This is a great warm up activity, shared by Mike Ginicola. I have made it into a google slide so you can project it onto a large screen for the class to see. To use the slide go to this link:
Also, if you'd like to create your own, here's the template: bit.ly/3kaK504
I did this with my 3rd - 6th grade and students loved it and were exhausted afterwards! Another great creation from Ginicola