Use this worksheet, in either Google Slides online form or printable PDF, to help your students practice using a number line to show and work with integers. The worksheet follows the adventures of Boden the troll, who leaves his underground home to visit the King and Queen in their castle. On his journey, Boden will change elevation multiple times – going from underground to the top of a watchtower, back to solid ground, up to a diving board, underwater, up in the air, and throughout the castl