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# How could we reshape the unit of algebraic terms and expressions using concrete manipulative materials (modified algebra tiles) in order to be taught to the visually handicapped students?
 
# How could we reshape the unit of algebraic terms and expressions using concrete manipulative materials (modified algebra tiles) in order to be taught to the visually handicapped students?
   
# What is the effectiveness of the concrete manipulative materials (modified algebra tiles) in enhancing the achievement level of the visually handicapped students concerning the unit of algebraic terms and expressions?
 
# What is the effectiveness of the concrete manipulative materials (modified algebra tiles) in enhancing the achievement level of the visually handicapped students concerning the unit of algebraic terms and expressions?
  
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