Real Number Systems

Front

What are Real Numbers?

Back

Real numbers include all the numbers on the number line, including rational numbers (like integers and fractions) and irrational numbers (like √2 and π).

Front

Define Whole Numbers.

Back

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

Front

What are Natural Numbers?

Back

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

Front

True or False: All Integers are Whole Numbers.

Back

False. Integers include negative numbers, while whole numbers do not.

Front

True or False: All Natural Numbers are Whole Numbers.

Back

True. Natural numbers are a subset of whole numbers.

Front

Which of these is a Natural Number: 5, 0, -5?

Back

5 is a Natural Number.

Front

What is a Rational Number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

Back

Front

True or False: All Integers are Rational.

Back

True. Every integer can be expressed as a fraction with a denominator of 1.

Front

What is the difference between Rational and Irrational Numbers?

Back

Rational numbers can be expressed as fractions, while irrational numbers cannot be expressed as simple fractions (e.g., √2, π).