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How much does an elephant weigh? How do you know? How would you know if you didn t have a modern scale? Six-year-old Cao Chong, the most famous child prodigy in Chinese history, faced just this problem! Chong watches as the prime minister s most trusted and learned advisors debate different methods. The principal of buoyancy and a little bit of creative thinking help this boy come up with a solution.This fictional story includes a 4-page For Creative Minds section in the back of the book and a 30-page cross-curricular Teaching Activity Guide online. Cao Chong Weighs an Elephant is vetted by experts and designed to encourage parental engagement. Its extensive back matter helps teachers with time-saving lesson ideas, provides extensions for science, math, and social studies units, and uses inquiry-based learning to help build critical thinking skills in young readers.