Place Value Cards - Random

Close to 1000

Arrange the digits to make the sum as close to 1000 as possible.
Inspired by a problem shared by Robert Kaplinsky at NCTM 2016. Find his work at [url=http://robertkaplinsky.com/]robertkaplinsky.com[/url] and [url=http://www.openmiddle.com/]openmiddle.com[/url]

直式三位數加法

工作紙
參考資料 1
參考資料 2
https://nzmaths.co.nz/resource/nine-tiles
延伸學習 1
https://www.transum.org/software/SW/Starter_of_the_day/starter_April4.asp
延伸學習 2
https://www.geogebra.org/m/mYTjP7Fc
延伸學習 3
https://www.geogebra.org/m/pqude5ba
Number Pyramids: nrich.maths.org
https://nrich.maths.org/numberpyramids
Magic Squares: 洛書
https://www.storyofmathematics.com/chinese.html
隨機數字
GeoGebraScript: RandomBetween[a, b][br]Microsoft Excel: RANDBETWEEN(a, b)

三巧板

運用以上三塊圖形板拼合出下面的圖形:[br](a) 等腰直角三角形[br](b) 長方形[br](c) 平行四邊形[br](d) 梯形

正方形和長方形有甚麼特性?

Eng version: [url]http://ggbtu.be/m79823[/url]

幾何板上的圖形

繪畫未完成的四邊形
https://www.geogebra.org/m/qq9rrtmf

Kahoot

樂與分享,砥礪同行.
P6 圓 & 圓周
[size=85]lkkb math teachers[/size]

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