Reading And Writing Real-Life Numbers Worksheet Page 5

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Commas   a re   u sed   i n   n umbers   w ith   4   o r   m ore   d igits   t o   m ake   t hem   e asier   t o   r ead.  
To   p lace   c ommas   i n   l arge   n umbers,   s tart   f rom   t he   r ight   s ide   a nd   m ove   3   s paces   t o  
the   l eft.    
 
Example:  
Look   a t   t he   p lace   v alue   m odels.   W hat   n umber   i s   s hown?  
 
 
 
 
 
 
 
1   t housand    
4   h undreds    
5   t ens    
          3   o nes  
 
 
 
Standard   f orm:   1 ,453  
 
 
It   i s   r ead:   o ne   t housand,   f our   h undred   f ifty-­‐three  
 
 
 
The   w ord   A ND   i s   n ot   u sed   w hen   y ou   r ead   n umbers.  
 
 
The   v alue   o f   t he   d igit   1   i s   1 000.   T he   v alue   o f   t he   4   i s   4 00.   T he   v alue   o f  
the   5   i s   5 0.   T he   v alue   o f   t he   3   i s   3 .    
 
The   e xpanded   f orm   i s:  
 
 
1,000   +   4 00   +   5 0   +   3   =   1 ,453  
 
Example:  
Write   t he   w ord   n ames   f or   t he   f ollowing   n umbers.  
 
 
a. 7    
b.   2 0    
c.   6 5    
d.   1 ,024  
 
a. seven  
b.   t wenty  
c.   s ixty-­‐five   d.   o ne   t housand,   t wenty-­‐four  
 
In   t he   n umber   1 ,024,   a   z ero   i s   u sed   a s   a   p laceholder   i n   t he   s tandard  
form   o f   t he   n umber   t o   s how   n o   h undreds.   H owever,   t he   z ero   i s  
implied,   b ut   n ever   w ritten,   i n   t he   w ord   n ame.    
 
 
 
Module   1 :   R eading   a nd   W riting   R eal-­‐Life   N umbers  
5  

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