Understanding Temperature Changes

What is the main goal of the lesson on changing temperatures?

• To learn how to multiply temperatures

• To understand how to use number lines to add positive and negative numbers

• To explore the history of temperature measurement

• To study the effects of temperature on plants

If you start at 40 degrees and get 10 degrees warmer, what is the final temperature?

• 60 degrees

• 50 degrees

• 40 degrees

• 30 degrees

What is the result of starting at 40 degrees and getting 30 degrees colder?

• 20 degrees

• 40 degrees

• 10 degrees

• 30 degrees

If you start at negative 20 degrees and get 30 degrees warmer, where do you end up?

• Negative 10 degrees

• Positive 10 degrees

• Zero degrees

• Positive 20 degrees

What is the final temperature if you start at negative 20 degrees and get 15 degrees colder?

• Negative 35 degrees

• Negative 15 degrees

• Negative 5 degrees

• Negative 25 degrees

In Orlando, it is 10 degrees warmer than in Houston, where it is 8 degrees. What is the temperature in Orlando?

• 8 degrees

• 10 degrees

• 18 degrees

• 20 degrees

If the temperature in Minneapolis is 20 degrees colder than in Houston, where it is 8 degrees, what is the temperature in Minneapolis?

• Zero degrees

• Negative 12 degrees

• Negative 20 degrees

• 8 degrees

What is the temperature in Fairbanks if it is 10 degrees colder than in Minneapolis, where it is negative 12 degrees?

• Negative 12 degrees

• Zero degrees

• Negative 22 degrees

• Negative 2 degrees

What expression represents the temperature change from 29 degrees to 16 degrees?

• 29 + (-13)

• 29 - (-13)

• 29 + 13

• 29 - 13

If Mr. Richards went to bed at 27 degrees and it got 11 degrees colder, what was the temperature when he woke up?

• 18 degrees

• 16 degrees

• 15 degrees

• 17 degrees