MathDoku provides a refreshing and intellectually stimulating take on traditional Sudoku, offering players a mathematical challenge with varying puzzle sizes and difficulties. With the added complexity of segments and operations, MathDoku is a delightful puzzle experience that rewards both logical thinking and mathematical prowess. 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 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!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. 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. 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 …Slots: Hollywood Dreams. Atari & Retro, Arcade. Snake. MEMBERS ONLY. Space Adventure Pinball. Space Adventure Pinball. MEMBERS ONLY. On this page is a listing of all the online games and puzzles available for you to …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.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.Play tons of games and quizzes at USA TODAY. With a wide variety of online web games there's something for everyone.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 …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! 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! 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 …Choose from over 150,000 puzzles. Sudoku, Nonograms, Hashi, Network, Nurikabe, Minesweeper and more!Szkoła Podstawowa Eureka im. Hypatii z Aleksandrii — ćwiczenia z myśleniaLink do strony Mathdoku @NRICH: https://nrich.maths.org/2795MathDoku (also known as KenKen) is a game similar to Sudoku, but with different rules involving maths. Why one solver for both? I had made a Sudoku solver, with the rules incorporated inside the solving algorithm. When I heard of MathDoku (via F-Droid), I could not do the same because there are different rules.Medium Mathdoku 2024 archive. Dates in green are puzzles you've done. Dates in amber are puzzles you've done, but not achieved the maximum score. Dates in blue are puzzles you've started. Dates in red are puzzles you've not done . Year: } Difficulty: }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 is a logic puzzle game where you fill a grid with numbers from 1 to 4 or 5, following certain rules and targets. Learn how to play, download the app, and choose …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 grids are a motivating context for learners to develop fluency with number bonds, factors and multiples, as well as providing an opportunity for learners to reason mathematically. Having experience of creating chains of reasoning provides an excellent basis on which to create proofs. Possible approachMathDoku. 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 ...Szkoła Podstawowa Eureka im. Hypatii z Aleksandrii — ćwiczenia z myśleniaLink do strony Mathdoku @NRICH: https://nrich.maths.org/2795Solve 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...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 ...About this game. Mathdoku (known as KenKen, Calcudoku) is an arithmetic puzzle that combines elements of sudoku and math. The rules of Mathdoku are …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 puzzles are highly addictive Be careful; MathDoku may look difficult at first glance but once you recognize the operation combinations and you understand the logic, toy will get hooked to these little math critters. We offer Mathdoku in 3 grid sizes, so start with the smallest and work your way up. Mathdoku is a logic puzzle game where you fill a grid with numbers from 1 to 4 or 5, following certain rules and targets. Learn how to play, download the app, and choose …9 by 9 MathDoku Puzzles. Fill in the numbers 1 to 9 in such that each number appears only once in each row and colum. The grid is divided in so called cages with operators and target numbers. The numbers in each cages must produce the target number by using the operator of that cage. 36×.MathDoku. By: HHC Publications, United States. Summary. MathDoku. 100 page 7x10.5 inches quarterly magazine containing 150 SingleOp, DualOp and QuadOp CalcuDoku puzzles in very easy to hard difficulty levels. About. Media: Magazine; Released: July 2009; Frequency: 4 per year;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.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.See full list on mathdoku.com 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. 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.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.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...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!The cells of the generated/loaded Mathdoku grid can be entered and cleared via keyboard and/or mouse. At any time, the currently selected cell will be shown in red. Via Keyboard. Select the cell you wish to edit with the mouse (If a cell is already selected, the arrow keys can be used to navigate the grid). Entering Values: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 instantly online. MathDoku is a fun and engaging Online game from Evening Standard. Play it and other games from The Evening Standard.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 ...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.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?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.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 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.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.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 ...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..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.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 instantly online. MathDoku is a...Server time: Wednesday 24 April 2024, 3:20:38 Central European Time. Page processing time: 0.045 sec. Page load time sec. sec. 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. 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 columnI'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 ...How To Solve Kenken - A 5x5 Puzzle in 5 Minutesalso called Kendoku, Calcudoku and Mathdoku KenKen and KenDoku are trademarked names for a style of arithmetic...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 instantly online. MathDoku is a fun and engaging Online game from Evening Standard. Play it and other games from The Evening Standard. 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. Enjoy millions of the latest Android apps, games, music, movies, TV, books, magazines & more. Anytime, anywhere, across your devices. 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! 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. 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 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 SudokuAmong 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.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. Jimmy wants to make sure you enjoy the game. He'll adapt to make it a little easier, or a little harder, depending on how you play. Try playing an online chess game against a top chess computer. You can set the level from 1 to 10, from easy to grandmaster. If you get stuck, use a hint or take back the move. When you are ready to play games with ... NRICH - explore the home of rich mathematicsKenKen 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 …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 ... 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.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 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 … 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. 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 ... #dailymentalmathactivities #mathdoku #mentalmathactivities #itstartsathome #dailyactivities #mathactivities11 super easy hands on Mental Math based Addition/...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... 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 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 instantly online. MathDoku is a fun and engaging Online game from The Independent. Play it and other games from The Independent.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 all of your favourite games online for free, including Solitaire, Crosswords, Word Games and more! From Daily Mail.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.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 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 instantly online. MathDoku is a fun and engaging Online game from Evening Standard. Play it and other games from The Evening Standard.Extra Large Mathdoku 2024 archive. Dates in green are puzzles you've done. Dates in amber are puzzles you've done, but not achieved the maximum score. Dates in blue are puzzles you've started. Dates in red are puzzles you've not done . Year: }
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.. Mynba2k
MathDoku is a great printable puzzle that combines arithmetic and math skills with logic reasoning. The rules are the same as those of the famous KenKen en KenDoku puzzles. Click here to go to our printable Mathdoku download page. 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 ... 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 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. 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. 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 …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 …Screenshots of Killer Sudoku. The king of sudokus, perfect for brain training! Killer Sudoku (aka Sumdoku / Mathdoku) is a Sudoku variant where cells are grouped into cages and the sums of the values in each cage are given. Once you know Killer, you will never go back to …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 …See full list on mathdoku.com 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!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.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.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. 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 puzzles are highly addictive Be careful; MathDoku may look difficult at first glance but once you recognize the operation combinations and you understand the logic, toy will get hooked to these little math critters. We offer Mathdoku in 3 grid sizes, so start with the smallest and work your way up. .