Design And Application Of Scaffolding Instruction Based On UbD In Blended Learning Environment

With the advent of education era 4.0 and the continuous promotion of China’s new curriculum reform,the "education informatization 2.0 action plan" and the national education informatization teleconference all emphasize the important role of the innovation of educational ideas in education reform.The focus of education has gradually shifted to promoting students’ all-round development and truly studentcentered.At the same time,the hybrid learning environment supported by information technology breaks the inherent barriers of traditional teaching with its unique characteristics and advantages,and has become the focus of attention in the field of education.For a long time,Chinese experts,scholars and front-line teachers have carried out a large number of innovative ideas and attempts to integrate information technology in the process of basic education,truly student-centered and paying attention to the cultivation of students’ core literacy.However,in the process of continuous thinking,there are some phenomena that students’ learning objectives are not clear,their understanding is not in place and their classroom experience is lack.The reason is that there are some deficiencies in the design of teaching activities.Therefore,this study introduces the more purposeful and detailed UBD concept of "beginning with the end","understanding first" and "learning from the target",absorbs the hierarchical and clear expected objectives in the UBD concept-determine the evaluation evidence-arrange the three-stage design of learning experience,and integrate the scaffolding teaching mode.On the one hand,it enhances students’ classroom experience,on the other hand,Effectively avoid the phenomenon of focusing on activities while ignoring objectives and content while ignoring experience in teaching activities.On this basis,with the active help of the mixed learning environment supported by information technology,this paper constructs a scaffolding teaching activity model based on the concept of UBD in the mixed learning environment,in order to design students’ teaching activities with clear learning objectives,profound understanding and rich experience according to this model,so as to ensure students’ learning effect.This study adopts the research idea of theoretical research-Design and construction-practice optimization-summary and review,and uses the methods of literature research,action research and questionnaire to study the scaffolding teaching activities based on the concept of UBD in the mixed learning environment.Firstly,combined with relevant literature at home and abroad,explore the connotation and characteristics of hybrid learning environment,UBD concept and scaffolding teaching mode,sort out the integration opportunity of concept and mode,and design the basic idea planning.On this basis,construct the scaffolding teaching activity model guided by UBD concept in hybrid learning environment.Finally,three rounds of practical application are carried out in the primary school Chinese classroom according to this model,and the activity reflection is carried out according to each round of questionnaire survey and classroom observation.Based on this,the activity process is revised,and the feasibility and effectiveness of the activity process design of this study are determined through the data feedback generated by students in the learning process and learning results.Through the research,it is found that the scaffolding teaching activities based on the concept of UBD in the mixed learning environment help students clarify their goals,deepen their understanding and concretize their practice to a certain extent,and have a certain effect on Teachers’ arranging effective teaching activities and promoting students’ understanding transfer.