Workbook Solutions: ME1 9.6
Student Edition page 418: The definition of lateral faces states that they are parallelograms, and sometimes can be rectangles. You may want to show students an oblique prism so that they can see why it is only in right prisms that lateral faces are rectangles.
Student Edition page 421: You may want to demonstrate to students that a cubic foot comes from length, width, and height in feet multiplied together. For example, (ft)(ft)(ft)=ft^3, just like (2)(2)(2)=2^3.