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 the other is negative, subtract the smaller absolute value from the larger absolute value and keep 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 -5 + 3?

Back

-5 + 3 = -2.

Front

What is the result of 7 + (-4)?

Back

7 + (-4) = 3.

Front

What is the result of -10 - 5?

Back

-10 - 5 = -15.

Front

What is the result of 15 - (-3)?

Back

15 - (-3) = 15 + 3 = 18.

Front

How do you represent a number below sea level?

Back

A number below sea level is represented as a negative integer.

Front

What is the result of (-2) - (-3)?

Back

(-2) - (-3) = 1.

Front

How can you rewrite 24 + (-6)?

Back

24 + (-6) is the same as 24 - 6.