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Negative Numbers - PowerPoint PPT Presentation
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Negative Numbers. What do you understand by this?. We think of numbers being on a number line:. Understanding Negative Numbers. ∞. 0. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. These numbers are all positive numbers, although we don’t actually put the + sign in front of each number. +. 0. 1.
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Negative Numbers
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Presentation Transcript
Negative Numbers
What do you understand by this?
We think of numbers being on a number line:
Understanding Negative Numbers
∞
0
1
2
3
4
5
6
7
8
9
10
These numbers are all positive numbers, although we don’t actually put the + sign in front of each number
+
1
2
3
4
5
6
7
8
9
10
The number line can also continue on past 0:
Understanding Negative Numbers
-9
-8
-7
-6
-5
-4
-3
-2
-1
These new numbers are negative numbers.
-
5
4
Getting warmer
3
The temperaturescale is often seen vertically.
Negative Numbers
2
1
Water freezing
0
- 1
- 2
As the temperature goes below freezing we use negative numbers.
Getting colder
- 3
- 4
- 5
- 6
Discuss Temperature Difference & Change
NNS Thermometer
