小学数学课堂的有效教学一直以来是众多小数教师不断奋斗和追求的目标。随着新课改的不断深入,我们越来越觉得课堂教学的有效性已成为一种教育的流行趋势。我通过课堂不断尝试、探究、发现,对教学素材的选取方面做了以下尝试:“新授选材少而精”“练习用材丰而实”“教学组材巧而优”。 The effective teaching of primary school mathematics classroom has always been the goal of many decimal teachers continue to struggle and pursue. With the continuous deepening of the new curriculum reform, we increasingly think that the effectiveness of classroom teaching has become a trend of education. I try constantly through the classroom, explore and discover the teaching materials on the selection of the following attempts: “new material selection less and fine” “practice material abundance and real ” “teaching material clever and excellent ” .