Teacher's Guide to the activities (.pdf)
One-minute intro video (.mp4)
Presentation slides (.pdf)
Definition sheet (.pdf)
Two worksheets (on Trees and Spanning Trees) (.pdf)
Supplemental worksheet (on Weighted Spanning Trees) (.pdf)
MathILy, MathILy-Er, and MathILy-EST are projects of the nonprofit organization Mathematical Staircase, Inc..