Measurement benchmarks- good for grade CCSS. Last year we used only Body Parts as benchmarks but I like the idea of having several measurement benchmarks instead

Math About Me: Figure Me Out! Beginning of the Year Math ~ Getting to know you activity. Can adapt and use from grades and up! From Shut the Door and Teach

Place Value anchor chart - image only. I would use this "frayer model" for a variety of Math ideas. How many ways can you model an addition/subtraction problem using your strategies, etc.

Numbers for skip counting and multiplication Here's a set of number organizers that show multiples of each number inside the number outline. These might be interesting pieces in student notebooks.