Lesson Plan
EngageNY

Modeling Riverbeds with Polynomials (part 1)

For Students 10th - 12th Standards
Many things in life take the shape of a polynomial curve. Learners design a polynomial function to model a riverbed. Using different strategies, they find the flow rate through the river.
Lesson Plan
Curated OER

Solving Systems by Substitution

For Teachers 9th - 10th
Students solve systems of linear equations using substitution. They investigate the steps to solving linear equations by substitution and practice problems in small groups.
Worksheet
Curated OER

Solving Systems of Three Equations with Substitution

For Students 9th
In 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 variable....
Worksheet
Curated OER

Twenty-Four Linear Systems Solved Using Substitution and Elimination

For Students 10th - 12th
In this solving linear systems worksheet, students solve twenty-four systems using the substitution and elimination methods.  Definitions and examples are provided.
Worksheet
Curated OER

Systems of Equations: Substitution Method

For Students 8th - 12th
For this systems of equations worksheet, students solve 6 systems using the substitution method. Students then set up and solve 2 systems of equations word problems, one being a mixture problem.
Worksheet
Curated OER

Substitution

For Students 9th
In this substitution worksheet, 9th graders solve and complete 15 different problems that include various systems of equations. First, they use substitution to solve each system of equations. Then, students state whether the equation has...
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

Substitution Process in Problem Solving

For Teachers 6th - 10th
Students apply the substitution process to solve equations with more than one variable. They explore how to use the process and when it should be used.
Lesson Plan
Curated OER

Solving Systems of Linear Equations

For Teachers 10th - 11th
In this linear equation worksheet, students solve systems of linear equations by using the substitution and elimination methods. Explanations and examples are provided prior to the problems. There are 20 problems to solve on this...
Lesson Plan
Curated OER

Solving Systems of Linear Equations

For Teachers 9th - 11th
In this linear equation worksheet, students use the substitution or elimination method to solve systems of equations. There are 20 problems on this two-page worksheet.
Lesson Plan
Curated OER

Solving Problems Using Systems of Equations Section 8.3

For Teachers 9th - 10th
In this system of equations worksheet, learners solve problems involving systems of equations. They read short stories, write equations relating to the information, and solve the systems of equations using the substitution or elimination...
Worksheet
Curated OER

Solving Systems of Linear Equations

For Students 7th - 9th
In this systems of linear equations worksheet, students use both the elimination and the substitution methods to solve 20 problems involving systems of two linear equations.
Worksheet
Curated OER

Systems of Equations

For Students 9th
In this solving systems of equations worksheet, 9th graders solve and complete 12 different problems algebraically. First, they solve each system of equations using substitution. Then, students solve each system of equations using...
Lesson Plan
Curated OER

Matrices In Encryption And Decryption Of Codes

For Teachers 10th - 12th
Students relate Cryptography to the solving of simultaneous linear equations in matrix notation. They explore various methods of encrypting and decrypting codes. Pupils discuss and solve simultaneous linear equations.
Lesson Plan
Curated OER

Solving Systems of Linear Equations: Extra Practice 31

For Teachers 8th - 9th
In this math worksheet, students solve systems of two linear equations using either the substitution method or the elimination method. Seven of the twenty problems have a coefficient of one for one of the two variables.
Worksheet
Curated OER

Solving Systems of Equations

For Students 12th - Higher Ed
In this systems of equations worksheet, students solve 4 different problems related to various systems of equations. First, they write out and solve the system of equations shown using Maple. Then, students write the system in matrix...
Lesson Plan
Curated OER

Solving Systems of Equations Algebraically

For Teachers 9th - 10th
Students solve systems of equations algebraically. In this algebra lesson, students solve systems using substitution and elimination. They solve linear and quadratic systems.
Worksheet
Curated OER

Topic 3.2 - Solving Systems of Equations Algebraically

For Students 8th - 10th
In this algebraic equation worksheet, students solve 6 systems of equations using substitution. They then solve 6 more in which they use elimination.
Lesson Plan
Curated OER

Systems of Equations - Week 6

For Teachers 12th - Higher Ed
In this systems of equations worksheet, students solve systems of equations simultaneously. They read story problems, write systems of equations. This two-page worksheet contains eight problems.
Lesson Plan
Curated OER

Systems of Equations

For Teachers 9th - 10th
Students solve systems of equations. In this algebra instructional activity, students use elimination and substitution to solve for the point of intersection. They use graphing to see where the two lines intersect.
Worksheet
Curated OER

Two-Step Linear Equations

For Students 7th
In this two-step linear equations worksheet, 7th graders solve 15 various problems that include linear equations with more than one-step. First, they need to get the variable, x, alone by subtracting/adding the whole number on the same...
Worksheet
Curated OER

Solving Equations Reducible to Quadratic

For Students 9th - 11th
In this solving equations worksheet, students solve given quadratic equations. This four-page worksheet contains 16 multi-step problems. Examples and explanations are provided at the beginning of the worksheet.
Lesson Plan
Curated OER

Linear Systems

For Teachers 7th - 9th
Students solve and graph linear equations. In this algebra lesson, students solve systems of equations using elimination and substitution. They graph their answer and identify the point of intersection.
Worksheet
Curated OER

Using Proof in Algebra

For Students 10th
In this using proofs in algebra worksheet, 10th graders solve 2 proofs by applying the many rules from algebra for the Properties of Equality for real numbers. They name the property that justifies each statement as seen in the...