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Subtracting Integers (II)

Objective: I know how to subtract integers



To subtract integers, rewrite as adding opposites and use the rules for addition of integers.


Recall that rules for addition of integers is:

Rule 1:

The sum of two or more positive integers is a positive integer.
The sum of two or more negative integers is a negative integer.

Rule 2:

To find the sum of a positive and a negative integer:
Subtract the two numbers (ignore the signs) and then keep the sign of the larger integer.


Example:

9 -14 = 9 + (-14) = -5
-12 - 6 = -12 + (-6) = -18
-10 - (-7) = -10 + (- - 7) = -10 + 7 = -3


Refer to the lesson on subtracting integers for more information and examples.


Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Evaluate the following:

-6 - (-3) - 1 =

4 - (-9) - 5 =

-2 - (-6) - 3 =

5 - 7 - (-10) =

4 - (-8) - 6 - (-11) =

-12 - 7 - (-9) - 3 =

15 - 20 - 13 - 32 =

-12 - (-24) + (-36) =

-40 + 15 - 17 + 11 =

-176 - (-200) + (-100) - 150 =





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