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 		 Exploring whole numbers ( Number Operations & Number Theory )
Term    : 1 
Module : 1 - Capturing Data 
Unit 1    : Numbers Made Easy - Approximations & Estimations                                                                                   Rounding Whole Numbers   		 
Estimation Estimation is used as a guide to determine the closeness of a result to the actual answer

Estimation involves simplifying numbers so that computation is much easier . (For example, it is much easier to add or multiply by 600 as compared to 589 ).

There are several methods for simplifying numbers as seen in the examples below :

  

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