# Natural Numbers, Whole Numbers and Integers (Mathematics Lesson)

# What Is a Natural Number?

A natural number is a counting number:# What Is A Whole Number?

A whole number is a number without fractions:# What Is an Integer?

An integer is a whole number, and may be positive, negative, or zero:# The Difference Between Natural Numbers, Whole Numbers and Integers

Clearly there is a lot of overlap between these three sets of numbers.If you start with the natural numbers...

...then add 0 to get the whole numbers...

Finally, take the negatives of all the natural numbers, and place them in reverse order, to the left of 0 to get the integers...

##### Quick Test

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