Types of Numbers

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.

 

Question 1 of 2

1. Which of the following is a prime number?

A.
B.
C.
D.

Question 1 of 2

Question 2 of 2

2. Which of the following is NOT a prime number?

A.
B.
C.
D.

Question 2 of 2


 

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.

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