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Simon Tatham's Portable Puzzle Collection

Simon Tatham's Portable Puzzle Collection
Introduction This page contains a collection of small computer programs which implement one-player puzzle games. All of them run natively on Unix (GTK), on Windows, and on Mac OS X. They can also be played on the web, as Java or Javascript applets. I wrote this collection because I thought there should be more small desktop toys available: little games you can pop up in a window and play for two or three minutes while you take a break from whatever else you were doing. And I was also annoyed that every time I found a good game on (say) Unix, it wasn't available the next time I was sitting at a Windows machine, or vice versa; so I arranged that everything in my personal puzzle collection will happily run on both those platforms and more. The games The actual games in this collection were mostly not my invention; they are re-implementations of existing game concepts within my portable puzzle framework. Below each image are two links to versions of the puzzle you can play on the web. Licence

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The triangular binary clock Jörg Pretz, Bonn University Abstract A new idea for a binary clock is presented. Can you solve it? The whisky puzzle that will have you on the rocks Hello guzzlers. If you are now abstaining from alcohol, as many end-of-year over-indulgers do, today’s puzzle is for you. Here’s a full whisky bottle. It has a height of 27cm and a diameter of 7cm, and contains 750 cubic centimetres of whisky. It has a dome-like indentation at the bottom like many bottles have.

Hello and welcome to my 38th gems post. This is where I share five teaching ideas I've seen on Twitter. As teachers start making plans and preparing resources for September, there's been a flurry of inspiring ideas on Twitter - I can barely keep up! Origami Calendars 2015 Origami calendars are now available! Shown here are the templates or printouts for various origami calendars. We would like to thank the original creators for allowing us to convert the calendars into various languages and sizes. These include, Carmen Sprung, Nick Robinson, Paolo Bascetta, Ralph Jones, Paul Jackson, and more. Don't have time to make your own origami calendars? Can You Solve The Horse Grazing Area? Sunday Puzzle – Mind Your Decisions A horse is tied to an outside corner of a 20 foot by 10 foot rectangular barn. What is the maximum area the horse can graze outside, if the rope has length L? Solve for L = 5 feet and L = 25 feet, and find the exact answer. If you are up for a challenge, solve for L = 50 feet. You can solve for the answer to 3 decimal places. Can you figure it out?

Well the summer holidays are well and truly over. Many teachers, particularly those who are relatively new to teaching, will spend this weekend making lists, planning lessons and experiencing that unsettling feeling of nervous excitement. If you have time to read this week's set of maths gems, I hope they provide a little light relief. 1. Advent & Christmas Resources My Top Picture Books: Advent & Christmas Liturgy & Resource Books Night Visions by Jan L. Can You Solve The Diluted Wine Puzzle? Famous 16th Century Math Problem – Mind Your Decisions A servant has a method to steal wine. He removes 3 cups from a barrel of wine and replaces it with 3 cups of water. The next day he wants more wine, so he does the same thing: he removes 3 cups from the same barrel (now with diluted wine) and replaces it with 3 cups of water. The following day he repeats this one more time, so he has drawn 3 times from the same barrel and has poured back 9 cups of water.