roberto & justin
Post on 15-Jun-2015
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2.2 Adding Integer
By Roberto Lopez & Justin Roe
1.Add the two numbers and keep the same sign
2.Subtract the two numbers and keep the sign of the number with the larger absolute value
Adding Integer Rules
Adding Integers
-3 + -2 =
-5 + 3= Adding Integers
Another way to think of it
-7 + 9 =
-4 + -2 =
5 + -3 =
Lose 7 Win 9
Lose 4 Lose 2
Win 5 Lose 3
Adding integers with the same
sign
Adding integers with different
signs1.2 + -7 = 1.-5 + 9 =
Find the sum
1. -6 + -4 =2. 5 + -9 =
3. -3 + 7 =
4. -2 + -8 =5. 7 + -7 =6. -5 + -5
1
-7 + (-5) =
2
- 10 + 12 =
3
-6 + -2
4
-9 + 6 =
5
-3 + 8 + (-9) =
THE END
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