培养学生口算能力要注意的问题

• 作 者: 朱丽红 杨杏元
• 机 构: 瑞金市教研室,瑞金市解放小学
• 出 处: 江西教育
• 发表日期: 2004年期
• 关键词: 算理 五年级 心理学家研究 个别指导 思维惯性 意识领域 刺激物 数字的 题量 无差错

首先，口算教学要紧扣算理。口算教学，要紧扣算理，是因为理说透，学生才能运用自如，方法到位，才能事半功倍。例如第三册教材“口算整百、整千数加减法”中教学“９０００－４０００”，教师应着重引导学生说出怎样想的（９个千减４个千得５千），并在练习中结合训练题...

First of all, oral arithmetic should be closely linked to arithmetic. Mouth arithmetic, should be closely linked to arithmetic, because the reasoning, students can use freely, the method in place, in order to do more with less. For example, the third volume of teaching materials, “Mouth count one hundred, the total number of additions and subtractions,” teaching “9000-4000”, teachers should focus on guiding students to say what they think (nine minus four thousand five thousand) Exercise combined with training questions ...