# 10. Using equations to solve problems (A)

teaches Common Core State Standards CCSS.Math.Content.6.EE.B.8 http://corestandards.org/Math/Content/6/EE/B/8
teaches Common Core State Standards CCSS.Math.Practice.MP2 http://corestandards.org/Math/Practice/MP2

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Lesson objective: Apply understanding of how to solve equations in order to solve real-world problems.

This lesson provides an opportunity for students to apply their knowledge and understanding of solving equations to a real-life situation. Students are asked to determine how many laps Diego, Ashley and Paige must walk in order to each raise \$30 for their school's walk-a-thon.

Key Concept students will use:

• Because equations show a relationship between expressions, we can use the relational meaning of the equal sign to find a missing value in an equation.

Skills students will use:

• Using inverse operations to solve equations
• Using properties of operations of algebraic equations (Grade 6, Unit 8)

Key vocabulary:

• equation
• expression
• variable

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