Tactile TLM - Tactile Diagram of a Factor Tree (Algebraic Expressions)

A video tutorial on 'How to prepare a Tactile Teaching Learning Material (TLM) or Tactile Diagram of a Mathematical Concept called 'Factor Tree'. 

Class/Grade: VII 

Subject: Mathematics 

Topic: Algebraic Expressions 

Educational Setup: Special School and Inclusive School 

Focus Group: Children with Visual Impairment