“加法和减法”是小学数学运算中最为基础的部分,学生对于这部分知识的掌握程度将会直接影响到学生今后的数学学习,因此,帮学生打下牢固的数学运算基础是非常重要的。本文将结合实例谈谈这部分内容的教学,从不同方面分别探讨“加法和减法”教学中高效率课堂的建立。一、趣味化概念教学“加法和减法”是数学计算的入门,也是数学计算中最为基础的部分,这部分知识的学习是非常重要的。对于刚 “Addition and Subtraction” is the most basic part of elementary mathematics. Students ’mastery of this part of knowledge will directly affect students’ math learning in the future. Therefore, it is very important for students to lay a solid mathematical foundation . This article will combine examples to talk about this part of the content of teaching, from different aspects were discussed “addition and subtraction ” teaching in the establishment of efficient classroom. First, the concept of fun teaching “Addition and subtraction” is the introduction of mathematical calculations, mathematical calculation is the most basic part of this part of the learning of knowledge is very important. For just