Solve Calcudoku's online at https://www.calcudoku.org.If you've never solved a Calcudoku puzzle before,watch this video and you'll be ready to go :)With than...MathDoku Overview. KenKen players love MathDoku, the best free online version of the popular game. Test your number logic skills in games ranging from easy to hard! Play MathDoku online from USA TODAY. MathDoku is a fun and engaging online game. Play it and other games online at games.usatoday.com.Play the best free games on MSN Games: Solitaire, word games, puzzle, trivia, arcade, poker, casino, and more!KenKen players love MathDoku, the best free online version of the popular game. Test your number logic skills in games ranging from easy to hard!The Ultimate CalcuDoku (Mathdoku) Puzzle Book: 500 Clever Ken Puzzles for Adults and Kids, Compact Logical Arithmetic Crossword Puzzles. by VisCulture Publishing | Oct 14, 2020. 4.4 out of 5 stars 9. Paperback. $8.24 $ 8. 24. FREE delivery Thu, Dec 7 on $35 of items shipped by Amazon.MathDoku is licensed under the GPL, and the source code is available for those who want to customize the game.The game was authored by Ben Buxton and Paul Dingemans, with contributions from Pimm Hogeling, Stephen Lee, Alexander Tesfamichael, and Anthony Paul.. Overall, MathDoku is a fun and challenging game that puts a …Playing with Mathematical Sudokus. We are introducing a variation of the well-known Sudoku, by including mathematical constraints which challenge you to apply your knowledge of the four operations. For each grid size, there are four different puzzles, at each of three levels of difficulty, so plenty for you to get stuck into! To introduce the ...For Mathdoku puzzles, you can choose which way round the numbers go. So, in the bottom left we have the clues '3 -' and '3 ÷', it doesn't matter which way round the two numbers go in the cells. (It does of course matter for the general 'Sudoku' rule that each row/column must contain each number once and only once). This is another ...Sudoku and puzzle fans will love Mathdoku+! Simple and challenging, this free brain teaser is unlike anything you’ve played before. Get ready to spend hours of enjoyment along your phone or tablet. With over 700 levels from 3x3 to the mind blowing 9x9, Mathdoku+ is a great game to help you sharpen…The first step with a Mathdoku puzzle is always to enter pencil marks for those cells that don't have many combinations. For example, the top-left cell with the clue '5x' is a great example. There is only way to satisfy that clue, i.e. 1x5 = 5. So we can enter 1 and 5 for the pencil marks for those two cells.WELCOME TO MATHDOKU. At MathDoku you can play this highly addicting logic and math puzzle game. It is available in both online and printable formats for free. Are you up for the challenge?. The games at MathDoku are is loosely similar to killer sudoku and based on the same rules of KENKEN™, an educational puzzle invented by Tetsuya Miyamoto in …Play MathDoku, a variation of Sudoku with math symbols, or try other classic and new games like solitaire, mahjong, and crossword. No download or registration required, just …Rules For Playing KenKen® The numbers you use in a KenKen puzzle depend on the size of the grid you choose. A 3 x 3 grid (3 squares across, 3 squares down) means you use the numbers 1, 2, and 3. Printable 4 by 4 difficult level MathDoku, KenKen like, math puzzles for kids. Click puzzle below for free download. Click puzzle above for free download. Our printable logic and number puzzles are based on Japanese Nikoli puzzles, such as Sudoku, Kakuro and many more. Many of our puzzles involve and stimulate math skills. Our printable logic ... KenKen Mathdoku Challenge - Play Free. KenKen, also known as Mathdoku or Calcudoku, is a math logic puzzle similar to Sudoku. This game is part of the free online brain games collection. To begin, click the Small, Medium, or Large button under the picture of the game. This opens the game in a pop-up window.Mathdoku Challenge! brings an exciting new twist to Sudoku. Step up to the plate and solve problems with your math skills. Face challenging puzzles of varying sizes, leverage the hints you are given, and use logic to find the solution. Mathdoku will stretch your mind, wake you up, and keep you on your toes. Play as many puzzles as you want!Play the best free games on MSN Games: Solitaire, word games, puzzle, trivia, arcade, poker, casino, and more!MathDoku. Learning should be fun and on Wordgames.com you can find lots of games like MathDoku that make practice a joy. Play now one our our best sudoku games! Learn the basic math operations the fun way, with the help of Wordgames.com and MathDoku, in a game that combines mathematics and the classic puzzle experience that sudoku offers.Play