Rational Numbers Lesson 1-5 Flashcard

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What does the absolute value of a number represent?

Back

The absolute value of a number represents its distance from zero on the number line, regardless of direction.

Front

How do you compare absolute values of two numbers?

Back

To compare absolute values, find the absolute value of each number and then compare the resulting values.

Front

What is sea level in terms of elevation?

Back

Sea level is the baseline elevation of 0 feet, used as a reference point for measuring elevation and depth.

Front

If a city is at -20 feet, what does this indicate?

Back

This indicates that the city is 20 feet below sea level.

Front

What is the inequality symbol for 'less than'?

Back

The symbol for 'less than' is <.

Front

What is the inequality symbol for 'greater than'?

Back

The symbol for 'greater than' is >.

Front

How do you express a number above sea level?

Back

A number above sea level is expressed as a positive number.

Front

How do you express a number below sea level?

Back

A number below sea level is expressed as a negative number.

Front

What does the number line represent in terms of elevation?

Back

The number line represents different elevations, with positive numbers indicating heights above sea level and negative numbers indicating depths below sea level.