Brush up on some simple math while following instructions! Change this string of ten numbers into just one number by following the directions very carefully.

Fun Fun puzzles are almost like Ken Ken! These ones are tricky, but very fun to solve. Give your student a fun way to practice simple arithmetic.

Hey math buffs, do you need a challenge? These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

Math maniacs, these challenging puzzles are for you! These four puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

Calling all Sudoku and Ken Ken buffs! These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

Calling all Sudoku and Ken Ken buffs! These math puzzles are tricky, but are a fun and simpler spin-off of the popular Ken Ken puzzle.

This is for all you math whizzes who need a challenge! These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

If your child is mad for math, give him a challenge! These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

Is your child a math whiz who needs a challenge? These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

Calling all Sudoku and Ken Ken buffs! Give your student a fun way to practice math and problem solving with these fun puzzles.

In autumn, the leaves turn red, orange, and yellow—test your logic skills with a sudoku puzzle to match!