the best free games on MSN Games: Solitaire, word games, puzzle, trivia, arcade, poker, casino, and more!Mathdoku is a mathematical and logical puzzle loosely similar to sudoku. It was invented by a Japanese mathematics teacher Tetsuya Miyamoto. The objective is to fill the grid in with the digits 1 …MathDoku. Es una variante de Sudoku al que se le añaden las operaciones básicas matemáticas (suma, resta, multiplicación y división). No se puede repetir ningún número en la misma fila y columna, y los segmentos marcados con trazos más gruesos han de estar ocupados por números que formen la cifra exacta mediante la operación indicada.Mathdoku is a fun and educational math puzzle game that you will find hard to stop playing. The object of the game is to fill in all the blank grid with digits. However, each row and each column can only have one of each digit AND the numbers must match with the total and the equation for its block. See below for more detailed instructions and ...Need a brain challenge? MathDoku adds an extra layer of math to the classic puzzle format. Can you solve this game and get to the AARP Leaderboard?KenKen and KenDoku are trademarked names for a style of arithmetic and logic puzzle invented in 2004 by Japanese math teacher Tetsuya Miyamoto, who intended the puzzles to be an instruction-free method of training the brain. The name derives from the Japanese word for cleverness (賢, ken, kashiko (i)). The names Calcudoku and …Calcudoku, a popular Sudoku variant, was originally invented in 2004 by Japanese math teacher Tetsuya Miyamoto. You can play Calcudoku by Razzle Puzzles on your phone and tablet. Enjoy Calcudoku online or in offline mode! For support please contact us at [email protected] or visit RazzlePuzzles.com.Mathdoku. Well done to everybody who solved these puzzles. We had lots of correct solutions sent in, but we've only included the solutions where children explained their reasoning for how to solve the puzzles. Dhruv from St Anne's Primary School in the UK sent in a picture of his solution to the first puzzle. You can click on the picture below ... Welcome to MathDoku! MathDoku is a math puzzle similar to Sudoku. Your goal is to correctly fill the entire square field with numbers. Fields come in varying sizes: from 3×3 to 9×9. To fill a cell, select it (using a keyboard or mouse), then select the number. You can type the number from the keyboard or use the panel buttons. This Mathdoku belongs to a set, which also contains 4 by 4, 5 by 5 and 6 by 6 grid sizes. If you are considering sending us solutions, we are particularly interested to hear about any elegant strategies you used when you were stuck, and you think are worth sharing. ... Enjoy millions of the latest Android apps, games, music, movies, TV, books, magazines & more. Anytime, anywhere, across your devices. MathDoku is a mathematical and logical puzzle based on KenKen™ and loosely similar to sudoku. Puzzlescan 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. The games at MathDoku are is loosely similar to killer sudoku and based on the same rules of KENKEN™, an educational puzzle invented by Tetsuya Miyamoto in Japan. MathDoku games go by a number of names including KenKen™, KenDoKu™, kenduko, cancan, square wisdom, minuplu, calcudoku, and/or latincalc. MathDoku, or KenKen, math puzzles for kids are great to develop math skills and math teachers gladly incorporate them in the math lessons. It takes both logic and arithmetic skills to solve them. The Rules of MathDoku are the same as KenKen puzzles: 1. Digits may appear only once in each row and columnSzkoła Podstawowa Eureka im. Hypatii z Aleksandrii — ćwiczenia z myśleniaLink do strony Mathdoku @NRICH: https://nrich.maths.org/2795 KenKen players love MathDoku, the best free online version of the popular game. Test your number logic skills in games ranging from easy to hard! MathDoku. Es una variante de Sudoku al que se le añaden las operaciones básicas matemáticas (suma, resta, multiplicación y división). No se puede repetir ningún número en la misma fila y columna, y los segmentos marcados con trazos más gruesos han de estar ocupados por números que formen la cifra exacta mediante la operación indicada.MathDoku is a math puzzle game that combines elements of Sudoku with mathematical operations. Players must fill the square field with numbers, ensuring each number is …Don't worry though, we've provided a calculator that you can use as much as you like without any penalty to your score. About MathDoku. KenKen players love MathDoku, the best free online version of the popular game. Test your number logic skills in games ranging from easy to hard! Top Categories. Newdoku is also referred to Kendoku，Kenken，Newdoku，Calcudoku，and Mathdoku. Newdoku is