Try to create every number from 1 to 50 with the number four by using addition, subtraction, multiplication, division... even exponents and decimals!

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.

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.

How can a few triangles and a rectangle make an airplane? Show your kindergarten the magic of shapes with this fun cut and paste activity.

Put your addition skills to the test with these puzzle boxes for second and third graders! 

Math maniacs, these challenging puzzles are for you! These four puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

Discover what four friends did over spring break in this middle-grade logic 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.

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

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

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.

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

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

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.

Find the missing digits in the problems shown. Place your answers in the boxes provided.

Reach the end of the winding math path in this fun worksheet!

Hey math buffs, do you need a challenge? These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

Put your addition skills to the test with these puzzle boxes for second and third graders!

This fun puzzle will get your students using logic as they add, subtract, multiply, and divide their way towards the answer.

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.

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.

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.

Is your child a math whiz who needs a challenge? These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

If your child is mad for math, give him a challenge! These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

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

This 4x4 multiplication puzzle is perfect for a beginner who would like a challenge!

Check out this beginner level KenKen® puzzle — a puzzle that uses math operations and logic.