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Convert fractions to percentages
 

 





   Fractions
 

 


 



Square 
numbers
 
http://www.mathnook.com/math/pyramidmath.html

 



Square
roots
 
                 
                  Factors
 




Multiplying
decimals
 

 










Dividing

decimals
 

 



1/10, 1/100 and

11000
 





Rounding

decimals
 

 


Highest
common
factor