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 one 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 negative integer, you add its positive counterpart.

Front

What is the result of 23 - (-5)?

Back

28

Front

How do you find the difference between two elevations?

Back

Subtract the lower elevation from the higher elevation, considering their signs.

Front

What is the difference between 33 feet above sea level and 22 feet below sea level?

Back

55 feet

Front

How do you calculate the difference in temperature between two days?

Back

Subtract the lower temperature from the higher temperature, considering their signs.

Front

What is the difference in temperature between 32 degrees and -5 degrees?

Back

37 degrees

Front

What is the result of 13 + -21?

Back

-8

Front

What is the result of -15 + -8?

Back

-23