Classifying Numbers

Front

What is a natural number?

Back

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

Front

Is 0 a natural number?

Back

No, 0 is not considered a natural number.

Front

What is a whole number?

Back

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

Front

What is an integer?

Back

Integers are whole numbers that can be positive, negative, or zero (-3, -2, -1, 0, 1, 2, 3, ...).

Front

What is a rational number?

Back

Front

Is 1.5 a rational number?

Back

Front

What is an irrational number?

Back

Front

Back

Front

What is the difference between whole numbers and integers?

Back

Whole numbers include 0 and positive numbers, while integers include both positive and negative numbers.

Front

Is -5 a whole number?

Back

No, -5 is not a whole number; it is a negative integer.