Developing teacher practice is very important for the students achievements .Developing of teacher practices falls under the auspices of professional development [7], a broad umbrella that includes ,workshops ,individual reading ,informal dialogue with colleagues , conferences ,qualifications programs [17] ,observation visit , network of teaching [13] , research. The impact extent of these professional development activities vary according to many factors from place to place [ 9] , from this angle we have explored in this paper the impact extent of these professional activities from the point of view of MATH teachers in the Preparatory Year in University of Hail. A questionnaire was employed to measure the construct, 'employee motivation', which consisted of six questions. The scale had a high level of internal consistency, as determined by a Cronbach's alpha of 0.823.