11-17 Addition/Subtraction of Integers

Front

What is the result of 43 + (-54)?

Back

-11

Front

What is the result of -7 - (-12)?

Back

5

Front

What is the result of 5 - (-19)?

Back

24

Front

What is the result of 29 - (-13)?

Back

42

Front

What does adding a negative number do to a positive number?

Back

It decreases the value of the positive number.

Front

What does subtracting a negative number do to a positive number?

Back

It increases the value of the positive number.

Front

What is the rule for adding two integers with the same sign?

Back

Add their absolute values and keep the sign.

Front

What is the rule for adding two integers with different signs?

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 -10 + 10?

Back

0

Front

What is the result of -15 - 5?

Back

-20