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Worksheet
Curated OER

Linear Inequalities

For Students 9th
In this Algebra I activity, 9th graders determine if the given value is a solutions to the given linear inequality.  The one page activity contains six multiple choice and one free response question.  Answers are provided. 
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Lesson Plan
Curated OER

Simple Inequalities on a Number Line

For Teachers 9th - 12th Standards
Students solve inequalities problems. In this algebra lesson plan, students graph the solution of inequalities on a number line. They discuss boundaries and open or closed intervals.
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Lesson Plan
Curated OER

Linear Inequalities

For Teachers 9th - 12th
Students imagine that they own a sneaker company. They are asked how they would know if their company made a profit. Students determine the number of sneakers of each type they need to sell in order to "break even." They are asked how...
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Worksheet
Curated OER

Inequalities and Their Graphs

For Students 8th - 10th
In this algebra worksheet, students identify the solution of an inequality. They graph their answers on a number line. There is an answer key to this problem.
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PPT
Curated OER

Representing Constraints

For Teachers 8th - 10th
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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Lesson Plan
Pennsylvania Department of Education

Expressions Involving Variables

For Teachers 6th
Sixth graders practice translating verbal expressions into algebraic expressions. In this introductory algebra instructional activity, 6th graders practice writing written/verbal sentences into algebraic expressions and vice versa....
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Lesson Plan
Curated OER

Changing the Different Currency of Different Countries

For Teachers 7th - 9th
Students change the money used in different countries into our currency. In this algebra lesson, students rewrite word problems using variables and inequalities. They label each unknown with a letter and identify the steps needed to...
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Worksheet
Curated OER

Multiple Choice Inequalities

For Students 9th - 12th
In this inequality worksheet, students solve 10 multiple choice inequality problems.  Students determine solutions to inequalities and write linear inequalities given word problems.
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Lesson Plan
Curated OER

Patterns, Functions & Algebra

For Teachers 7th - 10th
Students participate in numerous activities and games. In pairs, they play card games to find relationships between a random set of playing cards. After writing samples of Dear Abby letters concerning math problems, students create a...
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Lesson Plan
Curated OER

The Power of Algebra

For Teachers 1st
First graders explore patterns. They look for patterns in number problems and use algebra as a means of solving general problems. Students devise a strategy to solve the number problem.
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Lesson Plan
Curated OER

Inequalities - Absolute Value

For Teachers 8th - 10th
Students graph the absolute value of compound inequalities. Through a demonstration, students discover the meaning of absolute value. They take notes, rewrite opposites, and solve for each variable. Students complete a worksheet and...
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Lesson Plan
Curated OER

Diophantus II

For Teachers 9th - 12th
Students use an ancient math game to establish the context for solving problems by investigating them in a systematic and mathematical way. They also need to have the ability to solve various types of equations.
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Lesson Plan
Curated OER

I'm So Sorry I Ate Chocolate

For Teachers 6th
Sixth graders investigate the magnitudes of the sides and angles of a triangle. They determine the proof of the Sine Rule before using it to solve triangles. They compare the Sine Rule to the Cosine Rule in this unit of lessons.
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Worksheet
Curated OER

Systems of Linear Inequalities

For Students 9th - 12th Standards
Graphing systems of linear inequalities is the focus of this worksheet. Problems range from checking solutions of inequalities, graphing systems of two inequalities, and graphing systems of three inequalities. Graphing horizontal lines,...
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Lesson Plan
Curated OER

The Old Chicken Run Problem

For Teachers 6th
Sixth graders apply problem solving strategies to work with a real life situation in which they need to determine the area. They determine the area of chicken runs that are rectangular in shape when give a partial perimeter.
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Lesson Plan
Curated OER

The Lady's Age

For Teachers 9th - 12th
Students use a game to establish the context of solving problems in a systematic and mathematical fashion. They also solve various types of equations to find reasonable solutions.
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Lesson Plan
Curated OER

Square Milk Bottle Crates

For Teachers 7th - 12th
Students attempt a problem that Students has the potential to have more than one solution. Hence the problem is accessible to a wide range of students. The problem is essentially about finding patterns and this is typical of a number of...
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Worksheet
Achieve

Stairway

For Students 6th - 10th Standards
It's the stairway to learning! Scholars research all aspects of building a staircase. Using information from building codes, they write and graph a system of inequalities to analyze the constraints. The completed project is a scale model...
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Worksheet
Curated OER

Complex Analysis: Graphical Representations

For Students Higher Ed
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...