I hope you enjoy this free resource. Students will have fun solving positive and negative integers. There is lots of practice to build students' skills of adding, subtracting, multiplying, and dividing integers. This Google Form resource contains 20 questions. There are five puzzles, and each includes four questions. Students must unlock five locks by answering 20 questions. A four-letter code is formed as questions are answered, which will open the locks. Each puzzle contains response validatio