Adding and Subtracting Integers

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

What does it mean to add integers?

Back

Adding integers involves combining their values. If both integers are positive, the result is positive. If both are negative, the result is negative. If one is positive and one is negative, subtract the smaller absolute value from the larger absolute value and take the sign of the integer with the larger absolute value.

Front

What does it mean to subtract integers?

Back

Subtracting integers is the same as adding the opposite. For example, to subtract a negative integer, you add its positive counterpart.

Front

What is the result of 5 + (-3)?

Back

The result is 2.

Front

What is the result of -7 + 4?

Back

The result is -3.

Front

What is the result of -10 - 5?

Back

The result is -15.

Front

What is the result of 12 - (-4)?

Back

The result is 16.

Front

How do you find the difference between two temperatures?

Back

Subtract the lower temperature from the higher temperature, regardless of their signs.

Front

What is the difference between -9 and -11?

Back

The difference is 2 degrees.

Front

What is the result of 35 - (-35)?

Back

The result is 70.