BuzMath Tutoring Services

Made with Serif WebPlus

Last Modified : August 4\, 2010

Subunit A1: The Real Numbers

 

CLASSIFICATION OF REAL NUMBERS - CONTINUED

The diagram at the right summarizes how the Real Numbers and all its subsets are related. Refer to it, as needed, throughout the course.

Lesson 1.1: Real Numbers -- The Real Numbers

Lesson Overview

10 Of 10

Natural Numbers

{1, 2, 3, 4, ...}

Zero

{0}

Whole Numbers

 

{0, 1, 2, 3, 4, ...}

Opposites of Natural Numbers

{... ,-4, -3, -2, -1}

Integers

{... -2, -1, 0, 1, 2, ...}

Non-Integral

Rationals

Ex: -5.7, -¼, ½, 3⅞

Irrational Numbers

{... -2, -1, 0, 1, 2, ...}

Rational Numbers

Ex: -2, -¾, 0, 4.6, 8⅞

Real Numbers

Each real number is paired with exactly one point on a number line; and, each point on a number line is paired with exactly one real number.  

Thus, the graphs of all real numbers make up the entire number line.

Real Number - Discussion.
Real Numbers - DD09.
Discussion/Demo.
Guided Practice.
Independent Practice.
Summary.
Self Check.

Inactive buttons beneath: These online lessons are under development.