Integers in the Real World

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

What does a positive integer represent in real life?

Back

A positive integer can represent a gain, such as money earned or an increase in temperature.

Front

What does a negative integer represent in real life?

Back

A negative integer can represent a loss, such as money spent or a decrease in temperature.

Front

How do you represent a deposit in a bank account using integers?

Back

A deposit is represented by a positive integer.

Front

How do you represent a withdrawal from a bank account using integers?

Back

A withdrawal is represented by a negative integer.

Front

What is the opposite of a positive integer?

Back

The opposite of a positive integer is its corresponding negative integer.

Front

If the temperature is 30°F below zero, how is this represented as an integer?

Back

It is represented as -30°F.

Front

What integer represents a decrease of 50 employees?

Back

The integer -50 represents a decrease of 50 employees.

Front

If a submarine is 1800 ft below sea level and dives another 1500 ft deeper, what integer represents its new depth?

Back

The integer -3300 ft represents its new depth.

Front

What is the sum of -5 and 3?

Back

The sum of -5 and 3 is -2.