by Cindy Neuschwander
illustrated by Wayne Geehan
The gang is back, this time
the concept of pi, how to find circumference, and the attributes of a circle. When Sir Cumference drinks a potion that turns him into a dragon, it's up to Radius to find the cure---the magic number that's the same for all circles (pi)--- in order to get his father back. In our opinion, this title is the strongest of the series.
And, as with
many of the other books in this series, this title would definitely
work well into middle school. (which is probably a more appropriate age
level, given the material being covered.) For more, check the Amazon
page for reviews from older grades teachers.
Interest Level: Gr. 2-7 DRA Level: 40 Lexile Measure: 390L
Grade Level Equiv: 4.2 Guided Rdg Level: Q
Below are sample spreads from inside the book:
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There are lots more Sir Cumference books available! We think Sir Cumference books are fun, engaging resources for teaching different geometry topics to kids! To learn more about them, click on the book covers below or on the link above.