Classifying Real Numbers

Front

What are the types of real numbers?

Back

Real numbers include natural numbers, whole numbers, integers, rational numbers, and irrational numbers.

Front

Define natural numbers.

Back

Natural numbers are the set of positive integers starting from 1 (1, 2, 3, ...).

Front

What are whole numbers?

Back

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

Front

What are integers?

Back

Integers are the set of whole numbers and their negative counterparts (..., -3, -2, -1, 0, 1, 2, 3, ...).

Front

Define rational numbers.

Back

Front

What are irrational numbers?

Back

Irrational numbers are numbers that cannot be expressed as a simple fraction; their decimal representation is non-repeating and non-terminating.

Front

Is -4 a whole number? Why or why not?

Back

No, -4 is not a whole number because whole numbers are non-negative.

Front

Identify an example of an irrational number.

Back

Front

Is 2 a natural number?

Back

Yes, 2 is a natural number.

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