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

Solve a sweet sudoku puzzle in this Valentine’s Day-themed worksheet for first and second graders!

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

No need to be lucky to solve this St. Patrick’s Day puzzle—just use your logical reasoning skills!

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.

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.

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.

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

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.

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

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

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

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.

Clues plus riddles? Is this a mystery or a math worksheet?

Regular math problems will be a piece of cake after you master one of these complex riddles!

Shape up those problem solving skills with a fun block puzzle activity, comparable to tangram puzzles!

Complete this picture puzzle to polish your mixed operations prowess!

Challenge your third graders with a cool winter math puzzle!

Track down Maya’s new mittens using your logical reasoning and problem-solving skills! 

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

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

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.

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.

Practice mixed operations with this fourth-grade math puzzle!

Use your logic skills to out what each kid at the costume contest dressed up as! 

Do your students love puzzles? This one is a great introduction to KenKen®, a logic and math game from Japan.

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.

Celebrate an important American holiday while you work on your math operations!