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随着数学课程改革的不断深入,过去公开课、示范课中很少涉足的计算课教学,现在正被一些学校或教师列为课堂教学研究的对象。自从课改后,学生的计算能力显著下降已是不争的事实,但计算能力是学生学好数学的前提和保障,是培养学生学习兴趣和信心的基础,这也进一步推动教师研究计算教学,创设更加高效、适用的课堂。经研究,计算课中,有很大一部分内容在知识结构、算理算法上都有相通的地方。
With the continuous deepening of mathematics curriculum reform, in the past open class, demonstration class rarely involved in computing class teaching, is now being a number of schools or teachers as classroom teaching and research object. It is an indisputable fact that students’ computational abilities have dropped significantly since the curriculum reform. However, computational ability is the prerequisite and guarantee for students to learn mathematics well. It is also the basis for cultivating students’ interest and confidence in learning. This further promotes teachers’ research in computational teaching and the creation of more Efficient, applicable classroom. After studying and calculating lessons, a large part of the content has a common place in knowledge structure and arithmetic algorithms.