1. I Can Statement 1.6
I can represent and compare numbers less than 0 by extending the number line and using familiar applications such as temperature and owing money .

2. Why is it important (Relevant) to you?
Thermometers.
Taking your temperature.
How hot or cold it is outside.
How cold does it need to be outside for school to be canceled?
Money ( 1 Dollar Bill)

3. Math Journal Vocabulary
Compare - to find similarities and __________.
Whole Numbers - A ________ number including _______.
_______ is not a whole number because it is less than 0.

4. More Vocab
Integers are like whole numbers, but they also include _________ numbers ... but still no fractions allowed!
Integers can be
negative {-1, -2,-3, -4, -5, … },
positive {1, 2, 3, 4, 5, … },
zero {0}

5. Compare The Following:
100 degrees to 50 degrees
- 20 degrees and 20 degrees
The number 5 and -8.

6. What numbers are WHOLE NUMBERS?3 -2 9
112
-23
For every positive number there is a _________ number.

7. What is a Number Line?
A number line is a list of numbers that go on forever in both directions.
What are some things in real life that have number lines?

8. Using a Number Line
Five numbers are marked by letters on the number line below.
Which letter is the highest?
Which letter is the lowest?
Where would a $1 bill be placed on the number line?
A B C D E

9. Thermometers Mary checked the outside temperature.
What temperature is shown on the thermometer?
A. 6 degrees
B. -4 degrees
C. -6 degrees
D. 2 degrees

10. What did we learn about comparing numbers less than 0?
Whole numbers are all positive numbers.
A number line is used in different ways to help us compare numbers less than 0.

11. What number line shows X at - 1? A. B. C. D.

12. Activity Comparing #’s