目前,中小学教学用多媒体装备已经基本完成了从多媒体投影机到交互式电子白板或触控一体机的换代升级,这一步换代升级,并非表面视觉上显示亮度和清晰度等提高和物理硬件提升,而是基于数字平台的教学方式变革的需要,数字时代的教学,不仅仅是利用信息设备投放学习材料给学习者,更重要的是学生会利用信息设备开展自我导向的学习和合作学习。从中小学的课堂调研和对中小学教师的调查中显示,交互式教 At present, the primary and secondary teaching multimedia equipment has been basically completed from the multimedia projector to the interactive whiteboard or touch one machine upgrade, this step by step upgrade, not the surface brightness and clarity of the visual display to improve and physical hardware upgrade But based on the needs of digital platform teaching methods. In the digital age, not only information devices are used to deliver learning materials to learners, but more importantly, students use information devices to conduct self-directed learning and cooperative learning. From primary and secondary school classroom research and primary and secondary school teachers survey showed that interactive teaching