On January 30, 2023, the Department of Mathematics organized a project to develop the competency of mathematics learning management through organizing mathematical activities at Wat Pracha Sattha Tham School (Wat Sao Hin), supervised by the project. Chor-uaenเ Uthitasan and Dr.Suranon Yensiri, who in organizing this activity, organized a "fun thinking mathematics" activity for grades 4-6 students,