Classroom Boggle-with letters! for kids who finish early! First off, I LOVE boggle! Secondly, this is an awesome way to keep kids busy if they finish early and it would be easy to change some letters at the end of each day or the next morning!
Lots of winter activities This one would be cute with a little bucket or something next to it for students to write guesses on and than check at the end of the week or to keep written in their math journal
This site has a lot of great Apps for classroom use: flashcards, classroom mangement, Common Core, Fry word lists, Running Record calcuator and more. I think this would help especially since I'm a new teacher.
Addition math skill: This is a great activity in having a lady bug or any other animal and having spots on it to for addition. Having students create their animal is also fun in creating their own addition problems.
"Teacher's Love Notes Binder" A place to put all the beautiful pictures your students give you throughout the year. A binder with sheet protectors. Keep it on a shelf where the kids can also look at it, and you don’t have pictures everywhere.
All about me bag - Each child fills the bag with 4 things about them and brings it into school. They can decorate the bag too. I did this with my own items as a first day of school ice breaker. Maybe get large paper sacks from the grocery