Natural numbers are defined and explained in this video tutorial. Examples are included.

See how the different categories of numbers all relate to one another by watching this tutorial. [6:05]

In this video tutorial, Professor Perez uses a real number line to demonstrate integers, natural numbers, rational and irrational numbers, and whole numbers. [8:17]

Numbers can be categorized more specifically into different number systems, for instances, natural numbers, whole numbers, integers, rational numbers, and irrational numbers. In this video, you will learn how to classify numbers into...

Part 1 of a pair. Agustin teaches us about some weird properties of infinity, using an example due to mathematician David Hilbert called 'Hilbert's Hotel'. He shows us a result proved by another mathematician, Georg Cantor: that many...

This lesson goes over whole numbers, or natural numbers that are not fractions/decimals. It is 2 of 10 in the series titled "Whole Numbers."

This lesson goes over whole numbers, or natural numbers that are not fractions/decimals. It is 4 of 10 in the series titled "Whole Numbers."