数学．粤语 两次退位减法 梁鸿 初小 数学 更多 online-teaching;number-blocks;Visualization;Free-educational-software;Interactive-learning;Number;NUMBER-PIECES;Place-value;Numbers-of-three-digits;Immediate-feedback;Addition-and-subtraction;Abdicated-subtraction;
常识．粤语 我喜爱职业: 引发自主学习的动机 郭文钊老师 高小 常识 更多 Class-Activities;Flipgrid;Interactivity;Learning-during-Class;Learning-Motivation;online-teaching;online-teaching-pedagogy;pedagogy;Preparation-before-class;Prepare-Class;self-introduction;Student-Recording;self-initiated-learning;video-sharing;mutual-learning;
