About
This simulation is designed to help visualize the comparing various fractions from 1/20 to 1 for primary mathematics.
more resources can be found support URL
Interesting Fact
This app is created by an ordinary teacher, not a professional vendor.
Acknowledgement
My sincere gratitude for the tireless contributions of Francisco Esquembre, Fu-Kwun Hwang, Wolfgang Christian, Félix Jesús Garcia Clemente, Anne Cox, Andrew Duffy, Todd Timberlake and many more in the Open Source Physics community.