FLAME: Unit 2 builds deep foundational geometry and number sense through clear, engaging, and developmentally appropriate instruction. Students move from identifying and describing 2D shapes into recognizing 3D shapes, then extend their numerical understanding in Week 3 through a 1–10 Growing 100's Chart with early exposure to 100. Each week intentionally builds on the last, providing predictable structure and meaningful practice. Lessons follow the FLAME routine—subitizing, visual and auditory