•Chapter Tutorial Problems – multi-part problems that challenge students to solve objective-targeted problems similar to the ones that appear as examples within the text. These problems provide students with a step-by-step feedback on how to approach each part of the problem.•Chapter Synthesis Problems – multi-part problems that relate the chapter and its exercises to the real world of science. Each part of the chapter synthesis problem has answer-specific feedback to help guide the students through each step.•Office Hour Videos – the authors work through specific end of chapter problems, using a whiteboard with explanatory voice over. Each problem is worked out, with enhancing graphics, in a 2-3 minute video that is designed to provide the same clarification that a student would receive during a lecture or face-to-face meeting.
