Integer Addition/Subtraction/Word Problems

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 involves taking one integer away from another. This can be done by adding the opposite of the integer being subtracted.

Front

What is the result of -20 + (-11)?

Back

-31

Front

What is the result of 18 - (-4)?

Back

22

Front

How do you find the elevation after ascending from a starting point?

Back

To find the new elevation, add the distance ascended to the starting elevation.

Front

If the temperature is -14°F and it drops by 7°F, what is the new temperature?

Back

-21°F

Front

What is the result of adding a positive integer to a negative integer?

Back

The result depends on the absolute values of the integers. If the positive integer is larger, the result is positive; if the negative integer is larger, the result is negative.

Front

What is the result of -10 - 5?

Back

-15

Front

What is the result of 5 - (-3)?

Back

8