TC Practical Problems involving operations with integers

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

How do you represent a temperature drop of 15 degrees?

Back

A temperature drop of 15 degrees can be represented as -15.

Front

What does a negative integer represent in real-life situations?

Back

A negative integer can represent a loss, a debt, or a position below a reference point, such as sea level.

Front

What is the average change in temperature if it drops 15 degrees over 5 hours?

Back

The average change in temperature is -3 degrees per hour.

Front

How do you calculate the total change in temperature from -12 degrees, rising 14 degrees, and then falling 5 degrees?

Back

The total change is calculated as -12 + 14 + (-5) = -3 degrees.

Front

What does it mean if a contestant has a negative point total?

Back

A negative point total indicates a loss or a deficit in points, often due to penalties or incorrect answers.

Front

If a submarine is 150 feet below sea level and an airplane is 375 feet above sea level, how do you find the difference in height?

Back

The difference in height is calculated as 375 - (-150) = 525 feet.

Front

What is the result of losing 8 points three times, winning 4 points, and then losing 2 points starting from 0?

Back

The result is -22 points.

Front

How do you express a temperature that is 12 degrees below zero?

Back

It can be expressed as -12 degrees.

Front

What is the formula to find the total change in temperature?

Back

The formula is: Total Change = Initial Temperature + Change in Temperature.