Calculation skills are one of the skills that need to be trained for students in the process of teaching Mathematics. This article presents some issues about calculation skills, identifies the manifestations of calculation skills, and then proposes some measures to train calculation skills for first grade students through teaching number content and calculation.Calculation skills are one of the skills that need to be trained for students in the process of teaching Mathematics. This article presents some issues about calculation skills, identifies the manifestations of calculation skills, and then proposes some measures to train calculation skills for first grade students through teaching number content and calculation.