Intro to Negative Numbers

Negative Numbers and Temperature

Today we are learning about negative numbers and number lines because...

• You are learning about them in math class

• You use negative numbers in real life for temperature, elevation, and money

• Number lines are a tool you can use to help understand negative numbers

Multiple Choice

Is -2 a negative or positive number?

• Negative

• Postive

Open Ended

How do you know that -16 is a negative number?

Where are the negative numbers in this picture?

What is colder -2 or 2 degrees?

• First I see which number is further to the left

• The further away a number is from 0 in the negatives, the colder it is

• The further away a number is in the positives, the warmer it is

• -2 is further to the left, so I know that it's colder

Multiple Choice

What is colder, -4 or 4 degrees?

• -4

• 4

Open Ended

How do you know that -4 is colder?

How do you know -4 is colder

- 4 is further to the left from the 0, the further to the left, the colder it is.

You do the same for warmer temperatures.

The further to right a number is, the warm the temperature is. 5 degrees is further from the 0 so it's warmer than 3 degrees, because 3 is closer to 0.

Open Ended

What did you learn about today?

Multiple Choice

What is this a picture of?

• A numberline

• A number solution

• A number problem

Multiple Choice

What is colder -2 or -16?

• -2

• - 16

Open Ended

How do you know - 16 is colder?

Multiple Choice

What is warmer, 2 or 66 degrees?

• 2

• 66

Open Ended

How do you know 66 is warmer?