Lesson Plan
Curated OER

Art or Junk? Discovering the Triangle Inequality

For Teachers 6th
Middle schoolers study the triangle inequality. They will identify, compare, and analyze attributes of two and three-dimensional shapes. Then they develop vocabulary to describe the attributes. They also use manipulatives to analyze the...
Lesson Plan
Curated OER

Worksheet #5: Mixture Word Problems

For Teachers 9th - 10th
For this mixture word problem worksheet, students read story problems and determine what information is necessary to solve the mixture problem. They identify the correct solution, graph inequalities, and solve inequality equations. Nine...
Lesson Plan
Curated OER

Triangle Inequality Theorem

For Teachers 9th - 12th Standards
High schoolers investigate the relationship between angle measures and sides of a triangle and the relationships among the three sides of a triangle. The use of technology (Cabri, Jr.) allows learners to make and test conjectures as they...
Lesson Plan
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EngageNY

Solution Sets of Two or More Equations (or Inequalities) Joined by “And” or “Or”

For Students 9th - 10th Standards
English and math have more in common than you think. Make a connection between a compound sentence and a compound inequality with an activity that teaches learners the difference between an "and" and "or" inequality through solutions...
Lesson Plan
Curated OER

Solving Inequalities

For Teachers 7th
Seventh graders explore the concept of solving inequalities. In this inequality lesson, 7th graders construct inequalities for scenarios such as getting a driver's license and height requirements at a theme park. Students practice...
Lesson Plan
Curated OER

Solving Inequalities

For Teachers 8th
Eighth graders participate in a lesson that covers the concept of an algebraic inequality. They practice recognizing the symbols used in an inequality and solving them using the methods that are similar to solving equations.
Lesson Plan
Curated OER

Linear Inequalities

For Teachers 9th - 12th
Students explore how to graph a linear inequality. They determine if a point is in the solution set. Students solve linear inquality application problems. They graph linear equations, and solve linear equations for a given variable.
Lesson Plan
Curated OER

Algebraic Thinking - Equations

For Teachers 5th
Fifth graders explore equality and inequality by participating in a Tilt/Balance activity. The students listen to the story "Lemonade for Sale" by Stuart J. Murphy and use equations to graph lemonade sale profits.
Lesson Plan
Curated OER

Systems of linear inequalities in slope-intercept form

For Teachers 9th - 12th
Pupils graph a linear inequality and describe its solution set. They solve a system of linear equalities graphically and symbolically. Students set up and solve a system of linear inequalities using linear programming techniques. They...
Lesson Plan
Curated OER

Hassan's Pictures - Linear Programming and Profit Lines

For Teachers 9th - 11th
Young scholars graph systems of linear inequalities. In this linear programming and profit lesson, students explore linear programming problems. They graph a feasible region in a linear programming problem and identify the profit...
Lesson Plan
EngageNY

Solving and Graphing Inequalities Joined by “And” or “Or”

For Students 9th - 10th Standards
Guide your class through the intricacies of solving compound inequalities with a resource that compares solutions of an equation, less than inequality, and greater than inequality. Once pupils understand the differences, the...
Lesson Plan
Curated OER

Absolute Value Inequalities

For Teachers 9th - 12th
Young scholars solve inequalities.  In this absolute value lesson, students solve inequalities containing absolute value.  They graph the solution of each problem. 
Lesson Plan
Curated OER

For Better Or For Worse

For Teachers 6th - 12th
Students explore personal and public responsibility in dealing with social inequality. They conduct research and participate in a discussion about the effect of Hurricane Katrina in regard to racial and economic equality in the United...
Lesson Plan
Curated OER

Transitive Property of Inequality

For Teachers 5th - 8th
In this transitive property worksheet, students use the transitive property to help them solve the riddle for the order of men and where they stand. Students solve the riddle for 10 men.
Lesson Plan
Curated OER

A Billion Hungry People

For Teachers 2nd - 5th
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...
Lesson Plan
Curated OER

A Human Number Line

For Teachers 6th
Sixth graders create a human number line through use of symbols, equality, inequality, addition, subtraction, solving equations and inequalities
Lesson Plan
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Dream of a Nation

Creating Awareness through Action Oriented Writing and Research

For Teachers 8th Standards
Middle schoolers aren't too young to feel strongly about politics, social issues, consumer rights, or environmental problems. Demonstrate the first steps toward social change with a project about action-oriented writing. Eighth...
Lesson Plan
Curated OER

Graph Related Linear Inequalities

For Teachers 9th - 12th
High schoolers explore the concept of linear inequalities. In this linear inequality lesson, students graph linear inequalities using Microsoft Excel.
Lesson Plan
Curated OER

American Industry Growth

For Teachers 11th
Eleventh graders explore the economic growth from 1878 to 1893. In this social studies lesson, 11th graders discuss how the improvements lead to an inequality in wealth and the problems that it caused.
Lesson Plan
Curated OER

Napolean Triangle

For Teachers 9th - 11th
Learners investigate the Napoleon triangle theory. In this polygon lesson, students  differentiate between the boundary points, interior and lattice point of a polygon. They apply concepts of equilateral triangles to solve...
Lesson Plan
Curated OER

Inequalities

For Teachers 8th
  Students write a definition for the word inequality and talk about the symbols that show what inequality means in a number sentence.  In this inequality lesson, 8th graders have to find solutions to certain problems and solve...
Lesson Plan
Curated OER

Unit 5 Lesson 01: Graphing on a Number Line

For Teachers 6th - 8th Standards
Math masters are introduced to graphing inequalities on a number line. After reviewing inequality symbols, they practice representing them on a worksheet. This simple lesson plan serves its purpose.
Lesson Plan
Curated OER

GNP simulation using foods in the Americas

For Teachers 9th - 12th
Students gain a better understanding of world food supply, the impact of inequality of the distribution of wealth, and get a taste of traditional foods.
Lesson Plan
Curated OER

Working With Time

For Teachers 4th - 5th
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.