8.2B

Irrational Numbers and approximating their value

REVIEW OF TEKS 8.2B.

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Multiple Select

Let's recall: What makes an irrational number different from a rational number?

• It thinks different than it should

• It's decimal has no end

• It's fraction is complete

• It has a nonrepeating decimal

TEKS Standards

I will locate irrational number approximations on a number line

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​We will locate irrational numbers and approximations on a number line using calculators

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You ​will be able to identify irrational numbers and approximations on a number line through use of calculators

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Irrational Numbers

​Let's remember what irrational numbers are

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​They have no end to decimals

They ​have no repeating decimals neither​

​Let's take the one on the right

​Irrational Numbers

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​Square roots are examples of irrational numbers

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They can be found using the calculator​

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​How do i calculate that

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​Let's Remember

Disclaimer

A Calculator is very helpful in finding the differences.

​Most Radicals and square roots will give you irrational numbers

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Some of them will give you rational numbers​ when simplified though

Which is which

Draw

Where would you place this number

Draw

Where is this square root located, en donde podemos localizar esta raiz cuadrada?

Draw

Where can we find this number on the line