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4
3
2
It is
o
2C
• The temperature drops by 3
degrees
1
0
-1
-2
-3
• What temperature is it now?
o
-1 C
Next Page
4
3
2
1
0
It is
o
4C
• The temperature drops by 5
degrees
• What temperature is it now?
-1
-2
-3
o
-1 C
Next Page
4
3
2
1
0
It is
o
-2 C
• The temperature rises by 3
degrees
• What temperature is it now?
-1
-2
-3
o
+1 C
Next Page
4
3
2
1
0
3 - 4 = -1
-1
-2
-3
This is a
negative
number
Next Page
20
It is
o
10 C
15
10
5
0
• The temperature drops by
15oC
• What is the temperature now?
-5
-10
-15
o
-5 C
Next Page
20
It is
o
15 C
15
10
5
0
• The temperature drops by
20oC
• What is the temperature now?
-5
-10
-15
o
-5 C
Next Page
20
15
10
5
0
15 - 20 = -5
-5
-10
-15
Next Page
20
15
10
5
0
-15+10 = -5
-5
-10
-15
Next Page
20
15
10
5
0
-15+20 = +5
-5
-10
-15
Next Page
WELL
DONE!!
Next Page
LO: Negative
numbers
A
I don’t understand this idea at
all and need to work again on
this unit of work.
B
I have some understanding
but I need more practice.
C
I understand this idea fully.
End of slide show