the most popular calculation game after the success of Sudoku. It is a puzzle game that can help develop brain potential and improve concentrated force. This game was invented by Tetsuya Miyamoto, who is a Japanese teacher, to help children study ... Description. Welcome to MathDoku! MathDoku is a math puzzle similar to Sudoku. Your goal is to correctly fill the entire square field with numbers. Fields come in varying sizes: from 3×3 to 9×9. To fill a cell, select it (using a keyboard or mouse), then select the number. You can type the number from the keyboard or use the panel buttons.Stuck on a Mathdoku (a.k.a Calcudoku, KenKen®) puzzle? This app can help you get unstuck by taking you through the solution steps! - Supports 4x4, 5x5, 6x6, 7x7, 8x8 and 9x9 puzzles; - Features a ... MathDoku Overview. KenKen players love MathDoku, the best free online version of the popular game. Test your number logic skills in games ranging from easy to hard! Play MathDoku online from USA TODAY. MathDoku is a fun and engaging online game. Play it and other games online at games.usatoday.com. Mathdoku is a fun and educational math puzzle game that you will find hard to stop playing. The object of the game is to fill in all the blank grid with digits. However, each row and each column can only have one of each digit AND the numbers must match with the total and the equation for its block. See below for more detailed instructions and ... KenKen players love MathDoku, the best free online version of the popular game. Test your number logic skills in games ranging from easy to hard! MathDoku players also enjoy: See More Games. See All. Mahjongg Solitaire. Mahjongg Candy. Sudoku. Sweet Shuffle. MathDoku Overview. KenKen players love MathDoku, the best free online version of the popular game. Test your number logic skills in games ranging from easy to hard!The first step with a Mathdoku puzzle is always to enter pencil marks for those cells that don't have many combinations. For example, the top-left cell with the clue '5x' is a great example. There is only way to satisfy that clue, i.e. 1x5 = 5. So we can enter 1 and 5 for the pencil marks for those two cells. MathDoku. MathDoku is a game that will challenge and entertain even the most experienced math fanatics! With its simple but complex rules, MathDoku is a great way to sharpen up your math skills while enjoying yourself. It's an easy to learn, yet difficult to master game that requires strategy and mental gymnastics. Members Only. Enjoy millions of the latest Android apps, games, music, movies, TV, books, magazines & more. Anytime, anywhere, across your devices. MathDoku is a puzzle game that challenges your logic and math skills by using arithmetic challenges in each cage to help solve the puzzle. The app has a variety of difficulty levels, a source code license, … Among free sudoku games online there are number puzzles which provide additional challenge. This brain-teaser combines rules of the classic sudoku game and Math puzzles. Not only you have to fill in the grid with numbers unique in their row and line, but also meet the condition of each segment separated by thick borders. Mathdoku is a fun and educational math puzzle game that you will find hard to stop playing. The object of the game is to fill in all the blank grid with digits. However, each row and each column can only have one of each digit AND the numbers must match with the total and the equation for its block. See below for more detailed instructions and ... Play the best free games on MSN Games: Solitaire, word games, puzzle, trivia, arcade, poker, casino, and more!Every Killer Sudoku puzzle only ever has one possible solution, and it can always be reached via reasonable logical deduction. In other words, guessing is never required. Killer Sudoku puzzles on puzzlemix appear at a wide range of sizes and difficulties. Usually they are 6x6, 8x8 or 9x9. In each respective case you must place 1-6, 1-8 or 1-9 ... The first step with a Mathdoku puzzle is always to enter pencil marks for those cells that don't have many combinations. For example, the top-left cell with the clue '5x' is a great example. There is only way to satisfy that clue, i.e. 1x5 = 5. So we can enter 1 and 5 for the pencil marks for those two cells. Mathdoku grids are a motivating context for learners to develop fluency with number bonds, and factors and multiples, as well as providing an opportunity to reason mathematically. Possible approach. The 4 by 4 version of this problem featured in the NRICH Primary and Secondary webinar in October 2022. Don't worry though, we've provided a calculator that you can use as much as you like without any penalty to your score. About MathDoku. KenKen players love MathDoku, the best free online