Try it tomorrow. Take your 5x5 grid of desks. Push them into seven clusters. Set a timer for seven minutes. Then ask a question and wait. Count to seven. Listen.
Why? Because writing on a vertical surface slows down thinking (good for metacognition) and forces visibility. The teacher can scan seven walls in ten seconds and see exactly who is stuck. The student cannot hide their blank paper inside a binder.
The "7x Classroom" isn't about literal dimensions (though space matters). It is a philosophy based on seven core multipliers:
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