What student doesn’t like short, engaging, and fun videos? Houghton Mifflin Harcourt brings us math tutorials, delivered by the highly engaging math instructors Dr. Edward Burger and Dr. Freddie Renfro. There are over 1,400 videos for math topics ranging from 6th grade to Algebra 2, all aligned to the Common Core Standards. You can create favorite play lists and many of the tutorials offer close captioning and Spanish audio. Each video bundle costs $1.99.