version of the popular game. Test your number logic skills in games ranging from easy to hard! Top Categories. The first step with a Mathdoku puzzle is always to enter pencil marks for those cells that don't have many combinations. For example, the top-left cell with the clue '5x' is a great example. There is only way to satisfy that clue, i.e. 1x5 = 5. So we can enter 1 and 5 for the pencil marks for those two cells. KenKen players love MathDoku, the best free online version of the popular game. Test your number logic skills in games ranging from easy to hard! MathDoku, or KenKen, math puzzles for kids are great to develop math skills and math teachers gladly incorporate them in the math lessons. It takes both logic and arithmetic skills to solve them. The Rules of MathDoku are the same as KenKen puzzles: 1. Digits may appear only once in each row and columnAmong free sudoku games online there are number puzzles which provide additional challenge. This brain-teaser combines rules of the classic sudoku game and Math puzzles. Not only you have to fill in the grid with numbers unique in their row and line, but also meet the condition of each segment separated by thick borders.Printable 4 by 4 easier MathDoku, KenKen like, math puzzles for kids. Click puzzle below for free download. Click puzzle above for free download. Our printable logic and number puzzles are based on Japanese Nikoli puzzles, such as Sudoku, Kakuro and many more. Many of our puzzles involve and stimulate math skills.WELCOME TO MATHDOKU. At MathDoku you can play this highly addicting logic and math puzzle game. It is available in both online and printable formats for free. Are you up for the challenge?. The games at MathDoku are is loosely similar to killer sudoku and based on the same rules of KENKEN™, an educational puzzle invented by Tetsuya Miyamoto in …MathDoku players also enjoy: See More Games. See All. Mahjongg Solitaire. Arkadium's Bubble Shooter. Mahjongg Candy. Block Champ. MathDoku Overview. KenKen players love MathDoku, the best free online version of the popular game. Test your number logic skills in games ranging from easy to hard!To solve the puzzle you must place 1 to 6, or 1 to whatever the size of the puzzle is, once each into every row and column, while also solving each of the bold-lined regions. Look at the solved puzzle on the left. The 11+ region at the top-left must sum to 11, so the 1+6+4 given here is valid. The 8times; on the top row works because 2×4=8 ...NRICH - explore the home of rich mathematicsMathdoku. Well done to everybody who solved these puzzles. We had lots of correct solutions sent in, but we've only included the solutions where children explained their reasoning for how to solve the puzzles. Dhruv from St Anne's Primary School in the UK sent in a picture of his solution to the first puzzle. You can click on the picture below ...Server time: Wednesday 24 April 2024, 3:20:38 Central European Time. Page processing time: 0.045 sec. Page load time sec. sec.MathDoku is a logic based numbers puzzle with one single solution. Play puzzles from 4x4 to 8x8 sizes, with 4 operations types and new puzzles every day. Check for errors, clues and sleep mode. KenKen players love MathDoku, the best free online version of the popular game. Test your number logic skills in games ranging from easy to hard! Cross math game online. Our cross math puzzles for kids are a type of educational activity that combines the principles of traditional crossword puzzles with mathematical concepts. Instead of using words, these crossword maths puzzles use mathematical equations, operations, and numerical answers to fill in the grid.MathDoku. Es una variante de Sudoku al que se le añaden las operaciones básicas matemáticas (suma, resta, multiplicación y división). No se puede repetir ningún número en la misma fila y columna, y los segmentos marcados con trazos más gruesos han de estar ocupados por números que formen la cifra exacta mediante la operación indicada.Play MathDoku and enjoy a a mix of classic sudoku games and math puzzles free online. People in Ukraine wanted peace, but war came to their home. Learn how you can help: ua-aid-centers.comMathdoku is a logic game based on Sudoku, where you have to fill in numbers and symbols to make a target number in each section. Learn the rules, play daily puzzles, and compare your score with other players on …Mathdoku grids are a motivating context for learners to develop fluency with number bonds, and factors and multiples, as well as providing an opportunity to reason mathematically. Possible approach. The 4 by 4 version of this problem featured in the NRICH Primary and Secondary webinar in October 2022.Printable 4 by 4 difficult level MathDoku, KenKen like, math puzzles