Playing with an amazing program on “Scissors Congruence” shared by Francis Su

I saw an incredible tweet from Francis Su yesterday:

After exploring the program a little bit last night I thought it would be really fun for the boys to play with it this morning. So, I showed them the basics of how the program works and had them each play around for 10 min. Here are their thoughts:

Younger son (in 7th grade):

Older son next (in 9th grade):

I am really happy that this program won an NSF award – what an incredibly fun way to share an advanced math topic with everyone!