Scoot
I think there are different variations, but I put one numbered card on each desk. Then the students number their notebook paper with however many cards I have out. They stand up, push their chairs in, and start with the card in front of them. I usually play some upbeat music while they are working and after a length of time, I call "1,2,3, scoot". Then they shift to the desk next to them (I go over the pattern of how they need to move before we start). They do this and get faster and faster until they end up back at their original desk. Then we check their answers. Mine even came up with the idea that they turn their back to the desk when they're finished with each card so I'll know when everybody is ready to scoot.