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.

Read all of the clues to determine the mystery number.

Read all of the clues to determine the mystery number.

Read all of the clues to determine the mystery number — and be sure to show your work!

The school day is over, but the backpacks are all mixed up! Can you help each student find their backpack?

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

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

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 worksheet to help your kid's math skills? This printable is all about combinations and logic.

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.

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.

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.

Are you ready for a connect-the-dots challenge? See if your math whiz can connect all nine dots using only four lines and never lifting their pen from the paper.

Help your fourth grader solve her way to Sudoku Island by completing this classic number placement puzzle.

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

Challenge your math brain with a tricky worksheet that throws in addition, subtraction, multiplication and division!

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

Children will follow the clues to solve a math riddle in this fun number-sense worksheet.

This multi-part worksheet helps students practice identifying the differences between regular and irregular hexagons while also reviewing their knowledge of composite and prime numbers.

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.

Help your child with his logic and number skills with this fun worksheet, which is similar to the number puzzle game of Sudoku.

Solve a sunny, summery sudoku puzzle in this sandcastle-themed puzzle!

School is starting, and the first thing you need to do is find your desk!

Seek out the symbols of spring in this cheerful math worksheet!

Give your brain a fun workout as you complete this summery worksheet!

Challenge your third graders with a cool winter math puzzle!

Build a flurry of logic skills with Snowman Sudoku for third through fifth graders!

First and second graders will have snow much fun with this winter-themed puzzle worksheet!