Lesson planning has 5 main significances: 1) It helps teachers address any unforeseen challenges before they occur. 2) It ensures lessons are organized and engaging for learners. 3) It allows teachers to track the content they have covered. 4) It facilitates the selection of appropriate teaching aids. 5) It helps teachers emphasize important concepts. Overall, lesson planning is important for anticipation of issues, interactive lessons, tracking teaching progress, use of relevant resources, and focusing on key ideas.