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 a negative integer?

Back

Adding a negative integer is the same as subtracting its absolute value.

Front

What is the result of adding two integers with the same sign?

Back

The result is an integer with the same sign, and you add their absolute values.

Front

What is the result of adding two integers with different signs?

Back

The result is the difference of their absolute values, and the sign is that of the integer with the larger absolute value.

Front

What is the rule for subtracting integers?

Back

To subtract an integer, add its opposite. For example, a - b is the same as a + (-b).

Front

Calculate: 16 + (-13) + 5

Back

8

Front

Calculate: -45 + 9

Back

-36

Front

Calculate: 13 + (-29)

Back

-16

Front

Calculate: 48 - (-31)

Back

79

Front

Calculate: -12 - 11

Back

-23