A study of Construction of arithmetic lessons to encourage creativity in a fukushiki-jugyou(combined class of two grades)

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Simplification and rationalization of teaching materials is essential for successful arithmetic lessons in a fukushiki-jugyou(combined class of two grades). The simplification of materials is a primary factor to encourage creativity and mathematics activity. In the stage of comprehension, operations of materials used in previous lessons induce mathematical activities. The decision of "Watari" and "Zurashi" by teachers is effective in the CALMA framework. The arithmetic proficiency of teachers is important for a fukushiki-jugyou(combined class of two grades). These results are confirmed by a transformed attitude of teachers and school children through succesive practical lessons at cooperating schools.