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Adding Integers
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Adding Integers
To add integers with the same sign, add their
absolute values and give the result the same sign
as the integers
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Adding Integers
2 3
5
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2 3 5
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Adding Integers
2 3 5
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Adding Integers
-2 -3
-5
2
4
5
-1
-2
-3
-4
0
1
3
-5
7
-2 -3 -5
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Adding Integers
-2 -3 -5
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Adding Integers
2 3 5
-2 -3 -5
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Adding Integers
-5 -4 -9
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Adding Integers

• Write the following definition on a 4x6 Card
• Keep the card for future reference

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To add integers with different signs -
subtract their absolute values and give the
result the same sign as the integer with the
greatest absolute value
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Adding Integers
To add integers with different signs, subtract
and use the sign of the bigger number
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Adding Integers
5 (-3)
2
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5 (-3)
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What is 1 (-1)?
0
So a positive chip (1) added to a negative chip
(-1) is zero. Remove them from the board
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2 positives remaining
5 (-3) 2
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Adding Integers
5 -3 2
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Adding Integers
-3
-5 2
-5
2
5
-1
-3
-4
4
-2
0
1
3
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Three negative chips remain so.
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Adding Integers
-5 2 -3
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Adding Integers
6 -3
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Adding Integers
3
6 -3
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