At Mr. and Mrs. Hilbert’s Hotel Infinity, the resident cat is puzzled. The hotel is fully booked, the rooms are full of Numbers, both Odds and Evens, yet guests. Shop our inventory for The Cat in Numberland by Ivar Ekeland, John O’Brien with fast free shipping on every used book we have in stock!. This picture book uses the idea of a hotel with infintely many rooms for introducing some advanced concepts about numbers and infinity to children. The hotel.

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Tagged infinity Kelsey Houston-Edwards. I did love the single variable algebra problems that were introduced when the letters came to play.

That conversation went pretty fast so I asked the boys to numgerland find another bijection and got really lucky when they picked two pretty cool ideas — powers of 2 and prime numbers. The Cat in Numberland addresses several complex mathematical concepts such as countable and uncountable infinities in a very clever and interesting way.

Books by Ivar Ekeland. Aug 31, Alison Tripp rated it really liked it Shelves: I read this to my 5. Davis Lost in Lexicon: Can an ingenious solution be found to house them all? But I loved how the author explains the idea and at least we get the general concept.

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George Hagstrom rated it really liked it Apr 05, The illustrations are whimsical. I would reccomend for 4th and 5th graders and encourage a Hotel Infinity follow up activity.

The Cat in Numberland by Ivar Ekeland. A must-read for young and old, math phobics, and “math philics”. Refresh and try again. How does one go about getting Zero numberoand own room? The hotel, run in the book by “Mr.

The Cat in Numberland

He read it cover to cover in one sitting. To see the entire list or to see more works of mathematical fiction, return to the Homepage. My older son got a little confused by the numbering of the hotel rooms in this video.

Kyle rated it it was amazing Dec 25, Introduces fractions, the idea of infinity and discusses additon, subtraction, multiplication and division. My son liked it, I didn’t. O picked up the concept of odd and even numbers, the idea of infinity and was intrigued by the concept of zero.

Mentioned that not any 2 numbers could play division, but didn’t say anything about limits on subtraction. This was also hardly the main point of the project, but turned out to be a fun way to end the conversation today.

Then the Letters appear and everyone still has a room, even though no Numbers have left. However, Zero shows up at their doorstep and wants to stay at the hotel. Email required Address never made public. Trivia About The Cat in Number Vilenkin The Dot and the Line: And how on earth do they accomodate all of the fractions? Oct 06, Heather rated it it was amazing Shelves: And what about the fractions who also make an appearance and would like to stay in the hotel?


Talking about “The Cat in Numberland” – Mike’s Math Page

What about when the letters need numbrland stay the night? We normally do this sort of book a chapter at a time over a few days, but they insisted we read it through cover to cover in one sitting.

So, thanks to Allen Knutson for pointing me to the book and to Kelsey Houston-Edwards for the Infinity video which has now led to three fun projects with the boys! Luke Ewell rated it it was amazing Jul 07, Like The Number Devil: This is just one work cxt mathematical fiction from the list. Leave a Reply Cancel reply Enter your comment here Bravo Mr Ekeland — we’ll be sure to look into your other works. The story is humourous and the cat cst great.

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