Percentage difference puzzle

 teachMathematics: Percentage difference puzzle

What"s the difference?How well do people know the facts about the places they live? Here are some results of a real survey to find out just that. People were asked "how many people out of 100 in your country are immigrants?" and other questions. In this activity we will compare their perceptions to the reality and explore how we can decide who, if anyone, had the best guess! This is an activity designed to provoke some...


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