Research On The Teaching Mode Of Cultiv Ating Primary School Students' Computational Thinking Based On Visual Programming Tools

In recent years,with the rapid development of information technology,new technologies have emerged continuously,and information technology education has also ushered in many changes and challenges.In addition to guiding students to master the necessary knowledge and skills,now we also need to pay attention to the cultivation of students' thinking.Under the circumstance,computational thinking has received more attention and has become one of the four core literacy of high school information technology disciplines.But the cultivation of thinking is more like a long-term process rather than an immediate short-term process.So it is necessary to start training students'thinking ability as soon as possible.The purpose of this study is to promote the cultivation of computational thinking,and to explore the effective teaching mode for primary school students in specific teaching,so as to improve their computational thinking ability in practice.The thesis firstly combs the related literature on the research status of computational thinking and visual programming tools.Based on this,the classroom teaching status of elementary school information technology courses and the cognitive characteristics of students were analyzed.The five core elements of computational thinking(decomposition,ion,algorithmic thinking,evaluation,generalization)was effectively integrated with the daily practical teaching process of information technology education,and a computational thinking training mode based on problem solving was constructed.Subsequently,two teaching classes in the sixth grade of elementary school were selected as experimental objects,and two different visual programming tools(Scratch and Labplus)were used to carry out teaching practice based on this mode.Before the research,the selected students of two classes were pre-tested,and then the teaching practice was carried out with quasi-experimental research.After the practice,the students were post-tested.Combined with qualitative data such as the interview content and the learning task list,the teaching effect and feasibility of the computational thinking training mode based on problem solving were analyzed.The results of the study show that after the teaching practice of problem-solving teaching mode based on computational thinking,the overall computational thinking level of both teaching classes has been significantly improved.The specific performance is as follows:Students in class S who used Scratch as a programming tool improved significantly in the dimensions of algorithmic thinking and creativity,while students in class L who used Labplus as a programming tool improved rapidly in the dimensions of creativity and problem solving.The problem-solving teaching mode cultivated by computational thinking has achieved the expected results in teaching practice,and it is feasible to apply it to the information technology curriculum in primary schools.