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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.

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.

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Looking for a way to get your child excited about math? These math puzzles are tricky, but are a fun spin-off of the popular Ken Ken puzzle.

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Boost your fourth grader's critical thinking and problem solving skills with this entertaining printable puzzle!

Challenge your fourth grader to an entertaining and educational Sudoku puzzle. She won't even realize she's exercising her brain!

This challenging number puzzle is a great way to boost your child's critical thinking skills and strategic ability.

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If your child has a knack for number games, he'll love this mysterious math puzzle. Kids will use addition, subtraction, multiplication, and division skills.

Sudoku and Ken Ken enthusiasts will enjoy this mad math puzzle, full of addition, subtraction, multiplication, and division challenges.

This missing numbers math puzzle will get your kid thinking creatively. Kids who enjoy Ken Ken and Sudoku puzzles will like this amazing math puzzle.

Fill out as many spaces as you can and get a bingo in this summer-themed activity!