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Exercise Book·Ten Methods

Exercise Book·Ten Methods

SKU BC0195

Regular price: $2.99

Regular price: $2.99

什么是凑十法？ “凑十法”是计算20以内进位加法的基础和核心，它的过程简言之是：先分，再凑十，最后把零头相加。具体来说，分之前的观察十分重要，首先决定凑哪个数，分哪个数，要凑成十的那个数还缺几，就从另一个数分出几。

本书旨在教会儿童熟练掌握基本的计算技巧，并达到熟能生巧、计算结果准确的程度，帮助小孩轻松应对小学课堂，顺利完成角色转换。

凑十法的认识 1

10的加法练习 2

凑十法图解 9

凑十法计算 43

综合测试 57

扩展练习 69

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