Number Systems Vocabulary

Front

What are whole numbers?

Back

Whole numbers are the set of numbers that include 0, 1, 2, 3, and so on, but do not include negative numbers.

Front

What are rational numbers?

Back

Rational numbers are numbers that can be expressed as the quotient or 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 have non-repeating, non-terminating decimal expansions.

Front

What are natural numbers?

Back

Natural numbers are the set of positive counting numbers starting from 1, such as 1, 2, 3, and so on.

Front

What are negative numbers?

Back

Negative numbers are numbers that are less than zero and are found to the left of zero on a number line.

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

Can you give an example of a rational number?

Back

An example of a rational number is 1/2, which can be expressed as a fraction.

Front

Can you give an example of an irrational number?

Back

An example of an irrational number is √2, which cannot be expressed as a fraction.

Front

What is the set of real numbers?

Back

Real numbers include all rational and irrational numbers, encompassing all numbers on the number line.

Front

What is the significance of zero in number systems?

Back

Zero is a whole number that represents the absence of quantity and serves as a neutral element in addition.