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.

Take the block puzzle challenge! This series of tangram-style geometry puzzles is a great way to build logic skills in your kindergartener.

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.

Play with shapes the hands-on way! Let your your kindergartener cut out these colorful shapes and arrange them into the outline of a house.

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.

In this second grade math worksheet, kids use their logical reasoning and critical thinking skills to solve four Sudoku number puzzles.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a colorful Sudoku puzzle.

Who came to the family reunion? Put your logic to the test and figure out how many people were actually at this reunion.

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

Think outside the box! Your child can exercise his logic by figuring out how quickly the mountain goat will get to the top of the hill.

Solve the mystery of who's who in this puzzle full of spooky, cute, and creative Halloween costumes! 

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.

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.

This easy Sudoku puzzle features the lowercase letters a, b, c, and d! Solve the puzzle by writing each letter only once in each row, column, and block.

Uh oh, someone mislabeled these boxes of fruit! Can your child use their logic to figure out which fruit is in which box?

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

Keep your amazing math student on his toes with some challenging puzzles! These math grids are tricky, but are a fun spin-off of the popular Ken Ken puzzle.

On this fun Halloween Sudoku, kids use their logical reasoning and critical thinking skills to solve this puzzle.

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

Christmas sudoku lets your child exercise his brain while cutting a pasting festive holiday images. Play Christmas sudoku with your child this holiday season.

Looking for a worksheet to help your kid's math skills? This printable is all about Sudoku.

What does one semicircle, two parallelograms, three triangles and a rectangle add up to?

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with an Independence Day theme.

Calling all Sudoku and Ken Ken buffs, here's a little something new! These math puzzles are tricky, but are a fun spin-off of the popular Ken Ken puzzle.

Does your child need a little challenge in math and problem solving? These math puzzles are tricky, but are a fun spin-off of the popular Ken Ken puzzle.

This simple, sporty Sudoku puzzle is perfect for kindergarteners! Your little sports star will get to build logic skills as he solves the picture Sudoku.

Solve this Thanksgiving Sudoku puzzle by cutting and gluing pictures into the puzzle, with each picture appearing only once in each row, column, and block.

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.

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.