What is Newdoku?
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 arithmetic.
- How to play newdoku ?
- Newdoku rules
- How to print newdoku puzzles
- How to find out solutions
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. No number is repeated in any row and column. At the same time, the calculation rules of each group should also be satisfied.
Newdoku.com is an professional online game website, where you can play high-quality kenken, including kendoku puzzles from 3x3,4x4,5x5,6x6 to 9x9 size with five difficulty levels.
All puzzles on Newdoku.com can be printed. You can download and print the PDF. We will update PDF documents occasionally.
All puzzles are specially designed by humans. The only key to the puzzles is got by thinking logically without guessing.
Printable Calcudoku puzzles (Daily update)
This website will provide you printable Newdoku puzzles, we daily update 4 puzzles per page including solutions. We recommend using a A4 paper.
3X3 Calcudoku puzzles
4X4 Calcudoku puzzles5X5 Calcudoku puzzles6X6 Calcudoku puzzles7X7 Calcudoku puzzles8X8 Calcudoku puzzles9X9 Calcudoku puzzles
|Only includes addition|| Easiest |
|Only includes addition and subtraction|| Easiest |
|Only includes multiplication and division|| Easiest |
|Includes addition, subtraction, multiplication and division|| Easiest |
Have fun on Newdoku.com!