Lessons

Distinguish between rational and irrational numbers
In this lesson you will learn how to tell the difference between rational and irrational numbers by looking for repeating decimals.
Resources
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.
In this lesson you will learn how to tell the difference between rational and irrational numbers by looking for repeating decimals.