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 does it mean to add a negative integer?

Back

Adding a negative integer is the same as subtracting a positive integer.

Front

What does it mean to subtract a negative integer?

Back

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

Front

Calculate: 9 - (-10)

Back

19

Front

Calculate: -8 - 6

Back

-14

Front

If the temperature is 10 degrees and it drops 24 degrees, what is the new temperature?

Back

-14 degrees.

Front

What is the difference between the highest and lowest temperatures?

Back

The difference is found by subtracting the lowest temperature from the highest.

Front

Calculate: 28 + (-30)

Back

-2

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.

Front

How do you find the sum of two integers with different signs?

Back

Subtract the smaller absolute value from the larger absolute value and take the sign of the integer with the larger absolute value.