Table of Contents

## What are the rules for KenKen?

The Rules of KenKen Your goal is to fill in the whole grid with numbers, making sure no numbers is repeated in any row or column. In a 3×3 puzzle, use the numbers 1–3. In a 4×4 puzzle, use the numbers 1–4, and so on. e.g. In this cage, the math operation to use is addition, and the numbers must add up to 5.

**How do you do math KenKen?**

by Roy Leban

- Fill in each square cell in the puzzle with a number between 1 and the size of the grid.
- Use each number exactly once in each row and each column.
- The numbers in each “Cage” (indicated by the heavy lines) must combine — in any order — to produce the cage’s target number using the indicated math operation.

### Is there a mathematical way to solve Sudoku?

In fact, mathematical thinking in the form of logical deduction is very useful in solving Sudokus. The most basic strategy to solve a Sudoku puzzle is to first write down, in each empty cell, all possible entries that will not contradict the One Rule with respect to the given cells.

**Is KenKen copyrighted?**

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.

## How do you do a KenKen with numbers?

If your grid is a six by six, you would have the numbers 1, 2, 3, 4, 5, and 6, without any repeating. If it is a 9×9, then 1-9, etc. Fill each vertical column with every number, without repeating. A completed Kenken needs to have every single number in every single row and column, only once.

**How do you solve Ken Ken?**

Every cage will have a goal — and this is how you solve Ken Ken. Kenken only contains addition (+), subtraction (-), multiplication (×), and division (÷). Cages with only one box and no mathematical symbol (“4”) mean you just place the number in the box on its own. If the box just says “4,” just put a 4 in the box.

### What is KenKen?

Learn more… KenKen is a Japanese paper puzzle by Tetsuya Miyamoto that resembles Sudoku. Ken Ken roughly translates to “cleverness-cleverness,” and solving one requires a mix of math skills and general logic. The rules take some getting used to, but once you have the basics down you can tackle Ken Kens of any size

**What are the big lines on the KenKen puzzle?**

Inside of the Kenken, there are big, thick lines marking of several boxes at once, with a mathematical equation (ex. “3+,” “1-,” “2”). These are called cages, and they provide the puzzle and the solution. Make a note of them, making sure you understand what boxes they cover.