Adding and Subtracting Rational Numbers

Front

-61 -(-23)

Back

-84

Front

82 -(-18)

Back

100

Front

76 + (-35)

Back

41

Front

(-97) +34

Back

-63

Front

19 - 84

Back

-65

Front

-40 + (-69)

Back

-109

Front

-42 - 72

Back

-114

Front

What is the first step in solving the expression 79 - 51?

Back

Change to an addition problem

Front

-35 - (-95)

Back

60

Front

-26 + 90

Back

64