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Lesson Plan
Curated OER

Computing with Mathematical Formulas

For Teachers 9th - 12th Standards
Learners solve problems using formulas. In this algebra lesson, students evaluate numbers using substitution. They graph their answers using a TI and discuss the outcome.
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Lesson Plan
Curated OER

Match Me Plus

For Teachers 9th - 12th Standards
Have your class investigate Piecewise functions by matching a position versus time graph to the function that describe the walk.
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Lesson Plan
Curated OER

Finding a Line of Best Fit

For Teachers 9th - 12th Standards
Pupils engage in the practice of creating a scatter plot with the data obtained from measuring different resting heart rates. The data is used to create the table that is translated into a graph. The instructional activity gives...
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Unit Plan
Texas Education Agency

Texas Gateway: Investigating Methods for Solving Linear Equations, Inequalities

For Students 9th - 10th Standards
Given linear equations and inequalities, the student will investigate methods for solving the equations or inequalities.
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Activity
Texas Education Agency

Texas Gateway: Linear Inequalities

For Students 9th - 10th Standards
This activity provides an opportunity for students to examine how to find solutions to linear inequalities by graphing.
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Unit Plan
Texas Education Agency

Texas Gateway: Selecting a Method to Solve Equations or Inequalities

For Students 9th - 10th Standards
Given an equation or inequality, the student will select a method (algebraically, graphically, or calculator) to solve the equation or inequality.
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Unit Plan
Texas Education Agency

Texas Gateway: Solving Linear Equations and Inequalities

For Students 9th - 10th Standards
When given a table, equation or verbal description, students will solve one- and two-variable equations and inequalities using algebraic steps or graphing methods.
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Unit Plan
Texas Education Agency

Texas Gateway: Solving Linear Inequalities

For Students 9th - 10th Standards
The student will represent linear inequalities using equations, tables, and graphs. The student will solve linear inequalities using graphs or properties of equality, and determine whether or not a given point is a solution to a linear...
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Unit Plan
Texas Education Agency

Texas Gateway: Solving Systems of Equations With Graphs

For Students 9th - 10th Standards
Given verbal and/or algebraic descriptions of situations involving systems of linear equations, the student will solve the system of equations using graphs. Incorporates GeoGebra applets.
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Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Graphing and Solving Systems of Linear Inequalities

For Students 9th - 10th Standards
Twenty problems present a variety of practice graphing and solving systems of linear inequalities. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
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Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Systems of Inequalities

For Students 9th - 10th Standards
Hotmath provides 21 practice problems dealing with systems of equations and inequalities. Each of the practice problems include a step-by-step guide for solving their algebraic problem.
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eBook
Other

Palmer Inedependent School District: Linear Inequalities in Two Variables [Pdf]

For Students 9th - 10th Standards
A set of example problems and exercises on linear inequalities in two variables. Includes how to write them using a graph or a table of values.
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Handout
Paul Dawkins

Paul's Online Notes: Algebra: Linear Inequalities

For Students 9th - 10th Standards
Detailed math tutorial features notes and examples that illustrate how to solve linear inequalities (both single and double) and also interval notation.
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eBook
CK-12 Foundation

Ck 12: Interactive Algebra 1 for Ccss

For Students 9th - 10th Standards
This is a complete, full-year Algebra 1 course with interactivity included in every lesson. Some lessons include videos, and all include interactives and inline questions that offer instant, per-answer feedback. Every lesson also has...
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Activity
Texas Instruments

Texas Instruments: Tracing Paper Inequalities

For Teachers 9th - 10th Standards
In this activity, students will graph systems of linear inequalities in two variables in the Cartesian coordinate plane and find their solutions.
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Activity
Texas Instruments

Texas Instruments: Linear Inequalities

For Teachers 9th - 10th Standards
In this question set, students are asked to solve inequalities in one variable, graph linear inequalities, and graph systems of linear inequalities. Questions are multiple choice and true/false; solutions are included.
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Activity
Texas Instruments

Texas Instruments: Linear Inequalities: Using Algebra

For Teachers 9th - 10th Standards
Students learn to solve inequalities using one and two steps. They review the properties of inequalities.
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Activity
Texas Instruments

Texas Instruments: Winning Inequalities (Part 1)

For Teachers 9th - 10th Standards
Students write and interpret a linear equation and an inequality with two variables and use the Inequality Graphing Application to map inequalities on a coordinate plane.
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Activity
Texas Instruments

Texas Instruments: One Step Equations and Inequalities

For Teachers 9th - 10th Standards
An equation remains equal as long as the same operation is applied to both sides of the equation. Students will solve one step equations and inequalities using that concept of equality.
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Activity
Texas Instruments

Texas Instruments: Linear Inequalities: Using Graphs and Tables

For Teachers 9th - 10th Standards
Students learn to estimate the solution set, in real numbers, of a linear inequality using graphical methods on a number line and on a Cartesian (x-y) graph. They also learn how to solve inequalities using tables.
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Activity
Texas Instruments

Texas Instruments: Mc Dougal Littell Algebra 1: Graphing Inequalities

For Teachers 9th - 10th Standards
Students will explore inequalities.
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Activity
Texas Instruments

Texas Instruments: Graphing Systems of Linear Equations

For Teachers 9th - 10th Standards
Students will solve systems of linear equations by graphing.
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Activity
Texas Instruments

Texas Instruments: Linear Systems: Using Graphs and Tables

For Teachers 9th - 10th Standards
Students learn to locate the real number solution of a system of linear equations (two equations and two variables) with the help of tables and graphs. They also learn to graphically illustrate the types of solutions expected for a...
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Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Linear Inequalities

For Students 9th - 10th Standards
Using this tutorial, you'll learn how to solve different types of linear inequalities by viewing step-by-step written solutions as well as completing practice problems.