数学思维训练(第08期)

网友投稿 2018-07-22 11:32

强调一下:重在思维的训练,尽量不要有太多的功利心。

二年级

第1讲  混合运算

https://cdn.china-scratch.com/timg/180724/1131591G3-0.jpg

这部分内容对于成年人来说,当然是很简答的;但对于二年级的小朋友来说,确实要养成好习惯,熟悉计算法则。

https://cdn.china-scratch.com/timg/180724/11315921U-1.jpghttps://cdn.china-scratch.com/timg/180724/1131592264-2.jpghttps://cdn.china-scratch.com/timg/180724/1131591343-3.jpghttps://cdn.china-scratch.com/timg/180724/1131592264-2.jpg

第2讲 等式的加减法

https://cdn.china-scratch.com/timg/180724/1132002X4-5.jpghttps://cdn.china-scratch.com/timg/180724/1131592264-2.jpg

解方程和方程组的思想,只是没有出现用字母表示未知数而已。

https://cdn.china-scratch.com/timg/180724/113200O46-7.jpghttps://cdn.china-scratch.com/timg/180724/1131592264-2.jpghttps://cdn.china-scratch.com/timg/180724/11320059C-9.jpghttps://cdn.china-scratch.com/timg/180724/1131592264-2.jpg

第3讲 速算与巧算

https://cdn.china-scratch.com/timg/180724/1132004239-11.jpghttps://cdn.china-scratch.com/timg/180724/1131592264-2.jpg

计算为主。

https://cdn.china-scratch.com/timg/180724/1132004W8-13.jpghttps://cdn.china-scratch.com/timg/180724/1131592264-2.jpghttps://cdn.china-scratch.com/timg/180724/113200D64-15.jpg

第4讲 比长短

https://cdn.china-scratch.com/timg/180724/11320032V-16.jpghttps://cdn.china-scratch.com/timg/180724/1131592264-2.jpg

主要以数格子为主。

https://cdn.china-scratch.com/timg/180724/113200J07-18.jpghttps://cdn.china-scratch.com/timg/180724/1131592264-2.jpghttps://cdn.china-scratch.com/timg/180724/1132005C2-20.jpghttps://cdn.china-scratch.com/timg/180724/1131592264-2.jpghttps://cdn.china-scratch.com/timg/180724/113201J46-22.jpghttps://cdn.china-scratch.com/timg/180724/1131592264-2.jpg

第5讲 找规律填数

https://cdn.china-scratch.com/timg/180724/11320131Z-24.jpghttps://cdn.china-scratch.com/timg/180724/1131592264-2.jpghttps://cdn.china-scratch.com/timg/180724/1132011322-26.jpghttps://cdn.china-scratch.com/timg/180724/1131592264-2.jpghttps://cdn.china-scratch.com/timg/180724/1132014C6-28.jpghttps://cdn.china-scratch.com/timg/180724/1131592264-2.jpghttps://cdn.china-scratch.com/timg/180724/113201DK-30.jpghttps://cdn.china-scratch.com/timg/180724/1131592264-2.jpg

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