1.2 SUBTRACTING How are adding integers and subtracting ...
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How are adding integers and subtracting integers related? 1.2 SUBTRACTING INTEGERS
Transcript of 1.2 SUBTRACTING How are adding integers and subtracting ...
How are adding integers and subtracting integers related?
1.2
SUBTRACTING INTEGERS
3 - 2 Both Positive
3 - 2 Both Positive
3 + (- 2) Compared to Adding
3 + (- 2) Compared to Adding
a number is the same as
the of that number
In Words…
HOW TO SUBTRACT INTEGERS USING A
NUMBER LINE:
-4 - 1
Using a Number Line
-4
-4 - 1
Using a Number Line
-4 -1
To an integer, change the sign
sign and make the integer
General Rule
ADDITIVE INVERSE PROPERTY:
+ =
-4 + 4 - 9
-4 + 4 - 9
-4
-4 + 4 - 9
-4 4
-4 + 4 - 9
-4 4
-9
