On March 15, 2024, American Intercon School, Head Office organized a 1st grade math teaching demonstration, led by Rumpoeung Eang. The purpose of this teaching demonstration is to share knowledge about teaching methods to teachers as well as the new techniques and experiences for teaching and providing knowledge to students and develop their capacity.  This teaching demonstration is also an experience for teachers to strengthen their teaching and fulfill their shortcomings, and to share educational work to teachers in order to teach and provide knowledge to their students for better their study.