把计算的小技巧教给学生祁门县阊江小学曾庆安小学生学习了小数和分数以后，计算的难度就逐渐加大。有相当一部分儿童从这时起便对计算产生了厌倦心理，学习兴趣和学习成绩也就随之下降。如何帮助儿童顺利地渡过这一“关”呢？单纯靠增加训练量（尽管是由浅入深、由简到繁... Teaching the Computational Skills to Students Qimen County Qijiang Primary School After Zeng Qing’an primary school students learned the decimals and scores, the difficulty of calculation gradually increased. A considerable number of children have become bored with the calculations since then, and interest in learning and academic performance have decreased. How can we help children to get through this “off” smoothly? Simply by increasing the amount of training (although it is from shallow to deep, from simple to complex...