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

Back

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

Front

What is the result of subtracting a negative integer from a positive integer?

Back

Subtracting a negative integer is the same as adding its positive counterpart.

Front

What is the rule for adding two negative integers?

Back

When adding two negative integers, the result is negative and you add their absolute values.

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: 6 - 9 = ?

Back

-3

Front

Calculate: -8 - (-4) = ?

Back

-4

Front

What happens when you multiply two negative integers?

Back

The result is a positive integer.

Front

Calculate: -7 x -9 = ?

Back

63

Front

Calculate: -9 x 3 = ?

Back

-27