In online teaching and learning systems it is important to utilise the time and resources effectively, as well as the students? attainments also need to be evaluated transparently. Here two major problems arise for the teacher while delivering online due to COVID 19; Students lose the Low Order Thinking Skills (LOTS) in the prerequisites. In the other hand, assessing formative assessments with fair scale. Because assessment methods are not transparent as students are not aware how they are going to be assessed. This study focused to suggest and examine effective solutions for assisting students to recall the concepts in the prerequisites with transparent analytic scoring rubrics assessment technique and make the online teaching more effective. Pre-lecture resources with a presentation task as an achievement motivation were suggested as a solution for this problem. It was implemented to a class of 30 students who are in the 2nd year, following engineering degree in Sri Lanka. The results were attained from the students? and teachers? feedbacks, as well as from the students? achievements from the scoring rubrics. Hence, it was observed that the students were highly motivated and teacher spent lesser time in delivering online sessions.