Pinner said:"In third grade, students will learn how to multiply and divide. We have two doors in our classroom designated to record student progress. As they master a set, they will get to "sign the door.""And more great ideas other than math!
The Tutor House: Nuts N' Bolts for Math. This will be perfect for practicing operations with integers. Each pair could have a different nut/bolt set. On their papers they could be asked to list out every combination.