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Chapter: 9th EM Mathematics : Real Numbers
Real Numbers: Introduction
Mathematics : Real Numbers
REAL NUMBERS
Introduction
Numbers, numbers, everywhere!
o
Do you have a phone at home? How many digits does its dial have?
o
What is the Pin code of your locality? How is it useful?
o
When you park a vehicle, do you get a ‘token’? What is its purpose?
o
Have you handled 24 ‘carat’ gold? How do
you decide its purity?
o
How high is the ‘power’ of your spectacles?
o
How much water does the overhead tank in your house can hold?
o
Does your friend have fever? What is his body temperature?
You have learnt about many types of numbers so far.
Now is the time to extend the ideas further.
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9th EM Mathematics : Real Numbers : Real Numbers: Introduction | Mathematics