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===Significance of the Study===
 
===Significance of the Study===
 
The significance of  the study lies in:
 
The significance of  the study lies in:
 +
 
1. The study helps the teachers and the program designers of the visually handicapped pupils to acknowledge the ways concrete manipulatives materiales are used in some activities - that make use of the rest of the senses - to teach and improve some mathematical concepts and skills.
 
1. The study helps the teachers and the program designers of the visually handicapped pupils to acknowledge the ways concrete manipulatives materiales are used in some activities - that make use of the rest of the senses - to teach and improve some mathematical concepts and skills.
  
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