Well, you assess knowledge by using simplified electronic quizzes to take the busy work out of it, then dive into the “show your work” for those students who are struggling. And students who have mastered the material can work with those who are struggling and serve as a force multiplier. Tutoring others makes them even better students, and those tutored will have more 1:1 time than they could possibly get with a teacher.
Khan Academy has been working with schools in the Bay Area for more than a decade and the results are pretty astounding. Salman Khan’s TED Talk in 2011 is an exciting glimpse of the possible, and by all accounts those who use Khan Academy software and methods are reaping the benefits.