December 8 (Fri.) 3rd Grade Science Class "The Weight of Things" - Through an experiment to determine the weight of iron, rubber, wood, etc., which have the same volume, students were able to grasp that the weight of different types of things is different even if they have the same volume [Manryu Elementary School].

December 11 (Monday) 2nd Grade Arithmetic "Table of 99" - "Let's Make a Table of 99! The activity of "Let's make a multiplication table of 99" led the students to notice that if you connect the numbers written on a circle with straight lines in the order of the first place of the answer to 99, you can make a regular pattern, and they became interested in the rules of 99 [Manryu Elementary School].