Lesson Plan
Curated OER

Solving System of Linear Equations

For Teachers 7th - 9th
Students solve systems of equations. In this algebra lesson, students identify the number of solutions to a system of equation. They solve using linear combination and graphing.
Lesson Plan
Curated OER

Systems of Word Problems

For Teachers 9th
Ninth graders investigate systems of linear equations.  In this Algebra I instructional activity, 9th graders explore word problems that can be solved by using a system of equations.   The problems involve such topics as...
Worksheet
Curated OER

Solving Linear Systems

For Students 9th
In this linear systems instructional activity, 9th graders solve and complete 24 different problems that include solving various linear systems. First, they read through each example and define the two methods described for solving...
Worksheet
Curated OER

Rotation of Tasks for Solving Linear Equations

For Students 9th - 10th
In this linear systems worksheet, students solve systems of equations using three different methods: substitution, adding and subtracting, and graphing. This two-page worksheet contains three multi-step problems.
Lesson Plan
Curated OER

Solving Systems of Linear Equations Graphically

For Teachers 9th - 10th
Pupils solve systems of equations graphically. In this algebra lesson, students find the point of intersection of two lines if they are not parallel. They rewrite the equation in the y=mx + b form and graph using slope and intercept.
Interactive
Curated OER

Solving System of Equations by Addition

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students solve systems of linear equations by addition.  The one page interactive worksheet contains ten questions.  Answers and hints are provided.
Worksheet
Curated OER

Solving Systems of Three Equations with Substitution

For Students 9th
For this solving systems of equations worksheet, 9th graders solve and complete 12 different problems. First, they solve for one variable by combining like terms on one side of the equal sign. Then, students solve for the second...
Worksheet
Curated OER

Systems of Linear Equations

For Students 9th - 12th
In this systems of equations worksheet, students complete 14 multiple choice questions involving systems of equations and finding how many solutions belong to a set of systems.
Lesson Plan
Curated OER

Systems of Linear Equations Modeling!

For Teachers 9th - 12th
Students focus on finding solutions to situations found in everyday life. Students participate in activities to solve a system of equations, identify the system as consistent and independent, consistent and dependent or inconsistent. ...
Lesson Plan
Curated OER

Points of Intersection

For Teachers 9th - 10th
Students solve systems of equations.  In this solving systems of equations lesson, students look for the intersection of the two lines in the system.  Students solve systems that have one solution, no solution, and infinite...
Lesson Plan
Curated OER

Graphing Systems of Equations - Word Problemsr

For Teachers 8th - 10th
Students solve word problems which involve graphing systems of equations. After discussing methods of solving word problems, the teacher demonstrates how to solve problems which involve graphing. They work together, at their desks, and...
Worksheet
Curated OER

System of Equations Word Problems

For Students 9th - 11th
In this algebra worksheet, students solve word problems using systems of equations. They must first rewrite the words into algebraic expressions. There are 12 questions with an answer key.
Worksheet
Curated OER

Systems of Equations

For Students 9th - Higher Ed
For this systems of equations worksheet, students solve ten sets of problems by using the substitution method. They first decide which variable they are going to solve for, x or y. Then, students replace that value with the other...
Worksheet
Curated OER

Math Sheet #5

For Students 9th - 10th
In this math learning exercise, learners solve systems of equations using the elimination or substitution method. There are five problems on this one-page learning exercise.
Worksheet
Curated OER

Non Calculator Simultaneous Equations

For Students 8th - 9th
Eighth and ninth graders combine pairs of linear equations by multiplying and either adding or subtracting. They find the value of x in the pair of equations. They use substitution to find the value of y. Students use graphing to solve...
Lesson Plan
Illustrative Mathematics

Summer Swimming

For Teachers 7th - 9th Standards
Here is a real-world application for systems of equations. When is it better to pay an enrollment fee and lower daily rate, and when is it better to pay the regular price? The local swim center is having a special offer, reductions in...
Lesson Plan
EngageNY

Nature of Solutions of a System of Linear Equations

For Teachers 8th Standards
If at first you cannot graph, substitute. The lesson introduces the substitution method as a way to solve linear systems if the point of intersection is hard to determine from a graph. The 28th installment of a 33-part series finishes...
Worksheet
Curated OER

Solving Systems Algebraically

For Students 8th - 11th
In this algebra lesson, students solve systems of equations. They solve using substitution and elimination. There are 10 questions.
Lesson Plan
Mathematics Assessment Project

Solving Linear Equations in Two Variables

For Teachers 9th - 12th Standards
Solving problems about pen and paper with systems of equations ... or is it the other way around? In the lesson plan, learners first interpret expressions and use equations in two variables to solve problems about notebooks and pens....
Lesson Plan
1
1
West Contra Costa Unified School District

Linear-Quadratic Systems

For Teachers 8th - 10th Standards
Why do I have to learn two different ways to solve linear-quadratic systems? Isn't one way enough? Learners first investigate the three possible situations for linear-quadratic systems (two, one, or zero solutions), then solve such...
Lesson Plan
Curated OER

College Prep Algebra, Evaluate Expressions

For Teachers 8th - 9th
In this algebra worksheet, students use order of operations to solve 12 equations. They use the substitution method to solve 12 variable equations.
Lesson Plan
Curated OER

College Prep Algebra, Order of Operations

For Teachers 8th - 9th
In this algebra worksheet, students evaluate 9 exponential terms. They use order of operations to solve 18 rational number problems. Students use substitution to evaluate 4 problems involving variables.
Worksheet
Curated OER

Systems of Equations Word Problems

For Students 11th
In this algebra worksheet, 11th graders solve word problems using algebraic equations. There are 8 word problems with an answer key.
Assessment
New York State Education Department

Regents High School Examination: Integrated Algebra

For Teachers 9th - 12th
In this integrated algebra learning exercise, students answer 39 questions in preparation for the Regents High School Examination. Students solve problems about various topics in algebra and algebra II, including quadratics, systems of...