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.

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.

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.

Calling all Sudoku and Ken Ken buffs, we have a new addicting puzzle for you! These are tricky, but a fun spin-off of the popular Ken Ken puzzle.

Your students will need their math facts on hand to solve this KenKen® puzzle, a fun math and logic game.

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.

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.

Strengthen students' logic and critical thinking skills with this engaging logic puzzle!

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

Hunt down clues and treasure in this scavenger hunt-themed logic puzzle worksheet!

On this second grade math worksheet, kids use their logical reasoning and critical thinking skills to help Bart the Bear solve four Sudoku number puzzles.

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 picture Sudoku puzzle with a back to school theme.

Put on your thinking caps and then buckle in for this Fair Ride Frenzy logic puzzle!

This medium KenKen® puzzle will get your student using multiplication and logical thinking skills!

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

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

Students use algebraic thinking to find the value of each symbol in this Valentine's Day math puzzle!

Students use algebraic thinking to find the value of each symbol in this Earth Day math puzzle!

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

Ready or not, engage students with this hide-and-seek-themed logic puzzle!

Before you dress up and go trick-or-treating, try a problem-solving challenge full of cool Halloween costumes!

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

This beginner KenKen® grid requires the use of addition and subtraction, along with some logic, in order to figure out which number goes in each square.

Your students will need to use addition and subtraction to decide which number goes in each square within this KenKen® logic puzzle.

Practice mixed operations with this fourth-grade math 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.

KenKen® is a math logic game that comes from Japan. This beginner puzzle is perfect for a fifth grade student working on operations and math reasoning.

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.

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