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Quick Math: Graph Equations and Inequalities

For Students 6th - 8th Standards
This resource is from the QuickMath website that illustrates how to graph equations, inequalities and a system.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Solving Linear Systems by Graphing

For Students 9th - 10th Standards
Twenty problems present a variety of practice solving linear systems by graphing. 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 Solution" button...
Unit Plan
Khan Academy

Khan Academy: Equations & Inequalities Word Problems

For Students 9th - 10th Standards
HSA-CED.A.1: Interactive resource which create equations and inequalities in one variable and use them to solve problems. Include equations arising from linear and quadratic functions, and simple rational and exponential functions....
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A ced.a.3: Dimes and Quarters

For Teachers 9th - 10th
This task requires students to recognize the pairs of linear equations in two variables that would be used to solve a given system of equations. Aligns with A-CED.A.3.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra

For Students 9th - 10th
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
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Khan Academy

Khan Academy: Represent Linear Systems With Matrix Equations

For Students 9th - 10th Standards
Represent systems of two linear equations with matrix equations by determining A and b in the matrix equation A*x=b. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
PPT
Sophia Learning

Sophia: Using Elementary Row Operations to Solve Systems of Equations: Lesson 4

For Students 9th - 10th Standards
This lesson presents how to use elementary row operations to solve for a system of linear equations. It is 4 of 4 in the series titled "Using Elementary Row Operations to Solve for Systems of Equations."
Whiteboard
ClassFlow

Class Flow: Applications of Linear Systems

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Students will learn how to use the best method to solve a system of linear equations and will use systems of linear equations to model real-life problems.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Comparing Methods for Solving Linear Systems

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Decide which method is the best one to use to solve a system of linear equations.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Applications of Linear Systems

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this lesson students apply the various solution methods to solve real-world problems involving linear systems. Students watch a video tutorial, explore guided...
Handout
Oak Ridge National Laboratory

Ornl: 7 Gaussian Elimination on Band Matrices

For Students 9th - 10th Standards
This site gives an example of solving a system of equations with the use of Gaussian Elimination.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A rei.c.6: Find a System

For Teachers 9th - 10th
The purpose of this task is to encourage young scholars to think critically about both the algebraic and graphical interpretation of systems of linear equations. Aligns with A-REI.C.6.
Activity
Texas Instruments

Texas Instruments: Boats in Motion

For Teachers 9th - 10th
In this lesson, students make observations about the motion of a boat going up and down the river. They will solve the system of equations algebraically and graphically.
Unit Plan
Stefan Warner and Steven R. Costenoble

Finite Mathematics & Applied Calculus: Applications of Systems of Linear Equations

For Students 9th - 10th Standards
Students learn a general strategy for solving all applications of linear equations. The tutorial consists of class notes, examples, and practice problems. Review exercises and a chapter quiz are included.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Systems With Addition or Subtraction

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a system by adding the two equations together to eliminate a variable.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Determining the Type of Linear System

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a system by graphing when there is no solution or infinitely many solutions.
Unit Plan
Khan Academy

Khan Academy: The Sat Math Test: Heart of Algebra

For Students 9th - 10th
Take a closer look at the SAT Math Test. Math questions on the test fall into different categories called "domains." One of these domains is Heart of Algebra. It focuses strongly on algebra -- especially on the areas of the subject that...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Solving Linear Systems

For Students 9th - 10th Standards
Practice using your graphing calculator for solving linear systems. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs of Linear Systems

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Students learn to solve a linear system by graphing. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Solving Linear Systems by Substitution

For Students 9th - 10th Standards
Twenty-seven problems present a variety of practice solving linear systems by substitution. 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...
Whiteboard
ClassFlow

Class Flow: Solving Systems by Graphing

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Students will learn how to estimate what the solution to a system of linear equation is by graphing.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Rei Pairs of Whole Numbers

For Teachers 9th - 10th
The premise of this problem is simple - learners must find three whole numbers with three different sums when they are added in pairs. To do this, they set up a system of linear equations in three variables. Aligns with A-REI.C.6.
Lesson Plan
Texas Instruments

Texas Instruments: Solve Linear Systems by Graphing, Substitution, Elimination

For Teachers 9th - 10th Standards
Students will solve systems of linear equations by a variety of methods: graphing, substitution, and elimination. The questions are multiple-choice and fill-in-the-blank.
Lesson Plan
Alabama Learning Exchange

Alex: Equations Gone Crazy

For Teachers 6th - 8th
In this activity, students will work with one-step and two-step equations. They will create and solve both types of equations. Students will also research ancient number systems and write, solve and check their equations using the...