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. 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. Instantly play your favorite free online games including card games, puzzles, brain games & dozens of others, brought to you by Washington Post. This Mathdoku Editor allows you to create your own Mathdokus. Clicking on the purple cog in the top right corner allows you to choose the grid size. If you are not familiar with the Mathdoku Editor, you may like to start by watching this introductory video. Once you have created your own Mathdoku, click on the 'Share' button and paste the code ... The Rules of MathDoku are the same as KenKen puzzles: 1. Digits may appear only once in each row and column. Similar to Sudoku, digits may only appear once in each row and column. In the 4 by 4 puzzle, these are the digits 1 to 4, in the 6 by 6 MathDoku the digits 1 to 6 and in the 9 by 9 the digits up to 9. 2. 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!Jan 30, 2024 · 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 through N (where N is the number of rows or columns in the grid) such that: Each row contains exactly one of each digit. 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.Mathdoku is a mathematical and logical puzzle loosely similar to sudoku. 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 through N (where N is the number of rows or columns in the grid) such that: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 Editor Demonstration. Age 7 to 16. Mathematical Sudokus are a variation of the well-known Sudokus. For an introduction on how to create your own Mathdokus, take a look at Liz and Charlie using the Mathdoku Editor in the video below.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 …When you start this Mathdoku app, The Back-Key of your Samsung phone becomes inoperative.. (when you turn Mathdoku off, the back-key works again). you need the back-key in order to make calculations, like finding the factors of a large number.. 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. 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...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.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.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...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.Winter 2023. The Krazydad Discord Community is a new place where you can talk to me, and meet other people who are interested in puzzles. A great place to report problems or mistakes with this website, suggest new features, help me brainstorm and test out new puzzles, get periodic announcements from me, or discuss other deep thoughts.MathDoku Extended is a puzzle game developed by Klokisoft for Android devices. This game is a unique combination of the popular MathDoku game and a calculator, offering an enhanced gaming experience. Based on the open-source implementation of the well-known sudoku-like game, MathDoku Extended introduces several improvements over the original.How to play. This is an example of a completed Killer Sudoku puzzle. The grid is split up in to cages; each cage contains 2 or more cells, and has a total in the top-left corner. The cells in each cage must add up to the given total. As an example, the cage in the top-left of this puzzle contains three cells, and they must add up to 17.Play all of your favourite games online for free, including Solitaire, Crosswords, Word Games and more! From Daily Mail.MATHDOKU 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.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.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 (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...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.See full list on mathdoku.com 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 1.5a APK download for Android. Mathdoku is an arithmetic puzzle that combines elements of sudoku and math.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!Choose from over 150,000 puzzles. Sudoku, Nonograms, Hashi, Network, Nurikabe, Minesweeper and more!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 ...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, 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 columnIntroducing Mathematical Sudokus. We are introducing a variation of the well-known Sudoku, by including mathematical constraints which challenge students to apply their knowledge of the four operations. For each grid size, there are four different puzzles, at each of three levels of difficulty, so plenty for your students to get stuck into! To ... This Mathdoku belongs to a set, which also contains 3 by 3, 5 by 5 and 6 by 6 grid sizes. If you would prefer to work away from the computer, you can print out these grids: Mathdoku grids of difficulty 1, Mathdoku grids of difficulty 2, Mathdoku grids of difficulty 3. 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.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 ...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.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. 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. Winter 2023. The Krazydad Discord Community is a new place where you can talk to me, and meet other people who are interested in puzzles. A great place to report problems or mistakes with this website, suggest new features, help me brainstorm and test out new puzzles, get periodic announcements from me, or discuss other deep thoughts. MathDoku gebruikt code.google.com voor het hosten van de broncode repository. Je kunt de broncode ophalen, en direct beginnen met hacken. Localisatie. Als je kunt babbelen in een taal die MathDoku nog niet spreekt, kun je een localisatie opsturen die dan in het spel zal worden opgenomen. Lees translations voor meer informatie. Jun 8, 2023 · Mathdoku is a free puzzle game available on Android developed by Verschueren Geert. The game is categorized under Puzzle games and is a perfect combination of math and puzzles. The objective of the game is to solve math-based puzzles while keeping certain rules in mind. The math for each group should be correct, a value cannot reappear in the ... 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 Extended integrates MathDoku and Killer Sudoku with calculator! The game is based on the famous open source implementation of a well known sudoku-like games which uses a little math. Our extension has several improvements over the original: - on the same board you can play both Mathdoku and Killer SudokuMathDoku 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!MathDoku players also enjoy: See More Games. See All. Pyramid Solitaire. Block Champ. Addiction Solitaire. Daily Word Search. 