add and subtract 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 positive integer, you add its negative counterpart.

Front

What is the result of -6 + 12?

Back

6

Front

What is the result of -25 - 8?

Back

-33

Front

What is the result of (-10) + (-7)?

Back

-17

Front

How do you find the elevation after diving from a negative depth?

Back

To find the new elevation, add the depth of the dive to the current negative elevation.

Front

If the temperature drops from 32 degrees Fahrenheit by 11 degrees, what is the new temperature?

Back

21 degrees Fahrenheit.

Front

What is the rule for adding a positive integer to a negative integer?

Back

Subtract the absolute values and take the sign of the integer with the larger absolute value.

Front

What is the rule for subtracting a negative integer from a positive integer?

Back

When you subtract a negative integer, it is the same as adding its positive counterpart.