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# Math Curriculum

## Level DUnit: Solving Equations and InequalitiesKey Lesson 7.6.8 Reasoning About Solving Equations (Part 2)

Lesson topic: Balancing to solve equations (Part 2)

## Instructor Materials

• Teacher guide
• Slides
• Practice Problems resource
• CCRS standard: 7.EE.4a
• Learning goal: Compare and contrast (orally) different strategies for solving an equation of the form p(x + q) = r. Explain (orally and in writing) how to use a balanced hanger diagram to solve an equation of the form p(x + q) = r. Interpret a balanced hanger diagram with multiple groups, and justify (in writing) that there is more than one way to write an equation that represents the relationship shown.
• 7.6 Assessment and Practice Problems

## Related Lessons

### Review and Extend

Use these supplemental lessons if needed after teaching this key lesson.

Used with permission:

1. IM K-5 Math was originally developed by Open Up Resources (OUR) and authored by Illustrative Mathematics® (IM), and is copyrighted 2017-2019 by Open Up Resources. It is licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0). OUR's K-5 Math Curriculum is available at https://openupresources.org/math-curriculum/.