Hello, let me introduce myself, my name is Aldila Oktavia Yulia. My daughter is a member of the Cambodian team, SMP Negeri 01 Kandangserang base. The active material for this week, May 17 2024, is to estimate the width of the river and the speed of the current. First, we were all given material and explained, after that each team tried to practice measuring the width of the river. After finishing we were all gathered for the closing ceremony to go home.