Curated OER
FCAT Real World Solving Linear Equations/Systems
Pupils relate real life situation to the equations, graphs and inequalities. They model real life scenarios using matrices and draw conclusions from their data. This lesson plan is aligned with FCAT.
Curated OER
Cramer's Rule ID: 8793
Mathematicians are introduced to Cramer’s Rule and use it to solve three systems that have one solution, no solutions, and an infinite number of solutions. Students use TI-Nspire to graph the systems to verify their answers and...
Curated OER
Graphing Systems at the Races
Learners investigate systems of equations as they use the Ti-Navigator to explore scenarios about dog races and NASCAR races. Pupils determine the winner of the race and when opponents pass each other given a speed and distance.
Texas Instruments
Making Predictions Using Systems of Equations
Students explore the concept of systems of equations. In this system of equations lesson, students enter data into lists on their calculators about 100 meter dash times. Students plot the points using a scatter plot and perform a linear...
Curated OER
System of Equations: Elimination Method Using Addition and Subtraction
In this system of equations worksheet, learners decide if the addition, subtraction, or substitution method works best for 15 problems of two equations and two unknowns and then use the preferred method to solve the system. Theys are...
Curated OER
Solving Systems by the Elimination Method
Pupils solve equations by elimination and use the TI to graph the lines and find the point of intersection.
Curated OER
Choosing a Summer Job
What did you do over your summer vacation. Young wage earners must compare summer job options, and determine when each job earn the same amount and what that amount be. This be done by creating, graphing, and solving systems of...
Other
Stony Brook University: Solving Linear Equations
The name linear comes from the fact that such an equation in two unknowns or variables represents a straight line. A set of such equations is called a system. This site explains all this and more.
Other
Metal: Linear Equations Ii [Pdf]
The resource is a lesson plan guide that discusses linear equations. Topics include solving simultaneous equations using graphing and algebra, and economic applications.
Texas Education Agency
Texas Gateway: Investigating Methods for Solving Linear Equations, Inequalities
Given linear equations and inequalities, the student will investigate methods for solving the equations or inequalities.
Texas Education Agency
Texas Gateway: Solving Linear Equations and Inequalities
When given a table, equation or verbal description, students will solve one- and two-variable equations and inequalities using algebraic steps or graphing methods.
Texas Education Agency
Texas Gateway: Solving Systems of Equations Using Matrices
Given a system of up to three linear equations, the student will solve the system using matrices with technology.
Texas Education Agency
Texas Gateway: Solving Systems of Equations With Algebraic Methods
Given verbal and/or algebraic descriptions of situations involving systems of two-variable linear equations, the student will solve the system of equations by different methods.
Texas Education Agency
Texas Gateway: Solving Systems of Equations With Graphs
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.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Solving Linear Systems by Graphing
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...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Solving Systems of Linear Equations by Graphing
Twenty problems present a variety of practice solving systems of linear equations 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...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Solving Systems of Linear Equations Algebraically
Twenty-seven problems present a variety of practice solving systems of linear equations algebraically. 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...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Graphing and Solving Systems of Linear Inequalities
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...
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Systems of Linear Equations in Two Var.
This tutorial will guide you through several tasks associated with systems of linear equations in two variables. Complete with definitions, problems with step-by-step solutions, and example exercises for you to complete and check.
Other
Algebra.com: Linear Equation and System Solvers
Linear equations can be solved and graphed using this interactive site. This site allows the user to enter any linear equation in standard form and the y-intercept will be found through a step-by-step process. Systems of inequalities can...
Other
Desmos: Linear Systems Bundle
A collection of activities where students investigate linear systems. Activities explore their features, points that are common to a system of two linear equations, ways to express a solution, using a system to make predictions, finding...
CK-12 Foundation
Ck 12: Interactive Algebra 1 for Ccss
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...
University of Georgia
University of Georgia: Slope of Lines
This site provides a detailed unit on finding the slope of lines that investigates methods for solving systems of equations. Good lesson plan for class.
Texas A&M University
Systems of Linear Equations an Introduction [Pdf]
Use this site to see how graphing and substitution are used to solve systems of equations. The examples have systems that have one, infinite, or no solutions. The site is set up to see the solutions step by step.