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

Prepare for more Halloween havoc with this fun and festive math puzzle!

Help your students determine if a shape is regular or irregular!

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.

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.

Your students will love getting a chance to use their creativity as they review the properties of regular and irregular pentagons while creating their own unique piece of art.

Play with shapes the hands-on way! Let your your kindergartener cut out these colorful shapes and arrange them into the outline of a house.

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

Read all of the clues to determine the mystery number.

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.

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.

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

Practice the concept of perfect squares with this fun worksheet. To uncover the code your child will need to determine if each number is a perfect square.

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

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

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

This easy Sudoku puzzle features the lowercase letters a, b, c, and d! Solve the puzzle by writing each letter only once in each row, column, and block.

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.

Use this glossary with the EL Support Lesson: How Did You Solve the Puzzle?

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with an Independence Day theme.

Arrange the numbers in the magic square so that the sum of the numbers in any direction is 15.

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

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.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a colorful Sudoku puzzle.

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

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.

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

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

Children will follow the clues to shade in the numbers on a hundreds board in this playful math puzzle.