最近十幾年來,做什麼事都習慣照張相,日後回憶比較方便,而且在社交媒體上可以分享經驗給家人朋友。
再過一個星期我就不在學校教書了。突然我想到,等等,我好像沒有一張教書的照片。
於是,我讓學生幫我拍了張。
拍出來後給我媽看,她的第一句話:
- 看起來不胖。
這還不錯,但第二句:
- 你這數學教的太簡單了。
其實這一行數學雖然簡單,但十分重要。
在我十一二歲時,第一次接觸到代數X,我的數學分數退步很多,因為沒有完全懂。
一直到十三歲碰到一個老師,教我怎麼Balance Equations (平衡方程式),之後考試就一直拿到滿分。
Balance Equations就是不管怎麼運算,在等號的左右邊都要做同樣的操作,這樣左右邊的數值才會相等。這就是為什麼我在等號的左右邊都寫上了-3, 而不是只在右邊-3。
接下來就可以把左邊的+3 與 -3劃掉,因為+3與-3會變成0。剩下來就知道X是什麼。
普通人看到X+3=7,認為X是4很簡單,但我是用簡單的問題來教一個新的想法。
從另一個角度照相。
多謝各位CN區朋友多年來的支持。我教書二十年中,將近一半時間有CN區陪伴:) 時間過得好快!!
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Hey brother, it's really good that you capture your moments to recall them in future. You know same goes with me that I always take pictures and post them somewhere so that I can easily check them in nearby or distant future.
Thanks to your student who took your picture while you were teaching. By the way, we have another common thing. That I also show my photos to my mom. 🫂 🤗 brother!
haha thanks for the comment. That's funny we both show our photos to mum :)
赞赞赞!尽显优秀教师风范!💐💐💐
@tipu curate 2
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謝謝anne
啊?不教啦?这学校的损失了😔
本来我这么看也是觉得简单。敬你解释,知道这“简单”的重要性了。谢谢魔术老师解说。
謝謝拉叔.. 但是.. 我已經好多篇說我要換工作了喔.. 您沒看到?
选择性略过。我记得你那个20年大头照变脸的帖子有提到过。说换过不少工作,然后就忙着看变脸了。🤣
Looking good, Congratulations on the new job.
thanks buddy :)
为人师表,老哥有种儒雅的气质。
太感謝了
生活是简单,但也不易,平淡出伟人,恭喜老师开始新的一天,祝万事如意!
謝謝!平淡出伟人,這句話好
老师很有范!
教室很大气!
😂
詹老师,好!!
除了一睹詹老师的教学风范之外,我还默默地做起了黑板上的数学题,哈哈哈。。
哇,太強了
哈哈,我数学不好,只会做简单的。。😂
原来这方程还可以这样解,我们当初学的时候是右侧减3啊😁老师风范,完美👍👍👍
謝謝!!
對啊,好險我遇到一個這樣教的老師,要不然我也不知道
祝詹老师在新的领域,新的圈子旗开得胜,再创辉煌。
二十年的光阴、奉献实在难得。做自己想做的,是一种能力也是一种魄力。
太感謝了
You have been teaching for 20 years and that is a lot of courage. Although this equation is easy, learning this equation is not less than a challenge for a new student. I remember how I learned this equation. 😄
Thanks for your support!
Thanks to your student who took your picture while you were teaching. 🤗
Yes for sure! Thanks for the comment
我猜这种数学无处不在,我还在上高中时就学会了,即使在睡梦中也能解出来,但可能会很复杂
還會寫中文,好厲害
啊……左右做同样的操作……为啥那时没想到呢……
呵呵,可能老師沒教