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Sir Cumference and the Dragon of Pi

Sir Cumference and the Dragon of Pi by Cindy Neuschwander

Published February 1st 1999 by Charlesbridge

Plot Description: Sir Cumference’s son, Radius, is sent on a quest to help find a cure for his father who has been turned into a dragon. Radius must go on a mathematical quest to solve a riddle and find the correct dosage of a medicine that can turn his father from a dragon back into a man by measuring the diameter and circumference of a circle and coming up with the number Pi.  Mathematical terms and concepts are used to tell the story. This would be a great story to read in observation of Pi Day (March 14th).

Quantitative Reading Level: 3.8

Qualitative Reading Analysis: Moderately Complex for the grade level.  Although the story line is simple, there are introductions to new mathematical terms (pi, circumference, diameter, etc.) as well as the double meaning of the word pie/pi that is discussed at the end of the book.

Content Area: Measurement & Geometry

CC Content Area Standard: Math 6.RP. 1-3, Math 6.G. 1-6, Math 7.RP. 1-3, Math 7.G. 1-7

Curriculum Lesson Plans:

Other Fun Resources:

  • Characters – Sir Cumference, Radius, Lady Di of Ameter, Geo & Sym of Metry, Lady Fingers (Pinky)

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