This accesses the online component of our textbooks. The site offers tons of extra resources for students, like extra practice, video tutorials, lessons designed for English learners, and more. If a student doesn't already have access to the website, s/he should see his or her teacher for a username and password.
Missed class? Need another round of class? Khan Academy Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom.