Classifying Real Numbers

Front

What is a Rational Number?

Back

A rational number is any number that can be expressed as a fraction, where both the numerator and the denominator are integers, and 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. It has a non-repeating, non-terminating decimal expansion.

Front

What is an Integer?

Back

An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.

Front

What is a Whole Number?

Back

A whole number is a non-negative integer, which includes zero and all positive integers (0, 1, 2, 3, ...).

Front

What is a Natural Number?

Back

A natural number is a positive integer used for counting (1, 2, 3, ...). Natural numbers do not include zero.

Front

Classify the number 5: Whole, Integer, Rational, or Irrational?

Back

5 is a Whole Number, Integer, and Rational Number.

Front

Classify the number -2: Whole, Integer, Rational, or Irrational?

Back

-2 is an Integer and a Rational Number.

Front

Classify the number 0: Whole, Rational, Natural, or Integer?

Back

0 is a Whole Number, Integer, and Rational Number.

Front

Is the statement 'All whole numbers are rational numbers' true or false?

Back

True. All whole numbers can be expressed as fractions (e.g., 3 = 3/1).

Front

Classify the number pi (π): Rational or Irrational?

Back

Pi (π) is an Irrational Number.