🔺 Make geometry click with Montessori-style matching + sorting! This Types of Triangles resource helps children classify triangles by sides and by angles using clear visuals, labels, and hands-on work charts. ✨ What’s included 🃏 6 Control Cards 🖼️ 6 Picture Cards 🏷️ 6 Labels 📘 6 Description Cards (simple definitions + key features) 🗂️ 3-Part Title Cards (for organised shelf work) 📊 1 A4 Control Chart (easy self-checking) 🧩 2 Work Charts + 2 Sorting Labels (sort by angle + by s