Gizmo comes with an answer key. Each lesson includes a Student Exploration Sheet, an Exploration Sheet Answer Key, a Teacher Guide, a Vocabulary Sheet and Assessment Questions. The Assessment Questions do not come with an answer key.
Gizmos is an online learning tool created and managed by ExploreLearning.com. Each lesson comes with a complete set of lesson materials. The lessons are also supported by training and professional development resources provided by the company. ExploreLearning encourages teachers not only to master the core uses of its products but also to hone their ability to integrate the materials into the classroom. The overall goal is to build sustainable implementation.