What are Whole Numbers? - Definition & Examples Video

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  • 0:01 Numbers
  • 0:49 What Are Whole Numbers?
  • 2:17 Examples
  • 2:45 Lesson Summary
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Lesson Transcript
Instructor: Tara Quinn
In this lesson, we will learn about whole numbers , including what they are and what distinguishes them from other types of numbers. We'll also take a look at a few things about whole numbers that sometimes trip students up.


There are a lot of numbers in the world! Think about it. How many numbers are there really? Are there as many numbers as stars in the sky? Are there as many numbers as grains of sand on all the beaches in the world? No. There are actually more numbers than all of these things!

So exactly how many numbers are there in the world? There's an infinite amount of numbers; that means they go on and on and on and never end. Wow! That's a lot of numbers!

To help themselves keep track of and understand the similarities and differences between numbers, mathematicians have developed a grouping system that categorizes and describes the type of numbers that are out there. In this lesson, we will focus on whole numbers.

What Are Whole Numbers?

Whole numbers are a special category or group of numbers that:

  • Consist of the numbers: {0, 1, 2, 3, 4, 5, 6, 7, 8...}
  • Are all positive numbers, including zero, which do not include any fractional or decimal parts

Whole numbers do not have any fractional parts or any decimal parts. A few things to note here:

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