DescriptionIn this problem solving session two students, Brandon and Colin, are working to solve the pizza problem when selecting from four toppings [problem statement is below]. Brandon and Colin both organize their solution into chart form. Colin uses a check mark to indicate the topping is present in the pizza. Brandon uses a series of zeros and ones where zero represents that topping not being on the pizza and a one represents the presence of that topping. After working for approximately ten minutes, they both come to a solution of sixteen pizzas. Brandon and Colin compare their solutions with one another and explain their answers and reasoning to researcher Amy Martino.
Pizza problem selecting from four toppings problem statement:
A local pizza shop has asked us to help design a form to keep track of certain pizza choices. They offer a cheese pizza with tomato sauce. A customer can then select from the following toppings: peppers, sausage, mushrooms and pepperoni. How many different choices for pizza does a customer have? Find a way to convince each other that you have accounted for all possibilities.
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