This was the most delightful half hour I had this week. Two kindergarteners are working with me to learn combinations to 5. I was getting pretty tired of writing on dry erase boards so I tried this: 

 
You would have thought these 6 year olds won the lottery! They were so excited to draw on the window. The part that really touched me though was the way they wanted to clean the windows at the end, because they didn’t want the cleaning crew to have to do it. How sweet is that?!