Adding and Subtracting Integers word problems

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but not a fraction or decimal.

Front

How do you add two integers with different signs?

Back

To add two integers with different signs, subtract the smaller absolute value from the larger absolute value and keep the sign of the integer with the larger absolute value.

Front

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

Back

The result can be positive, negative, or zero, depending on the absolute values of the integers.

Front

What does it mean to subtract an integer?

Back

Subtracting an integer is the same as adding its opposite. For example, subtracting -3 is the same as adding +3.

Front

What is the difference between 'depth' and 'elevation'?

Back

Depth refers to how far below a reference point (like sea level) something is, while elevation refers to how high above a reference point something is.

Front

If Marie is at -15 feet and Nancy is at -22 feet, how do you find the difference in their depths?

Back

Subtract the depth of Marie from the depth of Nancy: -15 - (-22) = 7 feet.

Front

What is the formula to calculate the change in elevation?

Back

Change in elevation = Final elevation - Initial elevation.

Front

If the temperature changes from -15°C to -27°C, how do you calculate the change?

Back

Change in temperature = Final temperature - Initial temperature = -27 - (-15) = -12°C.

Front

What does it mean if the temperature decreases?

Back

It means the temperature is getting lower, which can be represented by a negative change in temperature.

Front

How do you represent a gain and a loss in football yardage?

Back

A gain is represented by a positive integer and a loss is represented by a negative integer. For example, gaining 9 yards is +9 and losing 22 yards is -22.