In Mrs. Jusits’ 4th-grade math class, students are engaged in a Eureka Math² lesson focused on subtracting large numbers. The lesson emphasizes conceptual understanding through hands-on exploration and visual modeling. Students use whiteboards to solve problems individually and collaboratively, while Mrs. Jusits circulates to provide immediate, targeted feedback. She strategically brings the class together to model subtraction on the board, reinforcing place value understanding and procedural fl