If You Give a Mouse A Cookie Math & Counting Activities from Still Playing School. This book incorporates math well. It isn't necessarily a math book, but can be very engaging for students. Students can learn addition and counting within this lesson.
This website contains a free teacher binder template that I would want to take advantage of. I use a planner to help myself stay on top of daily tasks and having an individual planner for my classroom would be even more helpful.
“What Dissolves in Water?” Experiment for Kids from the Pantry