Classifying Numbers

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

Give an example of a rational number.

Back

95.3̅ (which is 95.333...) is an example of a rational number.

Front

What is a whole number?

Back

Whole numbers are non-negative numbers without fractions or decimals, including zero.

Front

Provide an example of a whole number.

Back

9 is an example of a whole number.

Front

What is a natural number?

Back

Natural numbers are the set of positive integers starting from 1 (1, 2, 3, ...).

Front

Is 2 a natural number?

Back

Yes, 2 is a natural number.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; its decimal representation goes on forever without repeating.

Front

Which of the following is NOT a characteristic of whole numbers?

Back

Whole numbers cannot be negative.

Front

Why is -4 not considered a whole number?

Back

-4 is negative, and whole numbers are defined as non-negative.

Front

What is the difference between whole numbers and natural numbers?

Back

Whole numbers include zero, while natural numbers do not.