Curated OER
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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Polar and Cartesian Coordinates
Students review polar coordinates, as well as translations and rotations in Cartesian Coordinates. They also watch a video on conics and write a summary of the video for a quiz grade. Students then find an equation after a...
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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.
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Complex Analysis: Graphical Representations
In this graphical representation instructional activity, students draw an Argand diagram depicting complex numbers. They draw in vectors that represent complex numbers. This three-page instructional activity contains approximately ten...
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Linear Inequalities
Ninth graders explore solving linear inequalities. They discuss vocabulary words and symbols associated with linear inequalities. After a demonstration by the teacher, 9th graders solve and graph inequalities. Students complete a...
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Inequalities are Everywhere
In this Algebra I worksheet, 9th graders work with a family member to graph inequalities on a number line. The two page worksheet contains five questions. Answers are included.
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Graphing Systems of Inequalities
In this systems worksheet, learners solve 6 systems of inequalities by graphing. Students then write 1 systems of inequalities for a given graph.
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Comparing Fractions (D)
In this comparing fractions worksheet, students solve 10 problems in which simple fractions with unlike denominators are compared using the unequal or equal sign. Note: The answer key shows the greater than or less than sign used for all...