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 ...Play all of your favourite games online for free, including Solitaire, Crosswords, Word Games and more! From Daily Mail.Mathdoku 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 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 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 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. Enjoy millions of the latest Android apps, games, music, movies, TV, books, magazines & more. Anytime, anywhere, across your devices. 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 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 approach 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 ... 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 ... 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.Szkoła Podstawowa Eureka im. Hypatii z Aleksandrii — ćwiczenia z myśleniaLink do strony Mathdoku @NRICH: https://nrich.maths.org/2795Mathdoku. Share. The numbers 1 to 3 appear in every row and in every column. You never need to guess! There is always a way forward that can be worked out. Help! Show me a …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. 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 a logic based numbers puzzle with one single solution. How to play? • Each row or column does not have numbers repeated. • Each dotted area (cage) digits must result in the left up total. • Possible numbers for each cell are 1 to grid size. • We recommend starting with practice level!Daily Extra Large Mathdoku Puzzle Saturday 13th January 2024. Daily puzzle Archive Rules. Difficulty: SCORE: [R]eset Puzzle [S]ave Puzzle Create [P]encil Marks ⚙ Settings Print version Actions: ⎌ ⎌ Mathdoku leaderboard. All-time ...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. 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. 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 ... 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. 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 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!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.How to play Mathdoku on Windows? Instruction on how to play Mathdoku on Windows 10 Windows 11 PC & Laptop. In this post, I am going to show you how to install Mathdoku on Windows PC by using Android App Player such as BlueStacks, LDPlayer, Nox, KOPlayer, .... Before you start, you will need to download the APK/XAPK installer …Szkoła Podstawowa Eureka im. Hypatii z Aleksandrii — ćwiczenia z myśleniaLink do strony Mathdoku @NRICH: https://nrich.maths.org/2795 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. 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. 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!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. 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. 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 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 (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 Demonstration. Mathematical Sudokus are a variation of the well-known Sudokus. For an introduction on how to use the mathematical clues that are offered, and possible strategies that might help you complete the puzzles, take a look at Liz and Charlie working on a Mathdoku in the video below.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.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 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. Sudoku is one of our top categories of classic puzzles and we have everything you could want, from Sudoku to MathDoku — a KenKen type puzzle that adds a fun twist to the classic Sudoku game. And we’ve got plenty of other great free puzzles that you can try. So, no matter what type of puzzle games you like, our classic collection has you ... 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..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 ...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. 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 ... How to play Mathdoku on Windows? Instruction on how to play Mathdoku on Windows 10 Windows 11 PC & Laptop. In this post, I am going to show you how to install Mathdoku on Windows PC by using Android App Player such as BlueStacks, LDPlayer, Nox, KOPlayer, .... Before you start, you will need to download the APK/XAPK installer …This Mathdoku belongs to a set, which also contains 3 by 3, 4 by 4 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. 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. 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 …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 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!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.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 columnWELCOME 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 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 …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: }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.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 + 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…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×.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 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 …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 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 uses code.google.com to host the source code repository. You can grab the source code, and start hacking right away. Localisation. If you can converse in a language that MathDoku doesn't speak yet, you can provide a localisation which will be included in the game. See translations for more information.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. ...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 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! 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. 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. 2÷.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.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. 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. 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. Szkoła Podstawowa Eureka im. Hypatii z Aleksandrii — ćwiczenia z myśleniaLink do strony Mathdoku @NRICH: https://nrich.maths.org/2795Mathdoku 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: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. 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. A collection of videos used on the nrich.maths.org websiteMathdoku. 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 (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...Play our daily 16×16 Giant Sudoku! Thousands more printable puzzles in the archive!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...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 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.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 ...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 …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. 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 …. Google nest video doorbell
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: }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 ...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 … 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. 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;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 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. How to Play KenKen - A Super Simple Lesson Fully Explained. also called Kendoku, Calcudoku and Mathdoku KenKen and KenDoku are trademarked names for a style...MathDoku (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.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.Get Mathdoku old version APK for Android. Download. About Mathdoku. English. Endless and addictive mathbased puzzle fun. Try to solve the math based puzzles while keeping these rules in mind... The math for each group should be correct. A value can not reappear in the same row.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…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.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..