Decimals

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Decimals - PowerPoint PPT Presentation

Decimals. What good is maths?. Decimals:. In our number system we use a dot called a decimal point to separate whole numbers from fractions. The digit 2= 2/10. The digit 7= 7/100. The digit 9= 9/1000 Thus 5∙279 = 5 2/10+7/100+9/1000 =200/1000+70/1000+9/1000

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PowerPoint Slideshow about 'Decimals' - maisie

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Presentation Transcript

Decimals

What good is maths?

Decimals:

In our number system we use a dot called a decimal point to separate whole numbers from fractions.

The digit 2= 2/10. The digit 7= 7/100. The digit 9= 9/1000

Thus 5∙279 = 5 2/10+7/100+9/1000

=200/1000+70/1000+9/1000

= 5 279/1000