Do you slaughter the daily Sudoku grid? Turn crossword puzzles into carnage? See how much you know about one of the newest strategy-based brain teaser games called KenKen.

### Who invented KenKen puzzles?

- Tetsuya Miyamoto
- Kenneth Kennedy
- Will Shortz

### KenKen is similar to what other popular puzzle?

- crossword puzzles
- Jumble
- sudoku

### What does the name "KenKen" mean?

- nothing
- double math
- wisdom squared

### Do you need to have a lot of math skills to solve a KenKen puzzle?

- No math skills are needed, just logic.
- You need to know algebra.
- You need to know basic arithmetic.

### What is the name of the computer program that creates KenKen puzzles?

- Kenerator
- Knumber Kruncher
- Ken Koder

### In which newspaper did KenKen puzzles first appear daily?

- The New York Times
- The Times (UK)
- The Japan Times

### Which company began marketing KenKen worldwide?

### Which was the first American magazine to run KenKen puzzles?

- Mental Floss
- Reader's Digest
- Scientific American

### Which U.S. puzzle guru helped popularize KenKen?

- David Hoyt
- Bobby Fischer
- Will Shortz

### What grid sizes are used in KenKen puzzles?

- 3-by-3 to 9-by-9
- 4-by-4 to 8-by-8
- 5-by-5 to 9-by-9

### What are the outlined boxes within the puzzles called?

### What math function might be specified in each cage?

- only addition or subtraction
- only multiplication or division
- addition, subtraction, multiplication or division

### What is the rule regarding repeating numbers?

- You cannot use any number more than twice in any row or column.
- Numbers cannot be repeated in any row or column.
- Numbers cannot be repeated in rows, but they can be repeated in columns.

### Can there be more than one answer to a KenKen puzzle?

- no
- Yes, each puzzle has two correct answers.
- Yes, each puzzle has the same number of correct answers as its corresponding number of grids.

### Which numbers are used to solve a 4-by-4 puzzle?

- 0, 1, 2, 3
- 1, 2, 3, 4
- 1, 2, 4, 8

### KenKen creator Tetsuya Miyamoto runs a popular year-long weekend class that accepts how many students?

- 5 students
- 20 students
- 50 students

### What kind of instruction does Miyamoto give his students?

- He teaches philosophy and logic.
- He does not teach his students.
- He teaches his students math and science.

### How many puzzles can you play each day at KenKen.com?

### Are larger-grid puzzles harder to solve than smaller-grid puzzles?

- Larger-grid puzzles are usually harder than the smaller-grid puzzles.
- Yes, the larger the grid, the harder the puzzle.
- No, size has no relation to degree of difficulty.

### Which of the following is NOT a good tip if you're having difficulty solving a KenKen puzzle?

- Solve cages with an even number of boxes first.
- Fill in any one-box cages first.
- Focus on cages with prime numbers because they have a limited number of possible solutions.