Contributed by Benne de Weger, the Netherlands. “The title may be translated as The Counting Devil, or maybe The Number Devil, and it has a subtitle that. Der Zahlenteufel. by Hans Magnus Enzensberger at – ISBN – ISBN – DTV Deutscher Taschenbuch – : Der Zahlenteufel () by Hans Magnus Enzensberger and a great selection of similar New, Used and Collectible Books available.

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The German author has since stated he will not write any more young adult’s books, but instead direct his effort towards poetry. My largest concern, like many other critics, is the author’s renaming of terms.

MathFiction: The Number Devil (Der Zahlenteufel) (Hans Magnus Enzensberger)

It was one of the first books I read that helped me realize how simple and beautiful Math is! It helps to capture the magic of numbers. The New York Review of Books. The book follows a young boy zahlenteugel Robert, who is taught mathematics by a sly “number devil” called Teplotaxl over the course of twelve dreams.

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Contributed by Anonymous The Number Devil was a great book. Hi group, I consider this book an incredible treasure. By the eleventh night, Robert has shown considerable increased interest in mathematics, but questions its validity, to which the Number Devil introduces the concept of mathematical proofsending with the Number Devil showing Robert a complicated proof of basic arithmetic.

It is about a schoolboy who in his dreams meets the counting devil. Zahhlenteufel finds himself at the North Polewhere the Number Devil introduces irrational numbers unreasonable numbersas well as aspects of Euclidean geometrysuch as vertices dots and edges lines.


Hans Magnus Enzensberger

Zzhlenteufel presents mathematical concepts in an easy-to-understand but NOT dumbed-down way for children who aren’t yet able to read math textbooks for fun yes, there are people like that! In the index of the book, “unreasonable numbers” are translated as irrational.

Zahlehteufel from ” https: Views Read Edit View history. My daughter could not wait to get her calculator and find the square root of 2. I read it for a college course in a secondary education program although I am English and not Mathand am currently working with a group to create an interdisciplinary unit centered around this book.

I do have sahlenteufel question about the concepts covered in the book. I do love the book’s ok, really it’s the author’s imagination! On the sixth night, the Number Devil teaches Robert about the natural occurrence of Fibonacci numberswhich the Number Devil shortens to Bonacci numbersby counting brown and white rabbits as they reproduce multiple times.

I had to read it for a project in math and found it more than enjoyable. Enzensberger is a respected German novelist not at all a mathematician who wrote this book to show to children that serious math is great fun and not difficult.

Not all reviews were positive, however. Archived from the original on 26 April Contributed zshlenteufel Sarah Paige “It was a pleasure reading [this] book. I can’t wait to create lessons that incorporate this book. It’s very fun to read and it puts mathematics in a fun position.

A Mathematical Adventurezahlenyeufel on the book. Contributed by Maria My fourth grade daughter and I alternated reading a chapter aloud every day. Mathematics fiction books Fictional demons and devils Dreams in fiction Henry Holt and Company books zaahlenteufel Mathematics education.


I really wish that the book would have just put the actual names of the concepts, and not tried to be as cute. Robert is a young boy who suffers from mathematical anxiety due to his boredom in school. I read it to my children as 3rd and 5th graders when we were driving to Nova Scotia. It was a funny and interesting book that made my math phobic daughter think of math in a friendlier way.

He also experiences recurring dreams —including falling down an endless slide or being eaten by a giant fish—but is interrupted from this sleep habit one night by a small devil creature who introduces himself as the Number Devil.

I think there is a problem here! One thing upsets me, however: Some zahlentteufel the math concepts zahleteufel a zahlenteufl confusing but managable. Contributed by Rosy This book is a wonderfully funny way to talk about math. Are the concepts such as Fibonacci numbers and Pascal’s triangle merely mathematical “recreations” or are they actually useful for something?

Although there are many Number Devils from Number HeavenRobert only knows him as the Number Devil before learning of his actual name, Teplotaxl, later in the story.