Rational and Irrational Numbers

In this lesson, we will learn about rational and irrational numbers.

A rational number is any number that can be expressed as a fraction of two integers.
An irrational number cannot be expressed as a fraction for example the square root of any number other than square numbers. a decimal which neither repeats nor terminates.

Related Topics:
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GCSE Math Lessons



What is the difference between rational and irrational numbers?
This tutorial explains the difference between rational and irrational numbers. Rational and irrational numbers form the Real Numbers.



Rational vs. Irrational Numbers
This video explains the difference between rational and irrational numbers and how to identify rational and irrational numbers.





Irrational Numbers
Although the Greeks initially thought all numeric qualtities could be represented by the ratio of two integers, i.e. rational numbers, we now know that not all numbers are rational. How do we know this?
This video explains why the square root of 2 and the square root of 3 are irrational numbers



Rational and Irrational Numbers
A review of the difference between rational and irrational numbers and decimals - including square rootes and fraction approximations of pi.
A decimal is irrational if it never terminates and it has no repeating pattren.





Rational Numbers
Three types of rational numbers: Fractions, Decimals and Percents.



Irrational Numbers





Rational and Irrational Numbers
This video defines & compares rational and irrational numbers and give some examples of rational and irrational numbers.



Rational and Irrational Numbers
Learn identify, order, and graph rational and irrational numbers







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