Adding and Subtracting Integers

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but not a fraction or decimal.

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 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 -2 - (-6)?

Back

4

Front

What is the result of -80 + 20?

Back

-60

Front

What is the result of -4 - 4?

Back

-8

Front

What is the result of 5 - (-2)?

Back

7

Front

What is the result of 8 - (-5)?

Back

13

Front

How do you subtract a negative integer?

Back

To subtract a negative integer, you add its positive equivalent. For example, 5 - (-3) becomes 5 + 3.

Front

What is the absolute value of an integer?

Back

The absolute value of an integer is its distance from zero on the number line, regardless of direction. For example, |-4| = 4 and |4| = 4.