口算是一种比较简便迅速的计算方法。它是学习笔算的基础,在一、二年级算术教学中占着重要地位。加强口算教学,可以提高儿童的计算能力,帮助儿童获得数理知识和计算规则,同时可以促进儿童逻辑思维、理解力、注意力和记忆力的发展,培养儿童语言表达能力。儿童在小学阶段系统地掌握了口算的知识和技巧,将来他们在生产、学习和日常生活中,遇着有关计算的问题,就能迅速正确地得到结果,提高学习和工作的效率。口算教学必须贯穿到整个教学活动中。口算教材要慎重选 Mouth count is a relatively simple and rapid method of calculation. It is the basis for learning pen and writing, in the first and second grade arithmetic teaching occupies an important position. Strengthening oral arithmetic can improve children's computing ability, help children acquire mathematical knowledge and calculation rules, and promote the development of children's logical thinking, comprehension, attention and memory, and develop children's language skills. In the elementary school, children systematically master the knowledge and skills of mouth counting. In the future, children encounter problems related to calculation in production, study and daily life so that they can get results quickly and correctly and enhance their learning and work efficiency. Mouth arithmetic teaching must permeate the whole teaching activity. Mouth calculation materials should be carefully selected