Add and Subtract Integers

Front

What is the result of 18 + (-13)?

Back

5

Front

What is the result of -7 + (-8)?

Back

-15

Front

What is the result of -18 + 12?

Back

-6

Front

What is the result of 3 + (-9)?

Back

-6

Front

What is the result of 5 - (-9)?

Back

14

Front

Define an integer.

Back

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

Front

What does it mean to add a negative number?

Back

Adding a negative number is the same as subtracting the absolute value of that number.

Front

What is the result of adding two negative integers?

Back

The result is always a negative integer.

Front

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

Back

The result depends on the absolute values; if the positive integer is larger, the result is positive, and if the negative integer is larger, the result is negative.

Front

What is the rule for subtracting integers?

Back

To subtract an integer, add its opposite.