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《小学数学课程标准(2011)版》在实施建议中明确指出:“数学知识的教学,应注重学生对所学知识的理解,体会数学知识间的关联。学生掌握数学知识不能依赖死记硬背,而应以理解为基础。”这段话深刻指出了“理解”在数学学习中的重要性。在课堂教学中学生认知出现错误、练习中出现错误、操作实践中出现错误,就是因为不理解,错误源于不理解。教师要利用错误资源,及时跟进错误,通过找错、辨错、纠错,促进学生的数学理解。
“Elementary Mathematics Curriculum Standard (2011) Edition” in the implementation of the recommendations made it clear: “Teaching of mathematics, students should pay attention to the understanding of knowledge, understanding of the relationship between mathematical knowledge. Students can not rely on mathematical knowledge of rote memorization , But should be based on understanding. ”This passage profoundly points out the importance of “ understanding ”in math learning. Students in classroom teaching cognitive errors, mistakes in practice, mistakes in practice, it is because do not understand, the error stems from not understanding. Teachers should make use of the wrong resources, follow up the mistakes in time, and promote students’ mathematical understanding by finding mistakes, making mistakes and correcting mistakes.