Zachary Zormer Shape Transformer: A Math Adventure

Overview

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 ...
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Overview

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.
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Editorial Reviews

Children's Literature - Michael Chabin
There is a standing assignment in Zack's fourth grade class on Friday. Students must bring something interesting to measure, explain what it is and how it is measured. Unfortunately, Zack forgets three Fridays in a row. His improvisations are pretty impressive. First he takes a strip of paper, gives it a half twist and joins the ends to form a Mobius strip. This he claims doubles the length of the paper (actually it creates a single sided surface which can be thought of as infinitely long). The second Friday he demonstrates that by a few ingenious cuts he can increase the effective perimeter of a very small scrap of paper. Finally, he shows that a beam of light illuminates more area if held at an angle to the paper. This is a well written, engaging, and nicely illustrated story and a good choice for classroom reading. It might have been improved by better developed back matter—there is a lot of fascinating math in the three demonstrations and teachers would benefit from knowing about it. Even so, it is a fun read and worth having. Part of the Charlesbridge "Math Adventures" series.
School Library Journal
Gr 2-4-A well-explained introduction to the concepts of area, perimeter, length, and width. Each Friday, Ms. Merkle has her students share objects as part of a mathematical show-and-tell. Zachary has a tendency to forget and must use his ingenuity to meet the assignment's requirements. One week, he uses a piece of paper to create a Moebius Strip, which serves as something to measure. The following Friday, he uses a scrap of paper to make an expanding frame for his lesson on perimeters. For his third assignment, he uses a flashlight to show the area of a rectangle. The text has realistic dialogue, and Zachary's ability to explain his projects to his classmates ensures that readers also have a very good chance of understanding the lessons. The plot also includes a rivalry between Zachary and another boy to give the most interesting presentation each week. This rivalry is well developed, and readers will recognize the classroom dynamics in action as the story builds. The resolution is believable and positive. Hohn's illustrations bring the story to life with plenty of detail. Sharp-eyed readers will notice that the blackboard lists the Friday assignments, further reinforcing the terms and concepts. At the end of the book, each of Zachary's three transformations is explained in well-detailed steps so children can try them on their own. Youngsters will find Zachary's quick thinking and solid explanations both entertaining and educational.-Maura Bresnahan, High Plain Elementary School, Andover, MA Copyright 2006 Reed Business Information.
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Product Details

  • ISBN-13: 9781570918766
  • Publisher: Charlesbridge Publishing, Inc.
  • Publication date: 7/28/2006
  • Series: Math Adventures Series
  • Pages: 32
  • Sales rank: 334,508
  • Age range: 7 - 10 Years
  • Lexile: 590L (what's this?)
  • Product dimensions: 8.54 (w) x 9.44 (h) x 0.15 (d)

Meet the Author

Joanne Anderson Reisberg is a former teacher. She lives in Minneapolis, Minnesota.
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