1) How about going outside and forming the numerals with the staff and kids? Straight line for 1 and 2 big circles for the zeros, take a picture from second story window, why not send it in the local TV and newspapers. We plan to do this for our Ten year anniversary in the fall. 2) Click on 100th Day of School--there's more links with ideas listed there! 3) 100 day party, have the kids bring in a baggie full of 100 of something marshmallows, M&M's, buttons, pennies etc, that they first had to count at home with someone, then we would count it again with them during class. What ever was edible was shared at our 100 day party. We also made crowns that they decorated and glittered a 100 on the front, then we practiced making lines and circles that day. 4) I give the children bags of 100 fruit loops and they string necklaces. YUMMY!!!!! They also bring in a collection of 100 things and use them to make a picture/collage. I photograph each child with the finished product. 5) My son used the letter can in his class too. However, it was sent home with two different children each day. They were to bring in 3 different things that would fit in the can (a 1 lb. coffee can decorated). If they so chose they could put in a picture of what they wanted to bring. At letter time they would sit in front of the class and give clues to what was in the can and the children had to guess what it was. If they guessed the wrong thing the teacher would ask "Does that start with the (she would make the sound of the letter) sound? and this would reinforce them to listen to the sounds that the letter starts with. 6) Another idea is to have a shoebox with salt in it. They can trace the letter in the salt to get the idea of how it should go. 7) This would not apply to this year, but next year you could make a paper chain and add a chain each day you are in school until you get to the 100th day. Or you could reverse it - have the chain of 100 links ready and take one off each day of school and have a count down.