Adding and Subtracting Integers

Front

Rewrite the statement 7 - 8.

Back

7 + ( - 8 ) = - 1

Front

Rewrite the statement 5 - ( - 7 ).

Back

5 + 7 = 12

Front

7 + ( - 11 )

Back

— 4

Front

14 + ( - 6 ) + 2

Back

10

Front

10 + ( - 4 ) + 3

Back

9

Front

Add. - 6 + ( - 8 )

Back

—14

Front

Stephanie has $152 in the bank. She withdraws $20. Then she deposits $84. Write an addition expression to represent this situation.

Back

$152 + ( - 20 ) + 84

Front

- 2 - ( - 9 )

Back

7

Front

Find the difference between the maximum and minimum temperatures on the Moon, which vary from -163°C to 137°C.

Back

300 degrees Celsius

Front

The Commutative Property of Addition states:

Back

a + b = b + a