Real Number System

Front

What is the difference between whole numbers and natural numbers?

Back

Whole numbers include all natural numbers plus zero, while natural numbers start from 1 and do not include zero.

Front

Classify the number -23.

Back

-23 is a Real number, Rational number, and Integer.

Front

What is the smallest subset for π?

Back

The smallest subset for π is Irrational.

Front

Which of the following is NOT a subset of the rational numbers? (Integers, Whole Numbers, Natural Numbers, Irrational Numbers)

Back

Irrational Numbers are NOT a subset of the rational numbers.

Front

Which statement is NOT true? (Every rational number is a real number, Every natural number is a whole number, Every integer is a rational number, Every decimal number is an irrational number)

Back

Every decimal number is NOT necessarily an irrational number.

Front

Define 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 cannot be expressed as a simple fraction; their decimal representation goes on forever without repeating.

Front

Give an example of a Whole Number.

Back

0, 1, 2, 3, ... are examples of whole numbers.

Front

What is the set of Natural Numbers?

Back

Natural numbers are the set of 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.