Curated OER
Linear Inequalities in Two Variables
Use this worksheet as a warm up, a refresher exercise, or a practice after a more detailed lesson on graphing linear inequalities in two variables. Start with boundaries that are horizontal or vertical, then move into graphs with...
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Representing Constraints
What are constraints and how can they be represented mathematically? This instructional slideshow provides an explanation and an example of how to translate constraints into algebraic inequalities.
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Chapter 2 Practice test
Overall, this worksheet contains a good selection of problems that reviews different aspects of linear equations. Learners examine and graph linear equations, absolute value equations, and inequalities in two variables. The three page...
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Graphing Inequalities in Equations
Can a person solve and graph inequalities in one variable? Sounds impossible but it's not! Young mathematicians solve and graph inequalities in algebraic equations. They find a range of possible values for a variable as they solve...
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Lesson 8: Absolute Value in Equations & Inequalities
This lesson contains a number of good examples and explanations of solving absolute value equations and inequalities. Piece-wise functions, and compound inequalities are also discussed. This lesson contains some additional exercises for...
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Basketball
Tap into the competitive nature of teenagers as your class practices setting up and solving rational equations. This activity starts with a specific ratio of games won to games played, then asks how many more games must be played to...
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The Distance Formula and Marching Nonviolently for Social Change
Students explore the distance formula using real world data from nonviolent marches for social change. For this secondary mathematics lesson, students investigate the marches of Gandhi and King using maps overlaid with a coordinate...
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Linear Inequalities in One and Two Variables: Rays and Half Planes
Define rays and half planes, including the concepts of boundary lines and prerequisite knowledge of coordinate planes. Given linear inequalities in one and two variables, your class will compare the differences. They will also graph...
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What Is It?
You have to love lessons that foster problem solving strategies. This one has upper graders devise and employ their own strategy to solve given problems after they have used classics like guess/check, substitution, make a table, and look...
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Absolute Value Equations and Inequalities
In this algebra worksheet, students solve 13 problems involving absolute value. Six problems require students to write the answer in interval notation.
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Graphs and Data
Students investigate poverty using graphs. In this algebra lesson plan, students collect data on the effects of poverty and use different rules to analyze the data. They graph and use the trapezoid rule to interpret the data.
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Same As
Explore the concept of the equals symbol. In this mathematical symbols activity, learners discover the meaning of the equals sign (symbol). They also construct addition and subtraction sentences to understand the concept of equal parts.
Illustrative Mathematics
Firefighter Allocation
Creating equations with one variable to solve real-world-type problems is a key skill any algebra learner needs to master. Here the focus is on realizing that one can write the equation in different ways depending upon how one...
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Graphing Linear Inequalities
In this graphing linear inequalities activity, high schoolers graph 1 linear inequality. Students walk through each step to graphing the inequality and shading the appropriate region on the graph.
Alabama Learning Exchange
Is It a Triangle?
Students explore the concept of triangle inequalities. In this triangle inequality lesson, students cut spaghetti noodles into given lengths. Students use the noodles to complete a worksheet about triangle inequalities. ...
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Solving Multi-Step Inequalities
In this math worksheet, young scholars solve inequalities. Four problems involve negative values for the variables. Inequalities involve two or more steps to solve. The final two problems are word problems.
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Graphing Inequalities
In this graphing inequalities worksheet, 6th graders solve and complete 24 different types of problems. First, they draw a graph for each given inequality. Then, students solve for each equation.
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Compatible numbers to 20
Students practice theories dealing with equals sign used as a balance, inequality symbols and practice utilizing a box or some other geometric shape to represent an unknown number. They assess numeracy problems embedded in language-rick...
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A Billion Hungry People
Students discover the inequality of food distribution. In the hunger lesson, students discuss how some places and people do not get the food they need to survive. Students role play distributing pretend meals to people (of unequal...
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Absolute Value Equations and Inequalities
Pupils explore the concept of absolute value inequalities and equations. In this absolute value inequalities and equations lesson plan, students discuss how to solve absolute value inequalities and equations through teacher led...
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Working With Time
In this time worksheet, students convert hours to minutes, determine the equality or inequality of times, convert one time period to another [weeks to day, etc] and solve word problems.
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Lesson #2 Absolute Value and Symmetry
Students investigate absolute value functions. In this Algebra II/Pre-calculus/Calculus lesson, students explore the formal definition of absolute value and apply the piece-wise definition to solve inequality problems. ...
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Solving Inequalities
In this solving inequalities worksheet, 4th graders solve the equation by substituting numbers for the variable to find the correct answer.
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Inequalities
Sixth graders explore the concept of inequalities and how to solve them in the realm of integers. The instructor would benefit from using a number line and reviewing integers before using this lesson.