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 means adding the opposite. For example, to subtract a negative integer, you add its positive counterpart.

Front

What is the result of adding a positive integer and a negative integer?

Back

The result depends on the absolute values of the integers. Subtract the smaller absolute value from the larger one and take the sign of the integer with the larger absolute value.

Front

What is the result of -3 - (-10)?

Back

The result is 7, because subtracting a negative is the same as adding a positive.

Front

What is the value of 11 - (-5)?

Back

The value is 16, because subtracting a negative is the same as adding a positive.

Front

What is the temperature if it starts at 10 degrees and drops 24 degrees?

Back

The temperature is -14 degrees.

Front

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

Back

The result is 38, because subtracting a negative is the same as adding a positive.

Front

How do you express -3 - (-10) in words?

Back

Negative three minus negative ten.

Front

What is the sum of -7 and -3?

Back

The sum is -10.