Adding and Subtracting Rational Numbers

Front

-4 - 10

Back

-14

Front

-40 + 15.05

Back

-24.95

Front

¼ − (-¾) =

Back

1

Front

2/4 + -5/4

Back

-3/4

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

1/4 - (3/10) =

Back

-1/20

Front

5/8 − (− 7/8)

Back

1 1/2

Front

6.59 + (−7.8) − (−2.41)

Back

1.2

Front

Temperature on Monday was 3°C. It was 7.5°C lower on Tuesday. What was the temperature on Tuesday?

Back

-4.5°C