The purpose of this study was to investigate the views of elementary school teachers about their implementation of assessment techniques recommended in the new mathematics curriculum. The study was conducted with 306 elementary school teachers from 29 public schools in Kirikkale, Malatya and Ankara in the 2006-2007 academic year. &lsquo / Opinions about Assessment Questionnaire&rsquo / was used as the instrument for assessing the opinions of the teachers about assessment techniques offered in new mathematics curriculum. The results showed that, teachers did not have negative views towards the implementation of the new assessment techniques in mathematics lessons. However, they needed support from curriculum experts about more suitable implementation of the assessment process. To assess the effects of teaching experience, class size and grade level they teach on the views of the teachers about their implementation of assessment techniques recommended in new mathematics curriculum, the Univariate Analysis of Variance was used. The results revealed that the opinions of the teachers about their implementation of assessment techniques offered in new mathematics curriculum did not show any significant difference according to the experience of the teachers, class size and grade level teachers teach.