Front

What is a real number?

Back

A real number is any number that can be found on the number line, including both rational and irrational numbers.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction or ratio 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

Classify the number: 2.5

Back

Real, Rational.

Front

Classify the number: -17

Back

Real, Rational, Integer.

Front

Classify the number: 1/2

Back

Real, Rational.

Front

Classify the number: √25

Back

Real, Rational, Integer, Whole.

Front

Classify the number: ⅚

Back

Real, Rational.

Front

Classify the number: √10

Back

Real, Irrational.

Front

What is a whole number?

Back

Whole numbers are non-negative integers, including zero (0, 1, 2, 3, ...).