Directed Numbers
http://minisite.proj.hkedcity.net/sec-math/cht/ma/N/index.html#2210
Playing Connect Three - Flash
TicTac Go (Directed Numbers) (Java)
http://www.fi.uu.nl/toepassingen/03088/toepassing_wisweb.en.html
集中趨勢的量度 (Measure of central tendency)
l Mean and Median (Java applet)
http://minisite.proj.hkedcity.net/sec-math/eng/ma/D/D2/D2A/index.html#2516
http://illuminations.nctm.org/ActivityDetail.aspx?ID=160
Linear Equations in two Variables
http://minisite.proj.hkedcity.net/sec-math/cht/ma/N/N4/N4B/index.html#2767
Car Race Classroom Simulator/InterActivity (Example of Geogebra )
http://www.mathcasts.org/mtwiki/InterA/CarRace
More on Geogebra
http://www.geogebra.org/webstart/geogebra.html
Online Graph Calculator
https://www.desmos.com/calculator
Coordinate Geometry of Straight Line
http://minisite.proj.hkedcity.net/sec-math/eng/ma/S/S4/S4B/index.html
星之傳說 (self learning)
http://cd1.edb.hkedcity.net/cd/bcalt/math/ks3/chi/KS3-MS13-2/stars.html
直線上的斜率
http://tmrc1.tp.edu.tw/HTML/RSR2008111017593016P/91_contect5.html
Liner Equation
http://minisite.proj.hkedcity.net/sec-math/cht/ma/N/N4/N4A/index.html#3038
Linear Equations in one Variable
http://www.quia.com/rr/42586.html (Game - Millionaire)
Other Web resources :
My math universe