Positive and Negative Numbers

Front

What is a positive number?

Back

A positive number is a number greater than zero, such as 1, 2, or 3.

Front

What is a negative number?

Back

A negative number is a number less than zero, such as -1, -2, or -3.

Front

What does 0 represent on a number line?

Back

0 is the neutral point on a number line, separating positive and negative numbers.

Front

What does it mean if a temperature is above 0°C?

Back

It means the temperature is warmer than the freezing point of water.

Front

What does it mean if a temperature is below 0°C?

Back

It means the temperature is colder than the freezing point of water.

Front

What does a negative elevation indicate?

Back

A negative elevation indicates that a location is below sea level.

Front

What does a positive elevation indicate?

Back

A positive elevation indicates that a location is above sea level.

Front

If Lisa's bank balance is -$87.12, what does this mean?

Back

It means Lisa has overdrafted her account by $87.12.

Front

How do you represent a loss in a bank account?

Back

A loss in a bank account is represented by a negative number.

Front

What is the relationship between positive and negative numbers on a number line?

Back

Positive numbers are to the right of 0, and negative numbers are to the left of 0.