### Weblog > Math Puzzles

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### Will Shortz Introduces KenKen

KenKen puzzles are created by Japanese educator Tetsuya Miyamoto, but now the worlds most famous puzzle maker Will Shortz will bringing KenKen to the United States this fall. It will be syndicated nationally in newspapers and magazines in September and books will be out in October 2008.

Before the official introduction Will Shortz introduces KenKen and gives a brief play-by-play demonstration of this new puzzle craze on YouTube. More information about KenKen including an online version of KenKen puzzles can be found at KenKen.com

### KenKen Puzzle Book

KenKen is the brilliant successor to Sudoku that’s taken Japan by storm selling over one million copies in less than a year.

In collaboration with The Times, Collins – the no 1 puzzle publisher – are proud to be bringing it to the UK. KenKen is a new type of brain-training puzzle based on logic and simple arithmetic. Perfect for all ages and highly addictive, KenKen puzzles challenge and entertain in an entirely new way! The puzzle was invented by a charismatic Japanese maths teacher, Tetsuya Miyamoto in 2004.

The name comes from ‘Ken’ which is the Japanese word for [Read More...]

### KenKen Puzzles (Sudoku Variant)

KenKen Puzzles are created by Japanese educator Tetsuya Miyamoto set to be the successor to Sudoku.

KenKen puzzles can be solved by combining the four main mathematical functions of addition, subtraction, multiplication and division. To train the brain the puzzles are offered without any instruction. There are important keys to be found but no fixed starting place and no method of progression that can be learnt as a strategy. The brain is forced to dart between competing theories. It’s impossible to solve KenKen puzzles without the scientific process of trial and error and that’s the rational [Read More...]

### DropSum – Online Math Puzzle Game

DropSum is an addictive online math puzzle game created by Nick Harper that takes logic and quick thinking to survive.

The object of DropSum is to take the random numbers you are given and make rows or columns that add up to the number 9. The game board consists of seven columns and seven rows. Place each number in the column of your choice by clicking on it.

Make as many combinations of nine as possible. Once you make a combination that adds up to 9, the numbers that made that combination of 9 [Read More...]

### Matrix – Mathematical Puzzle Game

Matrix is an online mathematical puzzle game by GasGames. This online puzzle game has nothing to do with the movie The Matrix.

Object is to complete the matrix as shown at the screen with the provided figures. If you don’t know (anymore) how matrices works, find your old math book or find some online help like Wikipedia.

Nice math puzzle, but after a view puzzle solved and if you know how matrices works (even the 4×4 and 5×5). But on the other [Read More...]

### Numbrosia – Math Puzzle Game

A few weeks ago I already blogged about a new Number Puzzle Game Numbrosia for your Facebook account. I also mentioned that it would be great to have Numbrosia as an online puzzle game for everybody.

To my surprise I received two weeks later an email from the developer Amir to tell that puzzle game Numbrosia is online and can be played by everybody without any registration.

Update: Numbroisa in not available anymore on Facebook or online, but only for the iPhone and iPod via the iTune store.

In short Numbrosia is a number/slider [Read More...]

### Hexa-Trex Math Puzzles

Today I received an email from Bogusia Gierus about his website with lovely math puzzles he created called Hexa-Trex.

These Hexa-trex math puzzles which can also be used by math teachers to use during their math classes are very interesting and challenging. There are Hexa-trex math puzzles available at the website but there is also a game version available.

The Hexa-trex math puzzles are available in different levels and can be made as complex at you want. Happy Puzzling!

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