These place value boards are color coordinated for students who may struggle with the concepts of regrouping (addition), or borrowing (subtraction). In my own classroom, they are printed and laminated as place value boards for my students to use them with multi-digit addition and subtraction. They are great for accommodations in a resource-replacement room, and are great for "Reminder Binders" for students in the math classroom. It also moves students way from just using paper or basic whiteboar