Objective

Bellringer: Warm-up

Classwork

Homework

Introducing Solving Systems of Equations by Substitution

Objective

SWBAT explain the purpose of substitution when solving a system of equations algebraically and then solve using this strategy.

Big Idea

Expand on student understanding of solutions to an equation and generating equivalent equations to solve systems by substitution.

Lesson Author

Christa Lemily

Bowling Green, KY

Grade Level

Eighth grade

Subjects

Math

Algebra

substitution method

Linear and Nonlinear Equations

Standards

8.EE.C.8

Analyze and solve pairs of simultaneous linear equations.

MP6

Attend to precision.

MP7

Look for and make use of structure.

Bellringer: Warm-up

8 minutes

Classwork

35 minutes

Unexpected Student Work

Solving systems by Substitution Reflection.mov

Homework

7 minutes

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Introducing Solving Systems of Equations by Substitution

Objective

Big Idea

Bellringer: Warm-up

Classwork

Homework

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