Understanding Temperature: Positive and Negative Numbers

This lesson teaches how to use positive and negative numbers by exploring temperature scenarios. It covers the use of a vertical number line, common mistakes in expressing negative temperatures, and the differences between Celsius and Fahrenheit thermometers. The lesson includes practical examples of temperature changes and concludes with a summary of key points.

What is the common mistake when writing negative temperatures?

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Explain the difference between Celsius and Fahrenheit thermometers.

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How would you calculate the new temperature if it drops from negative 5 degrees by 10 degrees?

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What happens to the temperature if you start at 5 degrees and drop 15 degrees?

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Describe the average winter temperature in Fairbanks, Alaska.

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