Adding and subtracting rational numbers

Front

2/3 + (-1/3)

Back

1/3

Front

Is -1/3 - 4/5 positive, negative, or zero?

Back

Negative

Front

(-8.6) + 7.2

Back

-1.4

Front

Is 2/5 - (-5/6) positive, negative, or zero?

Back

Positive

Front

2/5 - (-5/6)

Back

37/30

Front

-1/3 - 4/5

Back

-17/15

Front

Equivalent expression to -1/3 - (-5/12)

Back

-1/3 + 5/12

Front

-1/3 - (-5/12)

Back

1/12

Front

3.1 + (-6.3)

Back

-3.2

Front

The temperature one morning was -4.7 degrees and rose to 11.6 degrees that night. Find the change in the temperatures.

Back

16.3 degrees