Engage students with this interactive, self-grading math activity to help students master multiplying and dividing by powers of 10. Features 40 questions, half multiplication and half division. Answer key included. Just download and assign, no copies needed! *Self-grading - gives students instant feedback on their answers. **Use for independent practice, partner work, homework, homeschool, tutoring, and more! ***Instructions for teacher use are included on the first tab of the google sheet.