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 integers?

Back

Adding integers involves combining their values. If both integers are positive, the result is positive. If both are negative, the result is negative. If one is positive and the other is negative, subtract the smaller absolute value from the larger absolute value and take the sign of the integer with the larger absolute value.

Front

What does it mean to subtract integers?

Back

Subtracting integers means adding the opposite. For example, to subtract a positive integer, add its negative counterpart.

Front

What integer represents a depth of 72 feet below sea level?

Back

-72

Front

Calculate (-13) + 8.

Back

-5

Front

What is the result of -6 + (-4) + 3?

Back

-7

Front

If the temperature is 20 degrees Fahrenheit and it rises 10 degrees, then falls 3 degrees, what is the final temperature?

Back

27 degrees Fahrenheit.

Front

Find the difference between an elevation of 33 feet above sea level and 22 feet below sea level.

Back

55 feet.

Front

What is the absolute value of -15?

Back

15

Front

How do you represent a temperature drop of 5 degrees?

Back

-5