According to (Bowman McCormick , 2000 ) cooperative groups presents the teachers with an opportunity to easily assess several outcomes in students such as critical thinking , level as well as communication skills and commitment to learning (Bowman McCormick , 2000 . Cooperative groups are particularly useful in teaching Math which many students have problems because peer assessment is more welcome by students than teacher assessment and is easily acceptable since it reduces chances of teacher bias (Bowman McCormick , 2000 . According to (Bowman McCormick , 2000...











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