Rearch On Teaching Strategies Of Multiplication And Division Of Fractionsin Sixth Grade

For sixth grade mathematics,the application problems of multiplication and division of fractions are one of the most difficult points in the teaching of application problems in elementary schools.Through consulting literature and practical teaching,the author found that the topic of solving applied problems for primary school students has not only been paid attention to by experts and scholars from all over the world,but also has been plagued by frontline teachers.This article focuses on the topic of solving applied problems,with the sixth grade multiplication and division applied problems as the main content for research.In order to propose effective teaching strategies,the author carried out related investigations and researches on the sixth grade students.Since the fraction application questions are concentrated in the sixth grade,the sixth grade students and teachers are the research objects.The author uses observation method,questionnaire survey method,and interview method to investigate the teaching troubles and corresponding strategies of the existing score application problems.The author discussed with a number of first-line teachers and compiled the sixth grade test papers to test the three classes.After the test,some students who are good at problem-solving and difficult to solve problems were selected for interviews,and the students’ solutions were analyzed based on the test results and interview results.The problems existing in the problem and the students’ thinking and troubles in solving the problems,find out which problems are caused by the lack of understanding or the teacher’s lack of classroom teaching,and use these as the true basis for the author to propose the teaching optimization strategy.From the research results,it can be seen that the reasons why students make mistakes when solving the application problems of fraction multiplication and division are(1)Use the vague impression of the knowledge they have learned to answer the questions at will,and do not find the basis for solving the problems,so there are various ambiguous answers.Caused quantitative relationship recognition errors(2)Students cannot grasp the connotation of quantity and score rate,and cannot correctly judge the amount and rate(3)Students have weak ability to solve calculation problems,and calculation errors(4)Some students’ thinking,how to solve score application problems The selection method is relatively single and inflexible,and the selection method is not appropriate so that it cannot be answered correctlyFor the above reasons,I put forward the following teaching suggestions: strengthen the teaching of basic concepts,pay attention to basic knowledge and lay a good foundation for problem solving;optimize the problem-solving process,analyze the quantitative relationship,provide a variety of problem-solving strategies,and compare teaching when reviewing questions.,Classify;infiltrate mathematics thinking,improve the core literacy of students.Finally,take the sample questions in the book as an example for teaching design for the sixth grade teacher’s reference.