for kids. Click puzzle below for free download. Click puzzle above for free download. Our printable logic and number puzzles are based on Japanese Nikoli puzzles, such as Sudoku, Kakuro and many more. Many of our puzzles involve and stimulate math skills. Our printable logic ...Mathdoku is free Puzzle game, developed by Verschueren Geert. Latest version of Mathdoku is 1.11, was released on 2019-08-23 (updated on 2024-01-16). Estimated number of the downloads is more than 1,000. Overall rating of Mathdoku is 3,6. Generally most of the top apps on Android Store have rating of 4+.MathDoku is licensed under the GPL, and the source code is available for those who want to customize the game.The game was authored by Ben Buxton and Paul Dingemans, with contributions from Pimm Hogeling, Stephen Lee, Alexander Tesfamichael, and Anthony Paul.. Overall, MathDoku is a fun and challenging game that puts a … How to Play MathDoku. All the same rules as standard sudoku apply, but segments are now unique to each puzzle instead of always being nonets. This spin on the game tests your arithmetic skills by adding target numbers with operators in the top left corner of each segment. MathDoku Overview. KenKen players love MathDoku, the best free online version of the popular game. Test your number logic skills in games ranging from easy to hard! Play MathDoku online from USA TODAY. MathDoku is a fun and engaging online game. Play it and other games online at games.usatoday.com. MathDoku players also enjoy: See More Games. See All. Mahjongg Solitaire. Arkadium's Bubble Shooter. Mahjongg Candy. Block Champ. MathDoku Overview. KenKen players love MathDoku, the best free online version of the popular game. Test your number logic skills in games ranging from easy to hard! The first step with a Mathdoku puzzle is always to enter pencil marks for those cells that don't have many combinations. For example, the top-left cell with the clue '5x' is a great example. There is only way to satisfy that clue, i.e. 1x5 = 5. So we can enter 1 and 5 for the pencil marks for those two cells. Play the best free games on MSN Games: Solitaire, word games, puzzle, trivia, arcade, poker, casino, and more!This Mathdoku belongs to a set, which also contains 3 by 3, 4 by 4 and 5 by 5 grid sizes. If you are considering sending us solutions, we are particularly interested to hear about any elegant strategies you used when you were stuck, and you think are worth sharing.A simple KenKen puzzle, with answers filled in as large numbers. KenKen and KenDoku are trademarked names for a style of arithmetic and logic puzzle invented in 2004 by Japanese math teacher Tetsuya Miyamoto, [1] who intended the puzzles to be an instruction-free method of training the brain. [2] The name derives from the Japanese …NRICH - explore the home of rich mathematicsTo solve the puzzle you must place 1 to 6, or 1 to whatever the size of the puzzle is, once each into every row and column, while also solving each of the bold-lined regions. Look at the solved puzzle on the left. The 11+ region at the top-left must sum to 11, so the 1+6+4 given here is valid. The 8times; on the top row works because 2×4=8 ...MathDoku, or KenKen, math puzzles for kids are great to develop math skills and math teachers gladly incorporate them in the math lessons. It takes both logic and arithmetic skills to solve them. The Rules of MathDoku are the same as KenKen puzzles: 1. Digits may appear only once in each row and columnMATHDOKU is a puzzle game similar to Sudoku, but with a bit altered rules. Your goals is to fill the grid with numbers, with each number only being used once per row and column. Groups of cells are outlined as segments, and numbers in the cells within a segment must coordinate with the number and operator. MathDoku. MathDoku is a game that will challenge and entertain even the most experienced math fanatics! With its simple but complex rules, MathDoku is a great way to sharpen up your math skills while enjoying yourself. It's an easy to learn, yet difficult to master game that requires strategy and mental gymnastics. Members Only.
How to Play MathDoku. All the same rules as standard sudoku apply, but segments are now unique to each puzzle instead of always being nonets. This spin on the game tests your arithmetic skills by adding target numbers with operators …. Spades online free games
