Adding and Subtracting Rational Numbers

Front

5/8 − (− 7/8)

Back

1 1/2

Front

−7.34 − (−5.51)

Back

-1.83

Front

6.59 + (−7.8) − (−2.41)

Back

1.2

Front

- 31 + - 7

Back

- 38

Front

Solve 1/2 + (-3/4)

Back

-1/4

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

The temperature was 3* C on Monday and was 7.5 degrees lower the next day. What was the temperature on Tuesday?

Back

-4.5* C

Front

-13 - (-4) =

Back

-9

Front

Tell whether this sentence is always true, sometimes true, or never true: negative - positive = negative

Back

always true