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.

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

You're going to need your whole math brain to solve this tricky worksheet that asks you to fill in the operation.

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

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.

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.

Not just an intro to a popular card game, this worksheet encourages quick-thinking and comparison, and helps kids learn to break problems down.

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

This 4x4 KenKen® multiplication puzzle will get your student using a lot of logical thinking.

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

Get into the spirit of fall with this middle-grade numbers puzzle!

Gather your supplies for the start of the school year with this sudoku for first, second, and third graders!

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

Introduce children to the process of elimination with this appealing brain teaser.

Logical reasoning skills are always important—even on vacation!

Does your child love a good challenge? This multiplication KenKen® puzzle is a difficult one!