ESL Line Graphs Lesson | Describing Trends, Percentages & Present Perfect (PDF + Editable PPT)This structured ESL lesson helps students understand, interpret, and describe line graphs clearly in English. Students practice numerical language, trend vocabulary, percentages, and the present perfect through step-by-step activities that move from controlled practice to full spoken explanations of real data. The lesson is ideal for academic English, exam preparation, and real-world data interpret