Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Solving Rational Equations
Find a quick, concise explanation of how solve radical equations. Examples are given and clearly explained.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Rational Numbers
Find a quick, concise explanation of rational numbers. Examples are given and clearly explained.
ClassFlow
Class Flow: Rational Numbers
[Free Registration/Login Required] Using a number line, the terms whole numbers, rational numbers and integers are defined positive and negative numbers are discussed.
Free Math Help
Free Math Help: Algebra Lesson: Rational Numbers
Learners examine the set of real numbers. The resource includes detailed explanations about rational and irrational numbers. It provides example problems.
Math Is Fun
Math Is Fun: Surds
Do you know what a "surd" is? It's a type of irrational number. The resource consists of examples as well as a brief origin of the term "surd."
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Why Repeating Decimals Are Rational?
Math Forum response to why all repeating decimals are rational numbers, including examples and concise explanations.
National Council of Teachers of Mathematics
The Math Forum: Drexel University: Example With Rational Root Theorem
This site from Drexel University solves a problem of finding the rational roots of a polynomial using the rational roots theorem, also known as the rational zero theorem.
ClassFlow
Class Flow: Irrational Numbers
[Free Registration/Login Required] Students are introduced to irrational numbers, and the application in various expressions.
Purple Math
Purplemath: Number Types
This site explores the different types of numbers: natural numbers, whole numbers, integers, and rational and irrational numbers. Content includes some practice questions.
Tech Target
Rational Number: A Whatis Definition
A very good and in-depth explanation of what a rational number is.
Math Open Reference
Math Open Reference: Irrational Number
Learn about irrational numbers with this easy reference guide. Provides a detailed definition and examples that enhance further explanation. Provides links to related topics.
Math Open Reference
Math Open Reference: Rational Numbers
Learn about rational numbers with this helpful reference tool. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.
University of Utah
University of Utah: The Number System
This site from The University of Utah provides a definition of commonly used numbers including rational numbers, natural numbers, integers, real and complex numbers and more.
Wikimedia
Wikipedia: Rational Numbers
Learn the definition of rational numbers. You can also look at some examples and properties, plus learn about Egyptian fractions. Links are provided for additional information.