小学数学“运算律”教学研究

Research on the Teaching of "Operation and Calculation Law"in Primary School MathematicsAbstract The operation law of addition and multiplication not only affects students'further studyof "number and algebra",but also affects students'understanding of mathematical rational spiritand comprehension of basic mathematical thoughts.In Suqian sprimary school,forexample,through interviews,questionnaire methods such as found in the teaching of "operationlaws"the teachers failed to permeate teaching step by step teaching,to promote the discovery ofstudent mathematics thought,teachers did not leave enough time for students to "discover"operation laws students confuse operation laws and other related questions,the main reason isthat the teacher did not know the substance of "operation laws"and teaching value,the teacherswill not "operation laws"teaching and students failed to take the initiative to contact otherknowledge for the construction of "operation laws"learning,so,teachers will enhance teachingvalue of "operational law",permeate the teaching "operational law"layer by layer,guide studentsto "rediscover"operational law and highlight the essence of operational law through comparison toimprove the teaching effect of "operational law".Key words Primary School Operational Law Teaching Strategy1