the product of a nonzero rational number and an irrational number is irrational.

Students will be able to to explain why the sum of product of two rational numbers is rational and do the the same with irrational.

Students will watch the two video then look at the notes from the website that was given.  After watching the video and looking at the notes students will take the quiz.

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You will explain what is the differences between irrational and rational.  Also show an example of irrational and example of rational, then you will explain why adding to rational numbers is rational. Also explain why when adding a rational number and irrational number is irrational.


Go to this website to find notes to help you understand the topic.


Sum of rational and irrational

Rational + Irrational = Irrational

Differences rational and irrational

See what is the differences between irrational and rational