Lesson 14

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Solving problems with Rational Numbers

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Warm Up

Lesson

Summary

Cool

Down

Reflections

Student

Task

Learning

Targets

Practice Problems

Lesson Video

Unit 5

Rational Number Arithmetic

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14.1 Warm Up: which one doesn’t belong: Equations

Which equation doesn’t belong?

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Learning Targets

• Today I will learn how to solve expression problems using all four operations.

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• I can solve problems using the four operations with rational numbers.
• I can represent situations with expressions that include rational numbers.

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Success Criteria

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14.2 draining and filling a tank

A tank of water is being drained. Due to a problem, the sensor does not start working until some time into the draining process. The sensor starts its recording at time zero when there are 770 liters in the tank.

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14.2 draining and filling a tank

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14.3 buying and selling power

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14.3 Are you ready for more?

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Lesson Summary

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Lesson Summary

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14.4 Cool Down: Charges and checks

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Reflections

• Can you solve problems using the four operations with rational numbers?
• Can you represent situations with expressions that include rational numbers?

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Practice Problems

Can Do:

Must Do:

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Lesson Video

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