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

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

Have some fun with vocabulary words using a Valentine's Day word scramble for first, second, and third graders!

This Nature Sudoku Challenge will allow your child to enjoy the beauty of nature pictures while using their critical thinking skills to solve the puzzle.

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

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

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

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

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

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

Boots, sneakers, flip-flops, slippers—which new shoes did Maria get? Solve this puzzle to find out!