The purposes of this research were as follows: 1) to develop the online learning lessons on efficient use of the internet with MIAP learning process for grade 6 students, 2) to evaluate the content’s quality of the developed online learning lessons, and 3) to evaluate the quality of the techniques and methodology of the developed online learning lessons. The target group used in this research were 5 experts in the content, and 5 experts in the techniques and methodology selected by purposive sampling technique. The instruments used in this research were the content assessment forms and the techniques and methodology assessment forms. The data were analyzed by mean and standard deviation.

            The research results revealed as follows: 1) the online learning lessons on efficient use of the internet for grade 6 students consisted of 3 units, 2) the developed online learning lessons had the quality of the content at the highest level ( = 4.80, S.D. = 0.12), and 3) the developed online learning lessons had the quality of the techniques and methodology at the highest level ( = 4.66, S.D. = 0.24). The evaluation results showed that all of the experts accepted the developed online learning lessons. It could be concluded that the online learning lessons could be used properly for grade 6 students.