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Montessori material Subject:sensorial Name : deconomial squares The Square of the Decanomial is one such material. Beautiful and orderly, this material makes concrete the relationships of multiplied squares for as many as ten variables. Yes, you read that right: children in Montessori early childhood classrooms are exploring the relationships of equations as complicated as (a+b+c+d+e+f+g+h+i+j)..!!
http://ADVAITAACADEMY.ORG/montessori-material-subject-s/b68
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