How Much Does a 100×100 In-N-Out Cheeseburger Cost?


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This lesson from Robert Kaplinsky is centered around a math problem where students have to use a menu from In-n-Out Burger to explore an off-menu special deal. Students use the pricing information from the menu to create a function to determine the cost of a “burger stack “of any size, figuring out rate of change and starting amount in real context. It has teacher notes, inquiry-questions and samples of student work.


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