The study aimed to show effectiveness of teaching Social and National Education subject using the flipped class strategy in improving Academic Achievement Among the fifth primary grade students in both Taibeh and Westieh Brigades in Irbid Governorate, through comparing it to the ordinary method in teaching. The study sample consisted of (50) male students of the fifth primary grade in Kufr Asad Primary School distributed into two sections who were chosen by the intentionally method. The random assigning was used to distribute the study individuals into two groups; the experimental group which consisted of (25) students taught using the flipped class, and the control group which consisted of (25) students taught by the ordinary method. To achieve the study objectives, the researcher prepared three videos for the lessons of the unit of Economic resources in The Hashemite Kingdom of Jordan of the Social and National Education subject for the fifth primary grade based on the flipped class strategy, in addition to an academic achievement test was also prepared. The study results revealed that there were statistically significant differences at the level of (=0.05) between means of the experimental and control groups students’ degrees in the achievement post-test due to the variable of teaching strategy (flipped class) and for experimental group students. The study concluded a set of recommendations, the most important of which are: hold training courses for teachers and supervisors about employing the flipped class strategy in teaching and employment of modern techniques and social media in the educational process.