This Geometry Sticks Measurements Chart is a simple and useful reference tool for Montessori and hands-on math classrooms. It provides a clear visual guide to the standard Montessori geometry stick lengths (3 cm–21 cm), perfect for use during geometry lessons, measurement practice, or material preparation. Teachers can print, laminate, and post it near their Box of Sticks material or include it in student reference binders. ✨ How to Use Print and laminate for durability. Display in your mat