Classifying Numbers

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

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 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

What is a natural number?

Back

Natural numbers are the set of positive integers starting from 1, 2, 3, and so on.

Front

What is a whole number?

Back

Whole numbers are all natural numbers including zero (0, 1, 2, 3, ...).

Front

Classify the number: π

Back

Irrational

Front

Classify the number: .78787878...

Back

Rational

Front

Classify the number: -4

Back

Integer

Front

Classify the number: 1/4

Back

Rational

Front

Classify the number: 8.14

Back

Rational