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?

Explain the difference between Celsius and Fahrenheit thermometers.

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

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

Describe the average winter temperature in Fairbanks, Alaska.