How to Weigh an Elephant?
With the start of the new school year, this time we'd like to share a true story from Chinese history for kids. It is about a boy using his ingenuity to solve a difficult practical problem. Nearly two thousand years ago (around 200 A.D.), in the country of China, there lived a boy named Cao Chong . His father Cao Cao was the King of China. When Chong was six years old, a foreign guest brought an elephant from a distant land to the courtyard of the palace as a gift to Chong’s father. Chong was very excited to see an elephant for the first time, since there was no elephant where he grew up. All the people in the court were amazed by the gigantic size of the elephant. A man with strong arms and legs tried to lift one leg of the elephant, but it moved not an inch. “I bet the elephant is really heavy.” Someone in the crowd shouted, I will give my precious marble to whoever knows exactly how heavy this wonderful beast is.” The King turned to the guest who brought the e