This document introduces the Hot Potatoes software for creating online math and reasoning exercises and quizzes. It discusses how Hot Potatoes can be used to create different types of exercises, including multiple choice quizzes, matching, mixing up elements, cloze questions, and crosswords. The document was created by Lic. Fanny Pita Chapilliquén on October 17, 2011 to demonstrate how Hot Potatoes can improve mathematical reasoning and the use of technology through online activities.