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. Examples include 1/2, -3, and 0.75.

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. Examples include √2 and π.

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. Examples include 0, 1, 2, and 3.

Front

Classify the number -4.5.

Back

-4.5 is a Rational Number because it can be expressed as -9/2.

Front

Classify the number √3.

Back

√3 is an Irrational Number because it cannot be expressed as a fraction.

Front

Classify the number 0.

Back

0 is a Whole Number and also an Integer.

Front

Classify the number 7.

Back

7 is a Whole Number, an Integer, and a Rational Number.

Front

Classify the number -2.

Back

-2 is an Integer and a Rational Number.

Front

Classify the number 1/3.

Back

1/3 is a Rational Number.