How To Write An Introductory Paragraph Lesson Plan . Model taking that one phrase and building a sentence out of it. The introduction is one of the most important parts of any paper. 12 Best Images of Academic Plan Worksheet Student Goal Setting from www.worksheeto.com If the phrase was “8th birthday”, because the essay is going to be a. Start a paragraph with a topic sentence, which states the main idea of that paragraph. It contains a range of resources, including: