Curriculum / Math / 8th Grade / Unit 2: Solving One-Variable Equations / Lesson 8

Solving One-Variable Equations

Lesson 8

Math

Unit 2

8th Grade

Lesson 8 of 12

Objective

Understand that equations can have no solutions, infinite solutions, or a unique solution; classify equations by their solution.

Lesson Map

Topic A: Simplifying Expressions and Verifying Solutions

Lesson

Write equivalent expressions using properties of operations and verify equivalence.

Standards

8.EE.C.7

Lesson

Define a solution to an equation. Solve and verify solutions to 1 and 2 step equations.

Standards

8.EE.C.7

Topic B: Analyzing and Solving Equations in One Variable

Lesson

Justify each step in solving a multi-step equation with variables on one side of the equation.

Standards

8.EE.C.7.A8.EE.C.7.B

Lesson

Write and solve multi-step equations to represent situations, with variables on one side of the equation.

Standards

8.EE.C.7.B

Lesson

Solve equations with variables on both sides of the equal sign.

Standards

8.EE.C.78.EE.C.7.B

Lesson

Model with equations using a three-act task.

Standards

8.EE.C.7

Lesson

Write and solve multi-step equations to represent situations, including variables on both sides of the equation.

Standards

8.EE.C.7

Lesson

Understand that equations can have no solutions, infinite solutions, or a unique solution; classify equations by their solution.

Standards

8.EE.C.78.EE.C.7.A

Lesson

Solve and reason with equations with three types of solutions.

Standards

8.EE.C.78.EE.C.7.A

Lesson

Use equations to model a business plan and determine the break-even point.

Standards

8.EE.C.7

Topic C: Analyzing and Solving Inequalities in One Variable

Lesson

Solve and graph inequalities with variables on one side of the inequality (optional).

Standards

A.REI.B.3

Lesson

Solve and graph inequalities with variables on both sides of the inequality (optional).

Standards

A.REI.B.3

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