Polygon formed from 2 rectangles
- Author:
- spkwan
- Topic:
- Geometry
classroom snapshot, 22Feb2023 (team-teach with 智仁)
sample worksheets, lkkb22Feb2023
discussions on worksheet design
second trial on 03Mar2023 (team-teach with 喬欣)
sample worksheet, stts依靈03Mar2023
sample worksheet, stts岷澄03Mar2023
alternate approaches
a discussion on question 11
visualization
proof
revised worksheet
former trial teaching
1. 香港嘉諾撒學校
https://www.ggbm.at/FeAxv9a4
https://www.ggbm.at/ANmJwgUf
2. Zino Ng - Paper Strips Activities
https://www.ggbm.at/NEPFdqgN
references
1. GeoGebra book 圖形。周界
https://www.ggbm.at/vezb2cv4
2. 滕衍文(2013)《小能人數學 小學三年級》頁112-117 南京大學出版社
3. 洪進華(2019)《小學數學新思維 4下A》頁31-64 教育出版社