This Instructional Activity is a part of the Lesson 22, Unit 3, Grade 7. Find the total surface area of the wooden jewelry box. The sides and bottom of the box are all 1/4 inch thick. What are the faces that make up this box? The box has a rectangular bottom, rectangular lateral faces, and a rectangular top that has a smaller rectangle removed from it. There are also rectangular faces that make up the inner lateral faces and the inner bottom of the box.