Same & Different: Cafeteria Tables

Look at the two different kinds of cafeteria tables. What do you notice?

A: a diagram of 3 tables. Each table has 7 seats on the top and bottom and a seat at each end. B: A diagram of two square tables with 4 seats on each side.
  1. How are pictures A and B mathematically the same, and how are they different?
    • A and B are the same because …
    • A and B are different because …
  2. Make a third picture that shows another table or set of tables. Explain how your picture is the same as pictures A and B, and how it is different.