The teacher writes a topic sentence on the transparency. First, Next, Finally, As a result. Next, the engine overheated on the freeway. For the concluding sentence, the teacher asks a student to explain what difference all of this made.
Students use a rubric to self-assess their paragraphs.
The top score on the rubric would require a topic sentence, logically organized supporting details, and a conclusion that explains the bottom line or what difference it made.