Kakuro is the latest Japanese puzzle craze. If you like Sudoku , or are tired of it, Kakuro is for you! The principle is very simple. Fill each cell in the grid with a single digit such that each row or column has the indicated sum without repeating a digit. Log in Facebook.

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Kakuro is the latest Japanese puzzle craze. If you like Sudoku , or are tired of it, Kakuro is for you! The principle is very simple. Fill each cell in the grid with a single digit such that each row or column has the indicated sum without repeating a digit. Log in Facebook. No account yet? Create an account. We use cookies to make wikiHow great. By using our site, you agree to our cookie policy.

Article Edit. Learn why people trust wikiHow. Author Info Updated: October 14, To create this article, 17 people, some anonymous, worked to edit and improve it over time. This article has been viewed 61, times. Learn more Explore this Article Steps. Tips and Warnings. Things You'll Need. Related Articles. Look for rows or columns that can only be made with one combination of digits. You'll still have to somehow determine the correct order, but knowing exactly which digits appear in that row is a great start.

Triangular numbers: 3 in 2 cells, 6 in 3, 10 in 4, 15 in 5, 21 in 6, 28 in 7, 36 in 8, and 45 in 9. Triangular numbers plus one: 4 in 2, 7 in 3, 11 in 4, 16 in 5, 22 in 6, 29 in 7, and 37 in 8. Look for cells that can only take one digit after considering both their row and column restrictions.

For example, suppose a 23 in 3 intersects a 28 in 7. The only digit in common is a 6, so that must be in the intersection. Find the maximum and minimum digits that could be in any row or column. The triangular numbers are again critical for this step. Compare these restrictions with those in the crossing rows. For example, if the above 27 in 4 crossed a 7 in 3, we could conclude that the cell in the intersection contained a 4. If a row or column must contain a certain digit, look for where in that row or column it could go.

Continually reevaluate these steps as you discover new information. Include your email address to get a message when this question is answered. Be aware that some numbers only have one possible solution - a two-digit 16 can only be made with a 9 and a 7; so if it crosses a two-digit 17, the intersecting number MUST be a 9, as the 17 can only be made with a 9 and an 8.

Helpful 1 Not Helpful 0. Helpful 0 Not Helpful 0. Submit a Tip All tip submissions are carefully reviewed before being published. Loud work spaces make it confusing. Related wikiHows. Co-authors: Updated: October 14, Categories: Mathematical Puzzles. Thanks to all authors for creating a page that has been read 61, times. Did this article help you?

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## Solve Kakuro puzzles

Five Beginner and Intermediate Kakuro Solving Strategies If you are a Kakuro player, then you know that it can be quite a challenging type of puzzle if not harder than Sudoku. The object of the puzzle is to fill the white boxes with the correct digits that add up to the sum listed in the triangular box. For example, a row of three blocks with a sum of 10 on the end could be , , or several patterns of numbers. There are a few key rules in playing: There are no zeroes in the puzzle only 1 to 9. No digit is repeated within any sum group. The order for a string of numbers may vary. For a sum of 6, you may use: , , , , , or

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## Kakuro techniques

The task in Kakuro puzzles is to fill all empty squares using numbers 1 to 9 so the sum of each horizontal block equals the clue on its left, and the sum of each vertical block equals the clue on its top. In addition, no number may be used in the same block more than once. The best way to learn how to solve Kakuro puzzles is to see how a puzzle is solved from beginning to end. Kakuro puzzles are all about special number combinations.

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## Tips and tricks: easy ways to solve Kakuro

Kakuro puzzles are regular features in many math-and-logic puzzle publications across the world. In , [1] Canadian Jacob E. The popularity of Kakuro in Japan is immense, second only to Sudoku among Nikoli 's famed logic-puzzle offerings. The canonical Kakuro puzzle is played in a grid of filled and barred cells, "black" and "white" respectively. Apart from the top row and leftmost column which are entirely black, the grid is divided into "entries"—lines of white cells—by the black cells.