Activities & worksheets
How special are the trigonometric ratios?
1. | Introduction with real life examples | Notes | Presentation | Students’ work |
2. | How are the ratios determined? | Student version | Teacher version | |
3. | Relations among the ratios | Student version | Teacher version | Answers in excel |
4. | Worksheets & activities designed by teachers | Tangent with sides |
Activity ideas
Four triangles.ggb
https://drive.google.com/file/d/0BwMOiCDa0X1pV2JST240SGFNS3c/view?usp=sharing
30 degree RA Tri.ggb
https://drive.google.com/file/d/0BwMOiCDa0X1pYWRiMnNJdzlsSTQ/view?usp=sharing
53-d_RA_tri.ggb
https://drive.google.com/file/d/0BwMOiCDa0X1pQ1R4Q3RDV3JncFE/view?usp=sharing
Worksheet ideas
Trigonometry
https://drive.google.com/file/d/0BwMOiCDa0X1peTlRRURxcnlRcGM/view?usp=sharing
https://drive.google.com/file/d/0BwMOiCDa0X1pZVRvZDRrS1dxcFU/view?usp=sharing
https://drive.google.com/file/d/0BwMOiCDa0X1pOFlUbS1GejFoUVk/view?usp=sharing
https://drive.google.com/file/d/0BwMOiCDa0X1pMWFmemFwRzJHNlU/view?usp=sharing
https://drive.google.com/file/d/0BwMOiCDa0X1pUVI3TmlPMnpSRDg/view?usp=sharing
Online resources
ETV program
(中文) https://www.hkedcity.net/etv/resource/1719113843
(ENG) https://www.hkedcity.net/etv/resource/1476787166
Questions for ETV
https://drive.google.com/file/d/0BwMOiCDa0X1pWk5ucmtXOTY5X1k/view?usp=sharing
Showcase Ideas
Post Exam Activity – Using trigonometry to measure the height of an object