当前,随着新课程改革的不断深入,教学有效性成为了广大小学数学教师深入分析和研究的重要课题。如何在有效的时间内提高教学效率,成为了广大教师的共识,小学数学教师应当着眼于教学设计、教学方式手段,以及拓展活动等多个方面与环节,进行有效的优化与改进,使小学数学教学工作更加贴近学生身心发展,更加适应教学目标体系的要求,有效提升教学有效性。笔者长期从事小学数学教学工作,针对教学研究教学有效性方面开展了深入的研究,本文将做简要分析。一、充分开展备课设计,提高数学课堂教学针对性 At present, with the deepening of the reform of the new curriculum, the effectiveness of teaching has become an important topic for the in-depth analysis and study of the majority of primary school mathematics teachers. How to improve teaching efficiency in an effective time has become the consensus of the majority of teachers. Primary school mathematics teachers should focus on the aspects of instructional design, teaching methods, as well as expansion activities and other aspects and aspects, to effectively optimize and improve the primary school mathematics Teaching work closer to the physical and mental development of students, to adapt more to the teaching objectives and system requirements, effectively improve teaching effectiveness. The author has long been engaged in primary school mathematics teaching, teaching for the effectiveness of teaching conducted an in-depth study, this article will do a brief analysis. First, fully prepare lesson planning, improve teaching targeted mathematics