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Pi Explained in 3:14
Sir Cumference and the Dragon of Pi
This time, a potion has changed Sir Cumference into a fire-breathing dragon. Can Radius change him back? Join Radius on his quest through the castle to solve a riddle that will reveal the cure. It lies in discovering the magic number that is the same for all circles. This magic number, pi, will restore Sir Cumference to his former shape. Cindy Neuschwander is a native Californian, but she has lived in many places, including Germany, England, Austria, and Hawaii. As a mathematics education specialist, Cindy sought ways to make math fun, interesting, and comprehensible to her students.
I actually understand Pi now better than I ever did. Where was this when I was in school, getting great grades in math without every truly understanding what I was doing? Update: My son has been learning about Pi and the formula for finding the circumference of a circle for a few weeks. He failed the whole unit, and I'm glad I remembered this book. We read it together, and he was motivated to experiment with string and measuring tape on various circular objects around the house. He has this formula truly understood now instead of memorized, and on several enrichment practice exercises he performed perfectly.
When Radius gives Sir Cumference something to relieve stomach pain, his poor father Book - Sir Cumference and the Dragon of Pi by Cindy Neuschwander.
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