Make and put on the door - Teach-A-Roo: Ticket Out the Door! This can be used as an exit ticket. You could put critical thinking or math on the door. This gives the students something to do when waiting at the door.
This activity can help children recognize by showing different forms of the same number. This can help children develop their cognitive skills by introducing them to new ways of expressing them same numbers.
Sun clock that helps with telling time. This is a cute and easy way for kids learning how to tell time, because it is right under the clock and the rays represent the 5 minute intervals and that can make it easy for kids.