Adding and Subtracting Integers

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but not a fraction or decimal.

Front

What does it mean to add a negative integer?

Back

Adding a negative integer is the same as subtracting its absolute value.

Front

What does it mean to subtract a negative integer?

Back

Subtracting a negative integer is the same as adding its absolute value.

Front

Calculate: -21.4 - (-18)

Back

-3.4

Front

Calculate: 24.1 + (-31)

Back

-6.9

Front

Calculate: 19 + (-45)

Back

-26

Front

Calculate: 0 - 11

Back

-11

Front

Calculate: 11 - 19

Back

-8

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

How do you represent the addition of two integers on a number line?

Back

To add two integers, start at the first integer and move to the right for positive integers or to the left for negative integers.