Adding and Subtracting Rational numbers

Front

5/8 − (− 7/8)

Back

1 1/2

Front

−7.34 − (−5.51)

Back

-1.83

Front

-31 + -7

Back

-38

Front

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position.

Back

9 + (-22) = -13

Front

7/10 - 9/10

Back

-1/5

Front

-13 - (-4) =

Back

-9

Front

When adding decimals with the same sign you...

Back

add and keep the sign

Front

When adding decimals with different signs you...

Back

subtract and take the sign of the larger number

Front

Rewrite the problem as addition: -5.66 - (-4.1)

Back

-5.66 + 4.1

Front

-23.4 - 3.4 =

Back

-26.8