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Sir Cumference & the Dragon of Pi
by: Cindy Neuschwander

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Sir Cumference Math series are a terrific way to teach children elementary math lessons. Bring elementary math and geometry alive as you read about Sir Cumference and his Lady Di of Ameter. Your children will actually remember the math lesson and geometry concepts.

Sir Cumference and Lady Di of Ameter, and Radius are back in their second Math Adventure! When Sir Cumference drinks a potion which turns him into a dragon, his son Radius searches for the magic number known as pi which will restore him to his former shape. It lies in discovering the magic number that is the same for all circles.

Math Concepts:

  • Geometry
  • Symmetry
  • Circumference
  • Pi
  • Measurement
  • Diameter
  • Radius



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Making Math More Fun

Sir Cumference Series Math Package (Save 20% when you buy all 6!)
           Sir Cumference & the Dragon of Pi
           Sir Cumference & the First Round Table
           Sir Cumference & the Great Knight of Angleland
           Sir Cumference & the Sword in the Cone
           Sir Cumference & the Isle of Immeter
           Sir Cumference & All the King's Tens

Younger Adventurers Math Package (Save 20% when you buy all 6!)
           A Place for Zero
           Equal Shmequal
           Multiplying Menace: The Revenge of Rumpelstiltskin
           Once Upon a Dime
           Sold! A Mathematics Adventure
           Alice In Pastaland

Older Adventurers Math Package (Save 20% when you buy all 6!)
           Zachary Zormer: Shape Transformer
           Beanstalk: The Measure of a Giant
           Cut Down to Size at High Noon
           Rabbits Rabbits Everywhere
           What's Your Angle, Pythagoras?
           A Very Improbable Story


Christian Homeschool Curriculum