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Open Middle Questions
Open middle problems follow a very specific structure. Students start with a closed beginning – which means they all start with the same problem to solve. They also end with a closed ending – meaning everyone is searching for the same answer. But the way to find the answer – the middle part – is open, meaning there are many different ways to solve the problem. Quite often these types of questions are about optimization; an answer can be found fairly simply, and complexity can be increased by asking students to find the best answer possible. The following example is from www.openmiddle.com/missing-digits/:
Examples of open middle questions can be found at: https://www.openmiddle.com/
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