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 to a negative integer?

Back

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

Front

Calculate: 5 - 19

Back

-14

Front

Calculate: -8 + 20

Back

12

Front

Which expression has the greatest value: -7 + (-3), 11 - (-5), -9 + 5, 12 - 6?

Back

11 - (-5) has the greatest value.

Front

Calculate: -22 + (-3) + 10

Back

-15

Front

If Theo had a balance of -$4 and then deposited money to have $25, what is the change?

Back

The change is $29.

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).