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

Teach your 1st grader about bees with this fun fact worksheet. Play Sudoku to challenge her logic puzzle skills!

This puzzle printable features picture Sudoku for the Hanukkah season, with one puzzle for easy and one for medium.

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

Hone spelling skills and logic skills, all in one fun word ladder activity! Change just one letter at a time to work their way down the ladder.

Celebrate spooky season with this colorful puzzle for young learners!

If your child is done with easy- and medium-level picture Sudoku maybe she's ready for this one.

Soar to new spelling heights with these word ladders! Kids will hone spelling skills and logic skills, all in one fun activity.

Spruce up spelling practice with these challenging word ladder puzzles! Kids will change one letter at a time to create a group of new words.

Here's a colorful way to help your child see patterns in words. She'll change just one letter of each word to work her way down the ladder.

WordGirl knows one place where she's sure to find lots of words - the library! This word scamble from PBS KIDS' WordGirl has lots of library words to find.

What do eyeballs, pumpkins, and candy corn have in common? This medium level puzzle will have your students scratching their heads. It's nothing they can't handle!

Put your child's cartographic skills to the test by having him assemble this puzzle that features the 50 U.S. states.

Your students will need their addition facts and a bit of logic to solve this KenKen® math puzzle.

Solve a sunny, summery sudoku puzzle in this sandcastle-themed puzzle!

In autumn, the leaves turn red, orange, and yellow—test your logic skills with a sudoku puzzle to match!

This Christmas brainteaser features two pages of colorful medium-level picture Sudoku for young kids.

What can run but can't walk? Reveal the answer to this clever riddle by cracking the number code in this Riddles and Codes worksheet.

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

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

What new pet did Devon just get? Find out as you complete this engaging worksheet!

Soak up the sunshine as you solve this superb summer puzzle!

Say goodbye to spring fever with this sweet spring-themed math puzzle!

Try your luck with this picture-based sudoku for kindergarteners and first graders!

First and second graders will LOVE finding the missing numbers in this adorable Valentine’s Day math puzzle!

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

Solve a sweet sudoku puzzle in this Valentine’s Day-themed worksheet for first and second graders!

Spark curiosity and problem-solving skills in young learners with this engaging spring-themed math puzzle!

Can you use your logic skills to find out what new toy Ben just got? Try this colorful brain teaser!

In this cheerful activity, enjoy the snowy weather without getting cold!