For attendance? A quick get to know you/math (counting and graphing) activity. Later in the year students can generate the questions and write them. Place on light colored paper, laminate, and questions can be added with white board marker.
I like the idea of placing taking a picture each time you measure over the years. how tall am I- a block center measurement activity students measure their friends and themselves using blocks and record their answers
Building & Shapes with Craft Sticks - In The Playroom building shapes from craft sticks. Fun and simple STEM activity for kids If you absolutely love arts and crafts you really will appreciate this site!
Unit 2 - True or false Number Sorts! This could be used for many different concepts.Love the sorting chart idea Extend by having students put in the correct sign. They have to do this on SOAR all the time.