Since it's officially summer, I've found some great free summer resources for you! These would be great if you are still in school, doing summer school, or they can work for when you go back to school!
By: Mrs. Thompson's Treasures
By: Fern Smith's Classroom Ideas
By: Linda Nelson
By: Amy Lemons
Summer Math Centers
By: First Grade Centers and More
Disclaimer: These products are free at the time of this post. Sometimes authors change the price. I'm sorry if any of these are no longer free or available.