算学儿童于寻常生活中、得学习计数之机、触处皆是、故儿童宅之幼生、年届三龄、即能自计二三之数、予所试行之教授法、先以兑换钱币、习一至十简单之数、继以用于长度练习之十棒、课较复杂之数目、棒之最短者为一代息米突、最长者为一米突、其中各棒分为数段、每段长一代息米 Children learn to learn in ordinary life, have to learn the counting machine, touch everywhere, so young children’s homes, the age of the third age, that is, since the number of two or three, to the pilot of the law, the first to exchange coins, Xi Yi to ten simple number, followed by 10 for the length of practice, the number of more complex courses, the shortest for a message Mi Kou, the longest one meter protrusion, which is divided into several bars, each section A generation of rice