What has teeth but no mouth? Find out the answer to this and more riddles in this Riddles and Codes worksheet.

This spooky Sudoku puzzle is perfect for logical thinkers on Halloween. Solve this spooky Sudoku puzzle with your child.

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

Crack the code in this printable phonics worksheet all about words ending in -ng and -nd.

Addition doesn't have to be puzzling—practice finding sums with these second- and third-grade puzzle boxes!

A word ladder is a fun and challenging way to help kids with spelling. They'll start to see how words follow certain patterns.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with the numbers 5, 6, 7, and 8.

If your student needs a challenge in math, try these math puzzles! These math grids are tricky, but are a fun spin-off of the popular Ken Ken puzzle.

Find all of the words relating to the sea in the word search, circle them, and make sure to cross them off the list.

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

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

Practice addition and subtraction within 20 with this sweet Valentine’s Day math puzzle!

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.

Practice logic and deductive reasoning the fun way. Have your student put his thinking cap on and try out this fun and challenging logic worksheet.

Students use algebraic thinking to find the value of each symbol in this Earth Day math puzzle!

Use your logic skills to out what each kid at the costume contest dressed up as! 

What has to be broken before it can be used? Find out the answer to this riddle and more in this fun riddle and math combination worksheet.

Challenge learners with a delicious game of Pie Picture Sudoku with this engaging cut-and-paste worksheet!

Don't let your mind go numb this winter break! Stay sharp with a challenging Sudoku puzzle.

What's both fun and challenging? These Riddles and Codes worksheets, which pack a one-two punch of brain teasers.

This pig Sudoku puzzle is a great logical reasoning and critical thinking exercise for your child. Try this pig Sudoku puzzle with your child.

What happens when you combine the fun riddles of a game like 20 Questions with a bit of math practice?

Get ready for an even tastier challenge with level 3 of this Pie Picture Sudoku worksheet!

Practice your addition and multiplication skills in preparation for factoring equations using these baseball themed puzzles!

Learners practice addition and subtraction within 20 in this St. Patrick's Day-themed math puzzle!

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.

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

Give learners an extra delicious challenge with level 2 of this Pie Picture Sudoku worksheet!

Practice addition and subtraction within 10 in this St. Patrick's Day-themed math puzzle!

Help students sharpen their logic skills with another fun, thought-provoking nonogram puzzle!