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 two negative integers?

Back

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

Front

What is the result of -3 + (-2)?

Back

-5

Front

How do you add a positive integer and a negative integer?

Back

Subtract the absolute value of the negative integer from the positive integer. The sign of the result is determined by the larger absolute value.

Front

What is the result of 3 + (-7)?

Back

-4

Front

What happens when you subtract a negative integer from a positive integer?

Back

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

Front

What is the result of 10 - (-4)?

Back

14

Front

How do you interpret temperature changes using integers?

Back

Temperature changes can be represented as positive or negative integers, where below zero is negative and above zero is positive.

Front

If the temperature changes from 3 degrees below zero to 7 degrees below zero, how do you calculate the change?

Back

Subtract the initial temperature from the final temperature: -7 - (-3) = -4 degrees.

Front

What is the result of -8 - 8?

Back

-16