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 is the same as adding the opposite. For example, to subtract a negative integer, you add its positive counterpart.

Front

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

Back

-10

Front

What is the result of 11 - (-5)?

Back

16

Front

What is the result of -9 + 5?

Back

-4

Front

What is the result of 12 - 6?

Back

6

Front

What is the same as -4 - (-2)?

Back

-4 + 2

Front

What is the difference between 9 degrees below zero and 11 degrees below zero?

Back

2 degrees.

Front

If Emily is at -40 feet and swims up 10 feet, what is her new depth?

Back

-30 feet.