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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