Groups of Three or Pods of Four
Both plans seat 24. Whether the group still faces the board.
Groups of Three
Choose trios when you will teach from the front and then send them into a short problem without turning the furniture.
20 by 10 grid, 2 rows.
Pods of Four
Choose pods of four when students should face each other for the whole task.
12 by 12 grid, 4 rows.