Classifying Numbers in the Real Number System

Front

What are natural numbers also called?

Back

Counting numbers.

Front

Is -9 an example of an integer?

Back

Yes, -9 is an integer.

Front

What types of numbers do rational numbers include?

Back

Fractions, decimals that end, and decimals that repeat.

Front

What classifications of numbers apply to -18/6?

Back

Rational, Integer.

Front

Can a number be both rational and irrational?

Back

No, a number cannot be both rational and irrational.

Front

What are whole numbers?

Back

Whole numbers are non-negative integers (0, 1, 2, 3, ...).

Front

What is the definition of an integer?

Back

Integers are whole numbers that can be positive, negative, or zero.

Front

Give an example of a rational number.

Back

1/2 is an example of a rational number.

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as a fraction, while irrational numbers cannot.

Front

Are all whole numbers also integers?

Back

Yes, all whole numbers are integers.