Classifying Real Numbers

Front

What are natural numbers?

Back

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

Front

What are whole numbers?

Back

Whole numbers are the set of non-negative integers, including 0, 1, 2, 3, and so on.

Front

True or False: All natural numbers are whole numbers.

Back

True

Front

True or False: All whole numbers are natural numbers.

Back

False

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 fraction and have non-repeating, non-terminating decimal expansions.

Front

True or False: Some rational numbers can also be irrational.

Back

False

Front

Give an example of an irrational number.

Back

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 fractions.

Front

What is a terminating decimal?

Back

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