Blended teaching is an effective means to achieve the development goal of educational informatization and promoting deep integration of information technology with education and enhance students' digital literacy. From the perspective of digital literacy, this article constructs the framework and procedure of the blended learning model of practical courses at colleges and universities. It proposes a hierarchical learning model based on digital literacy. Then taking the course of Modern Educational Technology as an example, it carried out a small-scale teaching practice, application and research. The results show that the model can effectively promote students' skills training and improve their digital literacy, and effectively improve the teaching effect of the course.%混合学习是实现教育信息化发展目标,促进信息技术与教育深度融合,提升学生数字素养的有效手段.文章从数字素养的视角出发,构建了基于混合学习的高校实践类课程混合学习框架及流程,提出了基于数字素养模型的层级学习模式,并以"现代教育技术"课程为例进行了小规模的教学实践应用和调研.结果显示,该模式能有效促进学生技能的培养和数字素养的提升,提高课程的教学效果.
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