Adding and Subtracting Integers

Front

To solve a subtraction problem, you should . . .

Back

Keep the first number, change the - to +, and change the second number to the opposite.

Front

What is the result of -7 + 2 + (-7)?

Back

-12

Front

What is -18 + 4 - (-4)?

Back

-10

Front

What is -4 - 3?

Back

-7

Front

What is -18 + (-10)?

Back

-28

Front

What is the rule for adding two negative integers?

Back

Add their absolute values and keep the negative sign.

Front

What is the rule for adding a positive integer and a negative integer?

Back

Subtract the smaller absolute value from the larger absolute value and take the sign of the integer with the larger absolute value.

Front

What is the result of -5 + 3?

Back

-2

Front

What is the result of 6 - 9?

Back

-3

Front

What is the result of -10 - 4?

Back

-14