Lesson 7

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Reasoning about solving equations (Part 1)

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Warm Up

Lesson

Summary

Cool

Down

Reflections

Student

Task

Learning

Targets

Practice Problems

Lesson Video

Unit 6

Expressions, Equations and Inequalities

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7.1 Warm Up: Hanger Diagrams

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What do you notice?

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What do you wonder?

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7.1 Warm Up: Hanger Diagrams

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Learning Targets

• Today I will learn how to balance an equation.

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• I can find an unknown weight on a hanger diagram and solve an equation that represents the diagram.
• I can write an equation that describes the weights on a balanced hanger.
• I can explain how a balanced hanger and an equation represent the same situation.

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SUccess Criteria

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7.2 Hanger and equation matching: think • pair • share

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7.2 Hanger and equation matching: think • pair • share

APPLET

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7.3 Use hangers to understand equation solving

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7.3 are you ready for more?

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Lesson Summary

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7.4 Cool Down: Solve the equation

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Reflections

• Can you find an unknown weight on a hanger diagram and solve an equation that represents the diagram?
• Can you write an equation that describes the weights on a balanced hanger?
• Can you explain how a balanced hanger and an equation represent the same situation?

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Practice Problems

Must Do: #2 & 3

Can Do: #1

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Lesson Video

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