National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: High School Basic Algebra Review
An overview of basic high school algebra topics can be found here. Absolute value, signed numbers, inequalities and equations, mixture problems, and direct and indirect variation are all listed, each with links to questions posed by...
University of Regina (Canada)
University of Regina: Math Central: Graphing Inequalities of Conic Sections
A solution to a student submitted problem is given. The problem involves systems of conic sections with inequalities.
PBS
Pbs: Solving Linear Inequalities With Negative Numbers
Solve an inequality that has negative numbers and a variable. This video focuses on using inverse operations to solve for a variable and the importance of flipping the inequality when multiplying or dividing by a negative number.
Khan Academy
Khan Academy: Solutions of Inequalities Graphically
Given the graph of a two-variable linear inequality, check whether a given pair of values is a solution of the inequality. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or...
Khan Academy
Khan Academy: Solutions of Inequalities: Algebraic
Given a two-variable linear inequality, check whether a given pair of values is a solution of the inequality. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Soft Schools
Soft Schools: Fraction Less Than Greater Than Worksheet
Create a instructional activity to compare fractions using inequality symbols. Change the number of problems per page, font, and font size to accommodate different learners. Fractions have different denominators and are all less than 1.
Oswego City School District
Regents Exam Prep Center: Multiple Choice Practice: Equations and Inequalities
Check your understanding of equations and inequalities by completing this multiple-choice practice test. You may use a graphing calculator to solve the problems and check your answers at any given time.
Oswego City School District
Regents Exam Prep Center: Graphing Inequalities
This tutorial shows students how to graph linear inequalities, then shade the appropriate side by testing a point. The site contains a practice page and a teacher resource page.
Khan Academy
Khan Academy: Graphs of Inequalities
Graph two-variable linear inequalities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Writing Inequalities to Describe Real World Situations
In this exercise, students practice writing inequalities to describe real-world situations. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Testing Solutions to Equations
Practice plugging in values to equations and checking to see if the equations hold true. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Testing Solutions of Inequalities
In this exercise, students practice testing solutions of inequalities. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Constructing Triangles
Given the lengths of two sides of a triangle, what can we say about the third side? Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Inequalities on a Number Line
In this exercise, students practice plotting inequalities on a number line. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Testing Solutions to Inequalities
Practice plugging in values to inequalities and checking to see if the inequalities hold true. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Plotting Inequalities
Create number line graphs of inequalities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Oswego City School District
Regents Exam Prep Center: Quadratic Inequalities
The mathematics tutorial explores quadratic inequalities. The lesson consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes a worksheet on matching graphs with equations.
Other
University of Wisconsin: Basic Algebra
This college site offers a variety of problems and answers. Problems are divided into topic areas for easy access. Also offers quizzes with each topic.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Quiz on Graphing Linear Inequalities
The online assessment demonstrates knowledge of advanced mathematical concepts in Algebra II. The questions test students on graphing linear inequalities.
Khan Academy
Khan Academy: Writing Numerical Inequalities
Practice writing inequalities to describe real-world situations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Other
Nearpod: Comparing Whole Numbers
For this lesson, 5th graders will learn how to compare whole numbers up to the hundred million places by looking at place value.
Clark University
Clark University: Dave's Short Trig Course: Complex Numbers: Absolute Value
Contains detailed information on absolute values for complex numbers.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Solving Linear Systems by Substitution
Twenty-seven problems present a variety of practice solving linear systems by substitution. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...