19- Interpreting Negative Numbers

Front

What is a negative number?

Back

A negative number is a number that is less than zero, often used to represent values below a reference point, such as temperature or elevation.

Front

What does the absolute value of a number represent?

Back

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

Front

How do you interpret negative temperatures?

Back

Negative temperatures indicate that the temperature is below zero degrees, often used in weather reports.

Front

What does it mean if a number is below sea level?

Back

A number below sea level is represented as a negative number, indicating how far below the reference point of sea level it is.

Front

What is the absolute value of -10?

Back

|-10| = 10.

Front

If the temperature is -4 degrees, how much warmer is 0 degrees?

Back

0 degrees is 4 degrees warmer than -4 degrees.

Front

What is the distance between -3 and 2 on a number line?

Back

The distance is 5 units, calculated as |2 - (-3)| = |2 + 3| = 5.

Front

How do you find the difference between two negative numbers?

Back

To find the difference, subtract the smaller number from the larger number, treating them as positive values.

Front

What is the result of adding a negative number to a positive number?

Back

The result will depend on the absolute values; if the positive number is larger, the result is positive, and if the negative number is larger, the result is negative.

Front

What does a thermometer reading of -5 degrees indicate?

Back

It indicates that the temperature is 5 degrees below zero.