Quick Check: The Real Number System

Front

What are rational numbers?

Back

Rational numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero.

Front

What are whole numbers?

Back

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

Front

What is the classification of the number 0?

Back

0 is classified as a whole number, an integer, and a rational number.

Front

What are irrational numbers?

Back

Irrational numbers are numbers that cannot be expressed as a simple fraction; they are non-repeating and non-terminating decimals.

Front

What is a natural number?

Back

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

Front

Are all integers rational numbers?

Back

Yes, all integers are rational numbers because they can be expressed as a fraction with a denominator of 1.

Front

What is the relationship between whole numbers and integers?

Back

All whole numbers are integers, but not all integers are whole numbers (e.g., negative integers are not whole numbers).

Front

What is a terminating decimal?

Back

A terminating decimal is a decimal that has a finite number of digits after the decimal point.

Front

What is a non-repeating decimal?

Back

A non-repeating decimal is a decimal that does not have a repeating pattern of digits.

Front

Classify the number 3.

Back

3 is classified as a natural number, whole number, integer, and rational number.