MathDoku. MathDoku is a game that will challenge and entertain even the most experienced math fanatics! With its simple but complex rules, MathDoku is a great way to sharpen up your math skills while enjoying yourself. It's an easy to learn, yet difficult to master game that requires strategy and mental gymnastics. Members Only. The first step with a Mathdoku puzzle is always to enter pencil marks for those cells that don't have many combinations. For example, the top-left cell with the clue '5x' is a great example. There is only way to satisfy that clue, i.e. 1x5 = 5. So we can enter 1 and 5 for the pencil marks for those two cells.Mathdoku (Same as KENKEN) is an instruction-free Puzzle for training the brain.As in Sudoku, the goal of each puzzle is to fill a grid with digits –– 1 throu... Newdoku is also referred to Kendoku，Kenken，Newdoku，Calcudoku，and Mathdoku. Newdoku is the most popular calculation game after the success of Sudoku. It is a puzzle game that can help develop brain potential and improve concentrated force. This game was invented by Tetsuya Miyamoto, who is a Japanese teacher, to help children study ... Mathdoku (Same as KENKEN) is an instruction-free Puzzle for training the brain.As in Sudoku, the goal of each puzzle is to fill a grid with digits –– 1 throu...A simple KenKen puzzle, with answers filled in as large numbers. KenKen and KenDoku are trademarked names for a style of arithmetic and logic puzzle invented in 2004 by Japanese math teacher Tetsuya Miyamoto, [1] who intended the puzzles to be an instruction-free method of training the brain. [2] The name derives from the Japanese …Description. Welcome to MathDoku! MathDoku is a math puzzle similar to Sudoku. Your goal is to correctly fill the entire square field with numbers. Fields come in varying sizes: from 3×3 to 9×9. To fill a cell, select it (using a keyboard or mouse), then select the number. You can type the number from the keyboard or use the panel buttons.MathDoku Overview. KenKen players love MathDoku, the best free online version of the popular game. Test your number logic skills in games ranging from easy to hard! KenKen players love MathDoku, the best free online version of the popular game. Test your number logic skills in games ranging from easy to hard! How to Play MathDoku. All the same rules as standard sudoku apply, but segments are now unique to each puzzle instead of always being nonets. This spin on the game tests your arithmetic skills by adding target numbers with operators in the top left corner of each segment. The numbers in the segment must produce the exact target based on the ... #dailymentalmathactivities #mathdoku #mentalmathactivities #itstartsathome #dailyactivities #mathactivities11 super easy hands on Mental Math based Addition/...Mar 28, 2024 · The first step with a Mathdoku puzzle is always to enter pencil marks for those cells that don't have many combinations. For example, the top-left cell with the clue '5x' is a great example. There is only way to satisfy that clue, i.e. 1x5 = 5. So we can enter 1 and 5 for the pencil marks for those two cells. Mathdoku is a task that challenges you to fill a four by four grid with numbers from 1 to 4, such that each row and column has only one of each number. You need to use the …MathDoku. Es una variante de Sudoku al que se le añaden las operaciones básicas matemáticas (suma, resta, multiplicación y división). No se puede repetir ningún número en la misma fila y columna, y los segmentos marcados con trazos más gruesos han de estar ocupados por números que formen la cifra exacta mediante la operación indicada.I've noticed this is mathdoku puzzles. Did you find this helpful? Yes. No. PuzzleMadness. November 20, 2023. Hi, we've fixed this problem in Mathdoku puzzles in version 38/1.38 - I think we noticed it at the same time. If you spot any more problems, please let us know either in a review or contact us directly.For Mathdoku puzzles, you can choose which way round the numbers go. So, in the bottom left we have the clues '3 -' and '3 ÷', it doesn't matter which way round the two numbers go in the cells. (It does of course matter for the general 'Sudoku' rule that each row/column must contain each number once and only once). This is another ...Solve Calcudoku's online at https://www.calcudoku.org.If you've never solved a Calcudoku puzzle before,watch this video and you'll be ready to go :)With than...Mathdoku 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 learned as a strategy.KenKen players love MathDoku, the best free online version of the popular game. Test your number logic skills in games ranging from easy to hard!Mathdoku. Well done to everybody who solved these puzzles. We had lots of correct solutions sent in, but we've only included the solutions where children explained their reasoning for how to solve the puzzles. Dhruv from St Anne's Primary School in the UK sent in a picture of his solution to the first puzzle. You can click on the picture below ... MathDoku is a mathematical and logical puzzle based on KenKen™ and loosely similar to sudoku. Puzzlescan 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. .