Real Numbers

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Gives a detailed explanation of how to use interval notation, followed by numerous examples, from very simple to quite complex.

Explains what Natural Numbers, Whole Numbers, Integers, Rational Numbers, Irrational Numbers, and Real Numbers are.

Practice Quiz on Real Numbers, their properties, and their operations

Description of Real Numbers and a practice section with hints and answers.

This page describes the sets of numbers, natural, whole, integers, rational, irrational and real numbers. Gives examples and organizes the information well.