Natural numbers are those numbers that you’re using every day. Natural numbers are including values from 1 to infinity.

All the numbers you may count on your fingers and toes are natural numbers.

** Next Lesson: **Prime Numbers and Factoring

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Transcript of the video.

**Natural Numbers.** Examples are: 1, 2, 5, 18, 150, 1,586, 258, 569.

**Whole Numbers**

We refer to whole numbers when we mean natural numbers except that whole numbers also include 0.

**Integers**

Did you see how these number lines all start at 0? Number lines that have integers may have every positive or negative number.

**Rational Numbers**

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Rational numbers are just other terms for fractions. The word “rational” is derived from the word “ratio”. When we refer to a rational number, we talk about a ratio of two integers.

Read about Prime Number and Composite numbers here.