AP Calculus Lessons: Volumes of Revolution BUNDLEDisc Method by Slicing OrangesWasher Method by Slicing BagelsShell Method by Slicing Angel Food CakeThese hands-on activities build your students' conceptual understanding of finding volumes of revolution. By slicing an orange, bagel, or angel food cake and computing the volume of each slice, students learn how the methods work and what each part of the integral represents. Teaching your students with graphing software and 3-D images is helpful, b