Classifying Numbers

Front

What is a natural number?

Back

A natural number is a positive integer starting from 1 and going upwards (1, 2, 3, ...).

Front

What is a whole number?

Back

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

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero (..., -3, -2, -1, 0, 1, 2, 3, ...).

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 (e.g., 1/2, -3, 4.5).

Front

Is -4 a natural number?

Back

No, -4 is not a natural number because natural numbers are positive.

Front

Is 0 a whole number?

Back

Yes, 0 is a whole number.

Front

Is 5.2 an integer?

Back

No, 5.2 is not an integer because it is not a whole number.

Front

Classify the number 1/4.

Back

1/4 is a rational number.

Front

Classify the number -23.

Back

-23 is an integer.

Front

Is -3.5 an integer?

Back

No, -3.5 is not an integer.