Integer Word Problems

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.

Front

What does it mean to drop in temperature?

Back

Dropping in temperature means that the temperature is decreasing. For example, if the temperature drops from 5º to -12º, it has decreased by 17º.

Front

How do you represent a temperature below zero?

Back

Temperatures below zero are represented with a negative sign. For example, -12º indicates a temperature 12 degrees below zero.

Front

What is the formula to find the difference in elevation?

Back

To find the difference in elevation, subtract the lower elevation from the higher elevation. For example, the difference between Mt. Everest (29,028 feet) and the Dead Sea (-485 feet) is 29,028 - (-485) = 29,513 feet.

Front

How do you calculate the new temperature after a decrease?

Back

To calculate the new temperature after a decrease, subtract the decrease from the original temperature. For example, if the original temperature is 102º and it decreases by 3º, the new temperature is 102 - 3 = 99º.

Front

What does it mean to go down in floors?

Back

Going down in floors means moving to a lower numbered floor in a building. For example, if an elevator goes down from the 20th floor to the 9th floor, it has moved down 11 floors.

Front

What is the result of adding a negative number?

Back

Adding a negative number is the same as subtracting its absolute value. For example, 5 + (-3) = 5 - 3 = 2.

Front

What is the result of subtracting a negative number?

Back

Subtracting a negative number is the same as adding its absolute value. For example, 5 - (-3) = 5 + 3 = 8.

Front

How do you represent depth underwater?

Back

Depth underwater is represented with a negative sign. For example, a depth of 96 feet below the surface is represented as -96 feet.

Front

What is the significance of zero in integers?

Back

Zero is an integer that represents a neutral point. It is neither positive nor negative and is often used as a reference point.