Kendoku online

Newdoku is the most popular calculation game after the success of Sudoku.

Link to this puzzle: by game ID longer, more stable by random seed shorter, less stable. Fill in the grid with numbers from 1 to the grid size, so that every number appears exactly once in each row and column like in Sudoku , and so that all the arithmetic clues are satisfied. Unlike in Sudoku, numbers may be repeated within a region. To place a number, click in a square to select it, then type the number on the keyboard. To erase a number, click to select a square and then press Backspace. Right-click in a square and then type a number to add or remove the number as a pencil mark, indicating numbers that you think might go in that square.

Kendoku online

Want KenKen Ad-Free? We would love to provide everyone an ad-free experience, but we do need to generate revenue to cover at least some of our overhead. We're trying to be as reasonable as possible, and it also allows us to continue to offer you an option to access KenKen puzzles for free. For those who prefer an Ad-Free playing experience, we have an option for just pennies-a-day and it can be canceled anytime. Please consider this option for the best experience. In addition, we continue to offer -- pro bono -- our KenKen Classroom Program which provides free KenKen puzzles and lessons to over 1 million students weekly. Revenue we raise from advertisements and subscription sales allow us to keep the program going, plain and simple. So thank you for supporting these teachers and students by supporting us. We all appreciate it. Resume a saved puzzle. Fun, addicting, yet educational. 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. In a 4 x 4 grid, use numbers 1 to 4.

About Newdoku.

Want KenKen Ad-Free? We would love to provide everyone an ad-free experience, but we do need to generate revenue to cover at least some of our overhead. We're trying to be as reasonable as possible, and it also allows us to continue to offer you an option to access KenKen puzzles for free. For those who prefer an Ad-Free playing experience, we have an option for just pennies-a-day and it can be canceled anytime. Please consider this option for the best experience.

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 arithmetic. Each puzzle is an NxN grid. Several adjacent cells can form a group. The boundaries of each group are marked using rough outlines. One of grids in each group will indicate calculation rules for this group. Fill in the NxN grid with numbers 1-N complying with operation.

Kendoku online

Want KenKen Ad-Free? We would love to provide everyone an ad-free experience, but we do need to generate revenue to cover at least some of our overhead. We're trying to be as reasonable as possible, and it also allows us to continue to offer you an option to access KenKen puzzles for free. For those who prefer an Ad-Free playing experience, we have an option for just pennies-a-day and it can be canceled anytime. Please consider this option for the best experience. In addition, we continue to offer -- pro bono -- our KenKen Classroom Program which provides free KenKen puzzles and lessons to over 1 million students weekly. Revenue we raise from advertisements and subscription sales allow us to keep the program going, plain and simple.

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Or, to just enter a number in a square, press that number on the keyboard no shift. Reset: Deletes all numbers you've filled in the grid. Undo: Deletes your last move. Why are there ads? Cages with just one square should be filled in with the target number in the top corner. You'll find lots of cool extra features. A "number ring" appears with that grid's possible numbers. Cool math games. When you fill in a number in a square by selecting from the number ring , any notes in that square will disappear. A number can be repeated within a cage as long as it is not in the same row or column. These numbers will also show up on the left side above the grid as the "Notes" box. We all appreciate it. Hey, who knows. No matter what you're looking for — learning or fun — KenKen. Free online puzzles.

Hey look! New puzzle varieties: Troix a new kind of Binox Split Ends a distant relative of Binox Triple Cross new cross-figure puzzles Circle 9 A new addictive puzzle that resembles a Sudoku, but isn't! My pet giraffe has strep throat!

We would love to provide everyone an ad-free experience, but we do need to generate revenue to cover at least some of our overhead. All puzzles on Newdoku. In the number ring, click the red eraser icon to clear the square. They'll show up smaller in the square. Check out our Will Shortz Presents books. Just click the one you want in the number ring. Free online puzzles. Please consider this option for the best experience. Grab your mouse and get ready! Perhaps you have Javascript disabled, or perhaps your browser doesn't provide a feature that the puzzle code requires such as typed arrays. Level: Shows which of the five difficulty levels the puzzle is: Easiest, Easy, Medium, Hard, under puzzle settings if you have an account. Narrowed it down to a couple of numbers but still not totally sure?