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.
Lawrence Hall of Science
The Math Page: Skill in Algebra: Signed Numbers
This resource explains positive and negative numbers. There are example problems solved, problems for the student to attempt, and answers to the student problems.
Lawrence Hall of Science
The Math Page: Skill in Algebra: Absolute Value
Here is a site that clearly and thoroughly explains many topics related to absolute value, including solving equations and inequalities involving absolute values. There are example problems solved, problems for the student to attempt,...
Purple Math
Purplemath: Solving Absolute Value Equations
A discussion of how to solve absolute value problems. The lesson goes into detail about the graphs of absolute value problems and how the graph is related to the numeric solution. Includes problems along with interactive widgets.
Cool Math
Coolmath: Finding the Absolute Value of a Number
Finding the Absolute Value of a Number. its distance from zero on the number line.
Cool Math
Coolmath: Finding the Opposite of a Number
This prealgebra lesson gives you practice on finding opposite numbers.
Cool Math
Coolmath: Absolute Value Equations
This Algebra Cruncher generates an endless number of practice problems for absolute values equations with solutions and hints!
Cool Math
Coolmath: Absolute Value Inequalities<
This Algebra Cruncher generates an endless number of practice problems for absolute value inequalities with "less than" with solutions and hints!
Cool Math
Coolmath: Absolute Value Inequalities >
This Algebra Cruncher generates an endless number of practice problems for absolute value inequalities with "greater than" with solutions and hints!
Khan Academy
Khan Academy: Absolute Value to Find Distance
Practice taking the absolute value of the difference of two numbers to find the distance between those numbers. Apply this principle to solve word problems. Students receive immediate feedback and have the opportunity to try questions...
Illustrative Mathematics
Illustrative Mathematics: 6.ns Jumping Flea
In this task, 6th graders examine where numbers are on a number line in relation to zero and what we mean by absolute value. Aligns with 6.NS.C.7.
Math Open Reference
Math Open Reference: Number Line
Interactive number line illustrates how as you move to the right the numbers increase and as you move to the left the numbers get more negative.
Khan Academy
Khan Academy: Absolute Value to Find Distance Challenge
Solve conceptually challenging absolute value problems. In order to succeed at these problems, you'll need to remember that the absolute value of the difference of two numbers is the distance between those numbers. Students receive...
CK-12 Foundation
Ck 12: Arithmetic: Absolute Value of Integers
[Free Registration/Login may be required to access all resource tools.] Find the absolute value of positive and negative integers.
Other
Msjc: Lesson: The Opposite and the Reciprocal Assignment: The Opposite
Explore opposites and reciprocals through positive and negative numbers and fractions.
Quia
Ixl Learning: Absolute Value
Brush up on your math skills relating to absolute value then try some practice problems to test your understanding.
PBS
Pbs Learning Media: Math + Arts: The Absolute Value of Dance
In this lesson, middle schoolers use a graph to choreograph a dance figure. Media resources and teacher materials are included.
Help Algebra
Help algebra.com: Addition & Subtraction of Real Numbers
Using a number line, the technique for adding and subtracting real numbers is demonstrated. Notation and calculator use is also touched on at the end of the lesson.
University of Saskatchewan (Canada)
University of Saskatchewan: Absolute Value and Distance
Absolute Value is the distance from zero on the number line or the distance between two points. This site from the University of Saskatchewan has examples and learning exercises for a better understanding of absolute value. Site by...
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.
Doina Popovici
Math Play: Absolute Value Millionaire Game
Practice finding the absolute value of different numbers and expressions in this millionaire-style game.
ClassFlow
Class Flow: Negative Numbers
[Free Registration/Login Required] In this flipchart students apply their knowledge of integers to combine positive and negative integers and locate their position on a number line.
Math Is Fun
Math Is Fun: Absolute Value
Find the definition of absolute value as well as many simple examples.