Real Number System

Front

What is the Real Number System?

Back

The Real Number System includes all the numbers that can be found on the number line, including rational and irrational numbers.

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 irrational numbers?

Back

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

Front

Give an example of a rational number.

Back

1/2 is an example of a rational number.

Front

Give an example of an irrational number.

Back

The square root of 2 (√2) is an example of an irrational number.

Front

What is a whole number?

Back

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

Front

Are all integers whole numbers?

Back

No, not all integers are whole numbers; negative integers are not whole numbers.

Front

What is a subset in the context of the integer set?

Back

A subset is a set that contains some or all elements of another set. For example, the set of even integers is a subset of the integers.

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.