【听课随笔】数数
2024-04-12 本文已影响0人
A_thinker
教学过程
1.数源于数,数着数着就有了数。
2.利用自己喜欢的方式数第二大组人数。
3.16人→16根小棒,整理让人一下看出数量
4.数:16→20→29、30→40。
5.左数右看,然后交换。40→60
6.十根十根地数,更快、方便。
……
![](https://img.haomeiwen.com/i14966786/ae64ef56a153a7bf.jpg)
![](https://img.haomeiwen.com/i14966786/881af17d370ba3bf.jpg)
![](https://img.haomeiwen.com/i14966786/ebb978b89dc7f472.jpg)
![](https://img.haomeiwen.com/i14966786/8e9149712e62fb20.jpg)
![](https://img.haomeiwen.com/i14966786/9e67fe49af94562f.jpg)
![](https://img.haomeiwen.com/i14966786/c021d7d8b81f602e.jpg)
![](https://img.haomeiwen.com/i14966786/912ac11e79442248.jpg)
![](https://img.haomeiwen.com/i14966786/8ef53a6f87ab09d6.jpg)
![](https://img.haomeiwen.com/i14966786/45e9d4843626bc6c.jpg)
![](https://img.haomeiwen.com/i14966786/f7e66a8c3eb6ddd1.jpg)
![](https://img.haomeiwen.com/i14966786/cb45373c5573386b.jpg)
![](https://img.haomeiwen.com/i14966786/dfaa52c0553f5459.jpg)
![](https://img.haomeiwen.com/i14966786/aff5b78bec9c9aab.jpg)
![](https://img.haomeiwen.com/i14966786/7645a089d9e15f12.jpg)
听课记录
![](https://img.haomeiwen.com/i14966786/f70d885fb8bbd08b.jpg)
教学过程
1.数源于数,数着数着就有了数。
2.利用自己喜欢的方式数第二大组人数。
3.16人→16根小棒,整理让人一下看出数量
4.数:16→20→29、30→40。
5.左数右看,然后交换。40→60
6.十根十根地数,更快、方便。
……
听课记录