The purpose of this research were to develop a 4MAT methods on web-based instruction using learning objects for secondary school students. The samples were 17 experts. Results of the research were as follows: The developed a 4MAT methods on web-based instruction using learning objects activities should be included the 5 principal components are 1) input: identification of lesson objectives, identification of content, identification of instructors roles, identification of learners roles, and identification of online learning media 2) process: to design learning activities, to implement an instructional process through the online course 3) control: to the lesson management and the homework submission control 4) output: to evaluate 5) feedback: to get feedback of improvements.