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!

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!