Want to keep your students working on their multiplication skills? Even when all they can think of is Halloween costumes and candy? Try this set of 4 self-checking worksheets - each with a Halloween riddle to solve. Students will multiply 2 digit numbers times 2 digits and then they will match their correct products to answer a riddle at the bottom of each worksheet. Use as an end of unit quiz, independent practice, or allow students to race to find the answer to the riddle! Great Academi