Real Numbers

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Real Numbers
Subtraction
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Subtractiona - b

• First, change SUBTRACTION to adding the
  opposite of the number being subtracted. Then
  follow the rules for ADDITION.

Add
Opposite
Subtract
3
Subtraction Real Numbers
positive subtract positive
replace subtract with add the opposite
4
Subtraction Real Numbers
negative subtract positive
replace subtract with add the opposite
5
Subtraction Real Numbers
negative subtract negative
replace subtract with add the opposite
6
Subtraction Real Numbers
positive subtract negative
replace subtract with add the opposite
7
Subtraction Real Numbers
zero subtract negative
replace subtract with add the opposite
8
Subtraction Real Numbers
zero subtract positive
replace subtract with add the opposite
9
Subtraction Real Numbers
replace subtract with add the opposite
Find the LCD
Higher Terms
10
Subtraction Real Numbers
replace subtract with add the opposite
Find the LCD
Higher Terms
11
Subtraction Real Numbers
replace subtract with add the opposite
Find the LCD
Higher Terms
12
Subtraction Real Numbers
replace subtract with add the opposite
Find the LCD
Higher Terms
13
Application High vs Low

• For Sacramento, California, the highest recorded
  temperature was 46?C. The lowest recorded
  temperature was -8 ?C. Find the difference
  between the highest and the lowest temperatures.

The difference is 54?C.
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Thats All for Now!