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本册教材开头的复习内容,要使儿童巩固加深已学过的算术基本知识和计算技巧,为学习新内容作好准备.复习时可以将知识归类.例如先复习20以内超十的加法试题,接着就复习20以内超十的加法应用题,然后复习20以内超十的减法式题和应用题.复习中要使儿童熟练地掌握20以内超十的加法和减法的口算知识和技巧,加深对2-5乘以几,2-5等分的理解;应用题的复习,要使儿童进一步理解应用题的已知条件和问题的相依关系,能正确地熟练地运算.复习的方式要多样化.可以采取抽问、板演、卡片游戏等,特别要多使用直观教具以帮助儿童理解和掌握知识.
The contents of this book at the beginning of the review, to enable children to consolidate and deepen the learned basic knowledge of arithmetic and computing skills, to prepare for learning new content. Knowledge can be classified when reviewing. For example, review the addition of ultra-ten within 20 questions , And then review the addition of ultra-20 less than 20 application questions, and then review the subtraction of less than 20 subtraction style questions and application questions. Review to make children skilled grasp of the super-10 less than 20 addition and subtraction of oral arithmetic and skills, deepen Multiplication of 2-5, 2-5, etc. The review of the application questions should enable the children to further understand the dependence of the known conditions and problems of the application questions, so that they can operate correctly and skillfully. Can take questions, board play, card games, etc., in particular, to use more visual aids to help children understand and master the knowledge.