The practice exercises seem to have been removed from some of the AP classes, such as AP Stats and AP Bio. Why? Will they be added back? Will there be a mission for AP Stats? I'm taking these classes this year so I would like to have the exercises. I know I can find then if I look in the biology and statistics / probability sections (not AP), but not all of these are specific to the AP classes.
I've heard wonders about Khan Academy from other homeschooling parents, so my son and I just joined so that he could take the AP Calculus and Physics courses this year. The AP Calculus BC class has practice exercises, quizzes and unit tests to help him hone his skills and make sure he understands the content, but the AP Physics 1 and 2 classes only have videos and articles. How do I know he's understanding the material? I've seen several requests to add at least exercises to the AP courses, but I haven't found one with a response from Khan Academy.
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