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!MathDoku Extended is a puzzle game developed by Klokisoft for Android devices. This game is a unique combination of the popular MathDoku game and a calculator, offering an enhanced gaming experience. Based on the open-source implementation of the well-known sudoku-like game, MathDoku Extended introduces several improvements over the original.Introducing Mathematical Sudokus. We are introducing a variation of the well-known Sudoku, by including mathematical constraints which challenge students to apply their knowledge of the four operations. For each grid size, there are four different puzzles, at each of three levels of difficulty, so plenty for your students to get stuck into! To ...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 ...Server time: Wednesday 24 April 2024, 3:20:38 Central European Time. Page processing time: 0.045 sec. Page load time sec. sec.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.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!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!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. ...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 ... 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! MathDoku is a free online math puzzle game, much like Sudoku, but is more of a challenge to complete. See if you can conquer it today at Dictionary.com! We recommend that you install the F-Droid client and use that. Download F-Droid. Version 1.96.2 (281) suggested Added on Jun 19, 2013. This version requires Android 1.6 or newer. It is built and signed by F-Droid, and guaranteed to correspond to this source tarball . Permissions.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 ...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. 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 word for ... 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. 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!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 ... 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 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. 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 columnDec 18, 2022 · Mathdoku is an arithmetic puzzle that combines elements of sudoku and math. MathDoku players also enjoy: See More Games. See All. Crystal Collapse. Arkadium's Bubble Shooter. 10x10. Mahjongg Candy Cane. 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!Mathdoku. Age 7 to 11. Challenge Level. Problem. Getting Started. Student Solutions. Teachers' Resources. Are there any 'cages' which are single cells? The labels for these squares simply tell you the number inside the square, so that can be a good starting point.Play our daily 16×16 Giant Sudoku! Thousands more printable puzzles in the archive!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 ... 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 (also called KenKen® and Calcudoku) is a math and logic puzzle similar to Sudoku. In Simple MathDoku, in addition to being able to note candidates for each cell, you can also note combinations of candidates for each cage. By using the cage note feature, you can solve high difficulty level puzzles more easily. Mathdoku (also called ...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 columnWinter 2023. The Krazydad Discord Community is a new place where you can talk to me, and meet other people who are interested in puzzles. A great place to report problems or mistakes with this website, suggest new features, help me brainstorm and test out new puzzles, get periodic announcements from me, or discuss other deep thoughts.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 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.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.
Free Calcudoku Puzzles. Here are hundreds of free Calcudoku puzzles suitable for printing. Inkies have the same rules as the famous puzzles created by Tetsuya Miyamoto. They are various called KenKen®, Calcudoku, Mathdoku, and Web Kendoku. Each Inky puzzle has only one unique solution.. Miami to sfo
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. Pyramid Solitaire. Block Champ. Addiction Solitaire. Daily Word Search. 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 ... 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. 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 ...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 ...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.Free Calcudoku Puzzles. Here are hundreds of free Calcudoku puzzles suitable for printing. Inkies have the same rules as the famous puzzles created by Tetsuya Miyamoto. They are various called KenKen®, Calcudoku, Mathdoku, and Web Kendoku. Each Inky puzzle has only one unique solution.Jan 30, 2024 · 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 through N (where N is the number of rows or columns in the grid) such that: Each row contains exactly one of each digit. MathDoku players also enjoy: See More Games. See All. Sudoku. Mahjongg Solitaire. Sweet Shuffle. Mahjongg Dimensions. 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!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...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. MathDoku, known also under the name 'KenKen', is an interesting grid game. The rules are in a way similar to the Sudoku, however, you are also required to put a bit more thought into it as it requres you do simple maths. Like in the Sudoku, you have to fill each of the columns and rows with the numbers 1 to n, where n is the length of ...Mathdoku + Calcudoku is arithmetic and logic puzzle similar to Sudoku and based on rules of Kendoku ® and KenKen ® Fill the grid so that each row and column only have one of each available number (1 to N). The table is separated into groups that are calculated together. Each group's total is dis…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 …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.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.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.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 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! MathDoku is a free online math puzzle game, much like Sudoku, but is more of a challenge to complete. See if you can conquer it today at Dictionary.com! .