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                           عمومی:: 
                            شورای ملی معلمان ریاضی
                        
                        Educational standards suggest that students should engage in  complex  problems that give rise to comprehensive mathematical understanding (National Council of Teachers of Mathematics 2000).
Thirty eight percent of students were on free or reduced lunch Fifty-three percent were African American or other minority, and 47% were Caucasian For many years,   the system  had  been  proactive  in educating its  teachers  on  reform  mathe matics as advocated  by the  National Council of Teachers of Mathematics   (2000)
;National Council of Teachers of Mathematics
Reslon: National Council of Teachers of Mathematics.
 
                        
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