a really fun idea for classroom management/transitions... the "action cup!" write different actions on popsicle sticks, such as "pretend your legs are spaghetti" and have one student pick an action for the class to do each time they transition! there's a list of actions at the website!
10 Preschool Transitions- Songs and Chants to Help Your Day Run Smoothly
Interactive frog counting book: A great addition to your math learning center or to your collection of busy books/ lap books. Provides hands on opportunities to practice counting, patterning, construction/deconstruction numbers, and addition.