Soft Schools
Soft Schools: Integers and Real Numbers Quiz
Students are expected to evaluate the sum, difference, product, quotient, and the absolute value of real numbers and integers. Also, they must know the concepts of positive and negative numbers.
Math Is Fun
Math Is Fun: Equal, Greater, or Less Than
Find definitions of the equal, not equal, less than, and greater than signs, as well as information what you are supposed to do with them and how they are used in general math and in algebra.
Wyzant
Wyzant: Simplifying Multiple Positive or Negative Signs
Students learn how to simplify multiple positive or negative signs. The resource consists of lessons with examples, a combining like terms calculator, an equation calculator, and a worksheet to check for comprehension.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Integers
Find a quick, concise explanation of integers. A helpful diagram is given and clearly explained that shows the relationship of integers to other number groups.
CK-12 Foundation
Ck 12: Algebra: Absolute Value
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn to evaluate absolute values, find the distance between two points, and solve absolute value equations. Students can watch a video...
CK-12 Foundation
Ck 12: Absolute Value: Picket Fence Painting
[Free Registration/Login Required] Students use a real world situtation to explore absolute value and how to find the distance between two numbers on a number line. Click challenge me to answer a practice question and click learn more to...
CK-12 Foundation
Ck 12: Algebra: Absolute Value
[Free Registration/Login may be required to access all resource tools.] This concept introduces absolute value. Students can watch a video tutorial, explore guided notes and then attempt practice problems.
Khan Academy
Khan Academy: Negative Numbers, Variables, Number Line
Practice comparing positive and negative numbers by thinking about their positions on the number line. Numbers to the right are greater than numbers to the left. Students receive immediate feedback and have the opportunity to try...
Khan Academy
Khan Academy: Compare and Order Absolute Values
Write an inequality to compare absolute values. Order numbers written in absolute value form from least to greatest. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Algebra: Absolute Value Equations
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to solve equations involving absolute value. Students can explore guided notes and then attempt practice problems.
Purple Math
Purplemath: Solving Inequalities: An Overview
A discussion on how to solve linear and nonlinear inequalities is presented. Both the Test Method and the Factor Method of checking positive/negative intervals are included as part of the discussion.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Meaning of an Absolute Value Inequality
"Dr. Math" presents an in-depth discussion of the meaning of an absolute value inequality. The discussion tries to clarify some of the mis-conceptions surrounding absolute value.
CK-12 Foundation
Ck 12: Algebra: Additive Inverses and Absolute Values
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn about additive inverses and absolute values.
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.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Solving Linear Inequalities: Picture a Number Line
Dr. Math presents a visual (graphical) approach to solving a conjunction inequality.
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: 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!
CK-12 Foundation
Ck 12: Algebra: Absolute Value Inequalities
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve problems involving absolute values and inequalities. Students can watch a video tutorial, explore guided notes and attempt practice...
Illustrative Mathematics
Illustrative Mathematics: 6.ns Fractions on the Number Line
In this task, 6th graders locate positive and negative fractions on a number line, determine if some inequalities are true, and compare fractions for their closeness to zero. Aligns with 6.NS.C.7.a.
Illustrative Mathematics
Illustrative Mathematics: 6.ns Integers on the Number Line 2
Sixth graders examine negative numbers and their relationships in inequalities in this problem. Aligns with 6.NS.C.7.a.