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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Comparison of Unit Rates

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Compare unit rates using inequality symbols
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Handout
Geometry Help

Geometry Help: Triangle Inequalities

For Students 9th - 10th Standards
Explains the basic concept of triangle inequalities with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
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Lesson Plan
Cuemath

Cuemath: Less Than or Equal To

For Students 6th - 8th
In this mini-instructional activity, we will explore the concept of 'less than or equal to'. We will be covering less than or equal to symbol in words, less than or equal to examples, and greater than symbol in a sentence. Included are...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ee Log Ride

For Teachers 5th - 8th Standards
In this instructional task students are given two inequalities, one as a formula and one in words, and a set of possible solutions. They have to decide which of the given numbers actually solve the inequalities. There are two solutions...
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Unknown Type
Khan Academy

Khan Academy: Solutions of Inequalities: Algebraic

For Students 9th - 10th
Given a two-variable linear inequality, check whether a given pair of values is a solution of the inequality.
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Activity
Texas Instruments

Texas Instruments: Simplifying Expressions

For Teachers 9th - 10th Standards
Like terms have the same degree variable or are constants. When solving an equation or inequality, like terms must be combined. Knowledge of variable expressions and equations assists in solving problems involving logic.
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Activity
CK-12 Foundation

Ck 12: Checking Solutions to Inequalities

For Students 6th - 8th Standards
[Free Registration/Login Required] Students will determine if the given number is the solution to the inequality. Click challenge me to answer a pactice question and click learn more to watch a video.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Rei Reasoning With Linear Inequalities

For Teachers 9th - 10th Standards
Learners are presented with a solution to an inequality and are asked to find two mathematical errors and explain why they are incorrect. Aligns with A-REI.B.3 and A-REI.A.1.
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Unknown Type
Khan Academy

Khan Academy: Constraint Solutions of Two Variable Inequalities

For Students 9th - 10th
Find the range of values of one variable thatcorresponds to a given value of the other variable in a linear inequality.
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Lesson Plan
Better Lesson

Better Lesson: Graphing Inequalities on a Number Line

For Teachers 6th Standards
Sixth graders graph the solutions of inequality on a number line and explain the solutions.
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Unit Plan
Khan Academy

Khan Academy: Testing Solutions to Equations

For Students 5th - 7th Standards
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.
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Unit Plan
Khan Academy

Khan Academy: Testing Solutions to Inequalities

For Students 5th - 7th Standards
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.
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Unknown Type
Khan Academy

Khan Academy: Writing Inequalities to Describe Real World Situations

For Students 6th - 8th Standards
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.
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Unknown Type
Khan Academy

Khan Academy: Testing Solutions of Inequalities

For Students 6th - 8th Standards
In this exercise, students practice testing solutions of inequalities. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Checking Solutions to Inequalities

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] On this site students learn to verify that solutions to inequalities are correct. Students can watch video tutorial, look at key vocabulary and attempt practice...
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Unknown Type
Khan Academy

Khan Academy: Inequalities on a Number Line

For Students 6th - 8th Standards
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.
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Unit Plan
Sophia Learning

Sophia: Two Step Linear Inequalities: Lesson 2

For Students 9th - 10th
This lesson will go over how to solve a two-step linear inequality and plot the solution on the number line.
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Unit Plan
Windstream

Ojk's Precalculus Study Page: Linear Inequalities and Absolute Value

For Students 9th - 10th Standards
This tutorial demonstrates how to solve linear equalities. It also defines absolute value and demonstrates how to solve problems involving absolute value.
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Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Graphing Quadratic Inequalities

For Students 9th - 10th
Fifteen problems present a variety of problems working with various aspects of solving and graphing quadratic inequalities. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the...
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Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Using Interval Notation to Express Answers

For Students 9th - 10th Standards
"Dr. Math" responds to a student question about solving an inequality involving a variable in the denominator.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Testing Solutions for Linear Inequalities

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers testing ordered pairs to see if they are solutions to a linear inequality in two variables.
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Unit Plan
Oswego City School District

Regents Exam Prep Center: Linear Inequalities

For Teachers 9th - 10th
A complete review of linear inequalities interval notation, and compound inequalities. Several applications of the compound inequalities are given along with solutions and explanations. Links to sites assisting with graphing calculator...
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Activity
Hofstra University

Hofstra University: Linear Programming

For Students 9th - 10th Standards
This lesson is a review of problems with systems of inequalities. Many of the questions involve real world scenarios as word problems which the reader must decipher and resolve.
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Activity
Windstream

Ojk's Precalculus Study Page: Polynomial Inequalities, One Variable

For Students 9th - 10th
This tutorial offers two methods to solve polynomial inequalities. Site includes several examples, charts, graphs, and other information for student understanding.

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