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This Solving Equations Using Balance Scale, Decomposition, and Graphing lesson plan also includes:
- Worksheet
- Answer Key
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There's more than one way to solve an equation — three, actually. Scholars learn how to solve simple linear equations in one variable using three different methods, which include using balance scales, using decomposition (e.g., turning 2x into x + x), and using graphs.
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Concepts
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Instructional Ideas
- Use the resource as an exploratory activity to introduce solving linear equations
Classroom Considerations
- Lesson requires Internet access if using balance scale applets
- Note that while the lesson indicates alignment to Algebra I, it would be more appropriate for middle school under the Common Core standards
Pros
- Teacher guide contains links to websites for solving equations using balances
- Includes printable worksheet/note taking guide
Cons
- Contains outdated standards information