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ZACHARY ZORMER SHAPE TRANSFORMER
​Author: Joanne A Reisberg   
​Illustrator: David Hohn

Number of pages: 31
Publisher: Charlesbridge Publishing (USA)
First published in: 2006
Format: Picturebook

Is the mathematical focus explicit in the story? Yes
Is this story part of a mathematics story series? Yes (Charlesbridge's Math Adventure)

Click here to preview and/or purchase this book via the Amazon (UK) website 

Synopsis by the author/publisher
Friday is Zachary Zormer's favorite day of the week. At least it is until he realizes he forgot this week's assignment, "Bring in something fun to measure." Tyler, the class show-off, brings a picture of himself from the newspaper. How can Zack top that when all he has to work with is a piece of paper he finds in his pocket? Week after week Zack takes on a different math concept (length, width, area, perimeter) with surprising projects including a mobius strip, a paper frame large enough to step through, and a light show that demonstrates how the sun heats the earth.

“In front of the class, Zack pulled out the hall pass and smoothed it out. "This is a small piece of paper," he said. "It's about 4 inches long and 6 inches wide, so it has a perimeter of about 20 inches," he paused, "but I can make it big enough to walk through."”

Recommended age range: 
10+ years old

Relevant mathematics topics: 
Area & Perimeter

​Possible teaching activities:
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