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Cool Math
Coolmath: What's an Absolute Value?
One page reference sheet with examples of an absolute value.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Absolute Value
Find a quick, concise explanation of absolute value. Examples are included to help you understand this topic.
Shmoop University
Shmoop: Basic Operations: Absolute Value
Students learn about absolute value. The resource consists of notes, step-by-step examples, and practice problems with solutions.
Oswego City School District
Regents Exam Prep Center: Absolute Value Equations
The concept of absolute value equations is explained and then explored through several examples. Tips and suggestions are offered as to the common pitfalls to avoid. An all-class activity is also explained for the teacher to engage the...
Math Medics
S.o.s. Math: Solving Equations With Absolute Values
This lesson from S.O.S. Mathematics gives the definition of absolute value and examples on how to solve absolute value equations. Includes problems and solutions.
Other
Interactive Algebra: Solving Absolute Value Equations
This interactive site provides randomly selected absolute value equations for you to solve and then allows you to check your answers.
CK-12 Foundation
Ck 12: Algebra: Solving Absolute Value Inequalities
[Free Registration/Login may be required to access all resource tools.] Students explore the concept of solving absolute value inequalities by watching a video, examining guided notes and attempting practicd problems.
Other
Mathway: Algebra Formulas
Comprehensive resource provides algebra formulas for exponents, absolute value, factoring Pythagorean Theorem, linear equations, quadratic formula, distance formula, midpoint formula, and slope of a line through two points.
Purple Math
Purplemath: Algebra Resources
Purplemath contains about 40 different lessons on various algebra topics. The lessons are divided into five different sections: preliminary topics, beginning algebra, intermediate algebra, advanced algebra, and word problems. The lessons...
Richland Community College
Rcc: Solving Inequalities Algebraically and Graphically
Straightforward explanations on how to solve inequalities. Includes linear inequalities, double inequalities, absolute value inequalities, polynomial inequalities, and rational inequalities.
Windstream
Ojk's Precalculus Study Page: Linear Inequalities and Absolute Value
This tutorial demonstrates how to solve linear equalities. It also defines absolute value and demonstrates how to solve problems involving absolute value.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Paul Dawkins
Paul's Online Notes: Algebra & Trig Review
The tutorial reviews algebra and trigonometric topics needed in Calculus. Topics examined are solving equations, rational expressions, absolute value, solving trigonometric functions, exponentials, and logarithms. Class notes,...
Paul Dawkins
Paul's Online Notes: Algebra: Solving Equations and Inequalities
Students learn how to solve equations and inequalities. Topics examined are linear equations, quadratic equations, linear inequalities, and absolute value inequalities. The class notes are available in pdf format.
Help Algebra
Help algebra.com: The Real Number System
Natural numbers, whole numbers, integers and rational numbers begin this lesson on the real number system. You can also learn more about the number line and absolute value. Examples and diagrams are included to enhance understanding.
ClassFlow
Class Flow: Algebra Jeopardy
[Free Registration/Login Required] Use this jeopardy game to review absolute value, inequalities, variables and equations. The non-linear format allows for a fun way to review this material.
Other
Interactive Algebra
This interactive site allows you to practice several algebraic concepts, including solving equations, factoring, and graphing. Problems are randomly generated and allow unlimited practice. Each link contains buttons that allow you to get...
Paul Dawkins
Paul's Online Notes: Algebra Cheat Sheet [Pdf]
An algebra "cheat sheet" to use as a reference when completing algebra homework. Lists basic facts, properties, operations, formulas, and functions, as well as common errors.
Khan Academy
Khan Academy: Algebra I: Evaluate Piecewise Functions
Given the formula of a piecewise function, evaluate it for a specific input. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Algebra: Number Lines Study Guide
This comprehensive study guide highlights the main terms and formulas needed to review number lines. Examples are included.
Other
Math Bugs Me: Add Subtract Integers
This website provides students tips on how to add integers using absolute value and by introducing them to a pattern.
Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: The Formal Rules of Algebra
Here is a site that clearly and thoroughly explains all the rules of algebra from commutative and associative rules through rules for exponents and logarithms. A great review of the important rules from Algebra I and Algebra II! Point...
University of North Carolina
S University of North Carolina Wilmington: Olving Equations Algebraically
Site provides tutorial on solving algebraic equations including radical equations, quadratic equations, polynomial equations, fractional equations, absolute value equations.
CK-12 Foundation
Ck 12: Algebra: Graphs of Functions Based on Rules
[Free Registration/Login may be required to access all resource tools.] Students learn to graph a function represented by a rule in the coordinate plane. Students examine guided notes, review guided practice, watch instructional videos...