Adding Integers

Front

(-2) + (+8)

Back

6

Front

(+9) + (+7)

Back

16

Front

(+7) + (-1)

Back

6

Front

(-6) + (-7)

Back

-13

Front

(-4) + (+3)

Back

-1

Front

(-2) + (-6)

Back

-8

Front

(-3) + (-9)

Back

-12

Front

(-7) + (+1)

Back

-6

Front

(-6) + (+9)

Back

3

Front

(-7) + (-4)

Back

-11