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

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.

Ducks, geese, foxes, and people are all sure to get a kick out of this fun game. Just print out and follow the easy instructions!

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

Read all of the clues to determine the mystery number.

Read all of the clues to determine the mystery number.

What does one semicircle, two parallelograms, three triangles and a rectangle add up to?

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

Brush up on some simple math while following instructions! Change this string of ten numbers into just one number by following the directions very carefully.

This level 6 KenKen® is a challenging puzzle for students who want to work on their logic and math reasoning skills.

It's time to play KenKen®! This multiple operation logic puzzle is a little tricky, but completely possible for a beginner or intermediate player.

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! These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

Practice mixed operations with this fourth-grade math puzzle!

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.

Hey math whizzes, here is a challenge for you! These math puzzles are tricky, but are a fun 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.

Reach the peak of puzzling by completing this challenging sudoku for middle schoolers!

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

This fast math game requires just a deck of cards. Kids need to arrange cards from least to greatest, as fast as they can, by swapping adjacent cards.