Integers

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 a negative integer represent in real-life situations?

Back

A negative integer often represents a loss or a decrease, such as a withdrawal from a bank account or a drop in temperature.

Front

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

Back

A positive integer often represents a gain or an increase, such as a deposit in a bank account or a rise in temperature.

Front

How do you represent a withdrawal of $50 from a bank account using integers?

Back

A withdrawal of $50 is represented as -$50.

Front

How do you represent a descent of 3000 feet by a plane using integers?

Back

A descent of 3000 feet is represented as -3000.

Front

What integer represents a gain of 10 yards on a football play?

Back

A gain of 10 yards is represented as +10.

Front

If Boston has a temperature of -20 degrees, what could represent a colder temperature in New York?

Back

A colder temperature in New York could be represented as -30 degrees.

Front

What situation could the integer -50 represent?

Back

The integer -50 could represent a decrease of 50 employees.

Front

What is the absolute value of an integer?

Back

The absolute value of an integer is its distance from zero on the number line, regardless of direction. For example, |-5| = 5.

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.