Use the distributive property to solve equations. The sixth activity in a 33-part series has scholars solve equations that need to be transformed into simpler equations first. Class members apply the distributive property to the equations to simplify them. Pupils also determine that not all equations have solutions.

Concepts

distributive property, linear equations, solving equations, solving for 1 variable, algebraic equations, equations, equivalent equations, multi-step equations, one variable equations, single variable equations

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Additional Tags

math

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Instructional Ideas

• Provide a quick review of the distributive property, especially using negative numbers
• Have the class summarize what the final equation looks like for a linear equation to have no solution, one solution, and infinite solutions

Classroom Considerations

• The class should be familiar with solving simple two-step linear equations

Pros

• Scaffolding provides alternative example problems to meet the needs of diverse learners
• The answer key shows all the steps needed to solve the equation
• The lesson includes an organizational suggestion for justifying the steps

Cons

• None

Common Core

8.EE.C.7.a MP3