This is a great project. Viyang Shah shows how you can expand from just adding and subtracting. Here are the files – Corel Version 17, Adobe Illustrated, and an SVG! Please let us know if you have trouble with access. Happy Making!
First version by Paola Garcia. Improvements and Cuisenairre adaptations based on suggestions from Jo Boalers facebook group YouCube completed in Fall 2019. Files are offered free.