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 additive inverse of a number?

Back

The additive inverse of a number is the number that, when added to the original number, results in zero.

Front

How do you add two integers with different signs?

Back

To add two integers with different signs, subtract the smaller absolute value from the larger absolute value and take the sign of the integer with the larger absolute value.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

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; you subtract the smaller from the larger.

Front

What does it mean to subtract an integer?

Back

Subtracting an integer is the same as adding its additive inverse.

Front

If you go up 15 feet and then down 12 feet, how do you calculate your final position?

Back

You add 15 and -12, resulting in 3 feet up.

Front

What is the difference between two integers?

Back

The difference is found by subtracting one integer from another.

Front

What happens when you add two negative integers?

Back

When you add two negative integers, the result is a more negative integer.

Front

What is the result of -5 + 3?

Back

The result is -2.