Classifying Real Numbers

Front

What is a whole number?

Back

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

Front

Why is -4 not a whole number?

Back

-4 is not a whole number because it is negative, and whole numbers are defined as non-negative.

Front

What defines a rational number?

Back

Front

Back

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero (e.g., -3, 0, 4).

Front

Is -5.5 an integer? Why or why not?

Back

No, -5.5 is not an integer because integers do not have decimal parts.

Front

What is the difference between whole numbers and integers?

Back

Whole numbers are non-negative integers (0, 1, 2, ...), while integers include both positive and negative whole numbers as well as zero.

Front

Can a rational number be negative?

Back

Yes, rational numbers can be negative, as long as they can be expressed as a fraction.

Front

What is an example of an irrational number?

Back

Front

Which of the following is a whole number: -2, -10, 10, -1?

Back

10 is a whole number.