It's fun to solve math and discover formulas
"I really don't know why so much time is spent describing the world of mathematics to young Earthlings as scary as possible, when there are so many fascinating things to discover."
Who said this? 3.7! Yes, you read that right ... 3.7 is a female being from a distant world named Pirk and from there this being writes mathematical letters to us Earthlings. A total of 3.7 writes nineteen letters with exciting mathematical topics:
The amazing hotel (Subject: Infinite)
Pretty big (Topic: Big Numbers)
Very small (Subject: Fractions)
party (Topic: Divide & Infinite)
Pairing (Topic: addition of natural numbers)
Front to back and back to front (Topic: addition of natural numbers)
Wild formulas (Topic: Discovering the Molecular Formula)
Wild formulas in the square (Topic: sums of odd numbers)
Is that possible or not? (Subject: A Checkerboard Problem)
Up and down the hill (Topic: Problem Solving & Proofing)
The drawer principle (Subject: Proof of Existence)
Everything prim today ?! (Topic: Prime Numbers)
1001 magic trick (Topic: computing tricks)
The house of Nicholas (Subject: drawing in a train)
Semi-detached painting (Subject: drawing in a train)
Always one after the other (Topic: Combinatorics / Permutations)
How good are the chances? (Topic: permutations and probabilities)
Switch or not? (Subject: probability)
jackpot (Topic: Probabilities of the lottery game)
The topics all arise from everyday life in the Pirk world. The extraterrestrial 3,7 does not live there alone, her friend is the little kite Rudi and together they are pulled from one mathematical adventure to the next. It is often about really great and challenging math problems that need to be solved. The letter form is a brilliant and quite motivating idea! The Earthlings are addressed directly, but are not presented with finished solutions in the letters, but are asked to think along with them, to try things out and to develop their own ideas. That is an enormous strength of this book: 3.7 letters from another world
If you are now wondering which age group the book is suitable for, then there is no clear answer to that. In any case, the book is for you if you are a math teacher yourself in primary or secondary school. Because then you can definitely take a letter or two with you to math class and spice up your lessons with it. Because the way mathematics is thematized in the letters, it is guaranteed to be fun even for math grudges!
It can also be used to create great projects or support hours with small or large math aces (i.e. with mathematically interested and gifted children). It is these children in particular who are encouraged to continue figuring out things and thinking further and can thus get into the maths. My spontaneous idea would be to write a reply letter to extraterrestrials 3,7 and her friend Rudi. The letters provide impetus for this in numerous forms. Just send your letters to:
Yes, and maybe the author Raymond Hemmecke (whom I will introduce to you in a moment) will come up with new letters for your math fans.
Even now in the time of homeschooling (which is not over everywhere yet), parents can use the book well to address one or the other school topic from math lessons in a slightly different way together with their kids. That’s sure to be fun!
The author Raymond Hemmecke was born on July 16, 1972 in Kölleda, Thuringia, and grew up there as the youngest of four siblings. He studied mathematics in Leipzig, Brighton and Duisburg, worked in California, Magdeburg and Darmstadt as a lecturer at universities and was a mathematics professor at the Technical University of Munich for over 5 years before venturing out of the ivory tower into an entrepreneurial activity in 2014. He has two wonderful young daughters, Carina and Paula, who put a smile on his face every day. Even as a child he was enthusiastic about mathematics and tried to convey this enthusiasm to others. Because math is fun! At least mathematics can be a lot of fun if, instead of plain formulas and calculations, it is precisely this fun that is conveyed. And that is precisely why the author is breaking new ground and in his short letters gives an insight into a world that has unfortunately been hidden from many children and adults up to now. His letters are written for children and adults of all ages in the hope of opening the door to the fascinating world of mathematics for everyone. Because math is fun!
And finally, a reader opinion that I would like to agree with:
“The protagonists are the extraterrestrials 3,7 and a small kite named Rudi. These two help the reader to find their way around the world of mathematics better. You can immediately put yourself in the shoes of the individual mathematical areas that are explained in the book, e.g. infinity or prime numbers. Everything is explained in a child-friendly manner. Even adults with “respect” for mathematics can still learn something here or better understand how math works. Even my husband, a math teacher, thought the book was very good. Well, if that is not something! In this sense ... don't be afraid of math and try to understand and grasp. "
If you are curious now, you can go directly to the book via the following link: 3.7 Letters from Another World
You can find many other great book tips here: Mathematical children's books
See you soon, your Mandy Fuchs
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