The Status Quo And Cause Analysis Of Pupils' Calculation Errors

The new curriculum standard clearly states that "computing power" mainly refers to the ability to perform operations correctly according to rules and algorithms.It is helpful for students to understand the arithmetic of arithmetic and find a reasonable and concise way to solve problems.At present,people attach great importance to the computational ability of primary school students.The author selects the decimal multiplication and division calculation error to carry on the research,the aim is to understand the current situation of the decimal multiplication and division calculation errors of primary school fifth grade students,and then find out the problem,explores the reasons of the calculation error of decimal multiplication and division,and puts forward the corresponding improvement suggestions.At the same time,through the investigation of this study also hopes to make some contributions to the improvement of the field of decimal calculation.After investigation and study,the author has a certain understanding of the the current situation of decimal multiplication and division calculation errors.1.the error rate of single decimal multiplication is higher than that of decimal division;2.the error rate of compound decimal multiplication and division method is higher than that of single decimal multiplication and division method;3.compared with psychological error,knowledge error rate is higher t;4.decimal error is seriously affected by integer computing power.Based on the present situation,the error of decimal multiplication and division is studied.After research,the author generalizes the reasons of the decimal multiplication and division error into the knowledge error and the non-knowledge error.The knowledge errors include1.poor grasp of decimal knowledge;2.poor knowledge of integer calculation.The non-knowledge errors include 1?bad study habits;2.low proficiency and accuracy;3.weak motivation,resistance and contempt;4.influence of sensation,attention and thinking;5.number sense is not strong;6.migration effects.