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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Bravo Mr Numbrland — we’ll be sure to look into your other works. It is a great book for him, and I love how intrigued he is with numbers, and math. The illustrations are whimsical. This site uses cookies.

MathFiction: The Cat in Numberland (Ivar Ekeland (author) / John O’Brien (illustrator))

We enjoyed reading this book together. To see what your friends thought of this book, please sign up. He read it cover to cover in one sitting. The black and white illustrations are simple, but entertaining and our girls thought it was funny that 1, makes an appearance in the story several times.

TRuman is into numbers lately, and we started reading this chapter book about a cat in numberland. 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!


Then the Letters appear and everyone still has a room, even though At Mr. Refresh and try again.

Books by Ivar Ekeland. The pictures and stories are a creative rendition of a very difficult mathematical concept.

The Cat in Numberland

It makes the concept of infinity accessible and fun. I had checked out this ‘ Flatland for Infinity’ on a recommendation, but wasn’t too sure about it.

Honza Frauknecht rated it it was amazing Jun 20, Feb 19, Dolly rated it liked it Recommends it for: The Cat in Numberland addresses several complex mathematical concepts such as countable and uncountable infinities in a very clever and interesting way. This was also hardly the main point of the project, but turned out to be a fun way to end the conversation today. The writing is direct, simple, and clever. The cat that lives at the hotel with all the numbers is finally so baffled by the fact that the hotel is full but there is always more room that he moves away.

Did a good job of explaining the Hilbert hotel concepts. Also, 0 can be divided, even though 0 can’t divide, and it would be very boring to play addition, subtraction, and multiplication with 0. Vilenkin The Dot and the Line: Aug 09, Jenny rated it really liked it Shelves: I did love the single variable algebra problems that were introduced when the letters came to p Did a good job of explaining the Hilbert hotel concepts. A must-read for young and old, math phobics, and “math philics”.


Debbie Bakan rated it it was amazing Dec 29, Aug 04, Neem rated it really liked it Shelves: Aug 31, Alison Tripp rated it really liked it Shelves: David rated it liked it Oct 20, Vincent rated it did not like it Jun 01, The hotel is fully booked — the rooms are full of Numbers, both Odds and Evens — yet guests continue to arrive.

Talking about “The Cat in Numberland”

Like the unrelated book Numberland by George Weinberg, most of the characters in the book are the positive integers themselves. HumorousDidacticChildren’s Literature. I must not fail to mention the clever artwork that accompanies the story – we spent time going over each picture to see if anything of interest was hidden!

Feb 04, Badlydone rated it it was amazing Shelves: Iwka rated it really liked it Aug 19, Jun 03, Jaime rated it liked it Shelves: O picked up the concept of odd and even numbers, the idea of infinity and was intrigued by the concept of zero. This is a fantastic depiction of the proofs involving Hilbert’s hotel. Luke Ewell rated it it was amazing Jul 07, I wonder if Mr.