A great problem for kids posted by Tina Cardone
[sorry for the hasty write up – I had some problems downloading the video from the camera, and the rest of my day is a little busy. Just wanted to get this one out the door because it is so fun.] Saw this wonderful problem posted on Twitter by Tina Cardone yesterday: For clarity, here’s … Continue reading A great problem for kids posted by Tina Cardone