This addition and subtraction KenKen® puzzle is a perfect challenge!

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.

In this kindergarten math worksheet, kids use logical reasoning and critical thinking skills to solve a Sudoku puzzle with lowercase letters E, F, G, and H.

This little froggie wants to go home! But he needs help navigating through the field of lily pads. Can you help him hop his way to safety?

Celebrate April Fools' Day with some silly puzzles that you and your child can make at home.

Learners will use the alphabet key to unlock the words written in the heart in this playful Valentine's Day puzzle.

Will your students help Tommy the Toucan solve this KenKen® puzzle? They'll need their addition and subtraction facts and the numbers 1 through 4.

Paris is known for its architecture and cafes. This picture has both, but your kindergartener needs to fill in the missing pieces.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with the numbers 13, 14, 15, and 16.

Your students will need to use simple addition and subtraction facts to decide where each number belongs within this KenKen® puzzle.

In this puzzle, learners will challenge themselves to create up to 28 different words from the phrase "Celebrate Valentine's Day."

Students use their logic skills to find out which Valentine's Day gift each friend received!

Your students will need to fill in this KenKen® grid using their addition and subtraction facts and some logical thinking skills.

If your student is ready for a more difficult KenKen® puzzle, this may be it!

Print out this fun KenKen® puzzle for your student! It's a beginner puzzle that uses just addition.

Your students can use their knowledge of simple addition and subtraction facts to solve this KenKen® puzzle.

Does your child love puzzles? Introduce him to tangrams! Use all 7 tangram shapes to re-create the picture on this page.

This is a medium-difficulty math and logic KenKen® puzzle uses addition, subtraction, multiplication and division and, of course, a lot of logic!

For kids who love puzzles, try tangrams! Use all 7 shapes to re-create the picture on this page. Tangrams will help build logic and reasoning skills.

Can you third grader use his multiplication skills to put the mixed-up robot back together? He'll boost his mental math skills, too!

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with the numbers 17, 18, 19, and 20.

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.

Can your child use her logic to place six X's on the board without making three in a row in any direction?

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

This addition and subtraction KenKen® puzzle will help your students focus on improving his mathematical reasoning while testing their computation abilities.

KenKen® is a new great puzzle for students to use to practice addition and subtraction facts!

This KenKen® puzzle uses addition and subtraction facts to determine where numbers belong within a grid.

Your students will be working on mathematical reasoning skills and operations as they work to fill in this KenKen® puzzle.

This addition puzzle is perfect for getting your student started with KenKen®!

Stay sharp this holiday season with some wordplay! How many words can you find in the letters of "Christmas"?