Activity on Combining like terms by paper bricks was done in 6 class .Students were made to combine green bricks of length x and orange brick of length y.This activity made them understand that like terms can be added or subtracted as when a green brick of length x is added to another green brick of length x the total length becomes 2x similarly when a green brick of length x is added to orange brick of length y total length becomes x+y.Thus we can simplify an expression by combining the like terms..





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