'early finishers' board via TPT. It provides you with a FULL YEAR'S WORTH of printable activities to display. It is differentiated by learning style so students can pick and choose meaningful activities to do. She has various grade levels available!
JPEG image - More maths resources to help understanding of number . In the other year 3 classroom they had a maths resource shelf quite like this where the resources were named with pictures to help all children clearly see where each resource is.