Mastering Main Idea and Details
Students struggle to master main idea and details, but it helps to introduce the skill in a variety of meaningful ways that includes charting existing texts and writing their own. I have taught both elementary and high school students and I know their mastery of main idea and details doesn’t just get better with time. Getting multiple choice questions correct on main idea and details often means students have a cursory, not deep, understanding.
How Do I Plan for Mastery?
Give Them a Picture
The first thing I did was give the students a visual we could easily connect with. I showed them a drawing of a park from a book. There were people fishing in the lake, walking around, etc. We discussed all the things going on in the picture. Then, I talked about main idea and details. We connected the entire picture to the main idea and the small things (like the trees) to the details. Now that the mental connection is made, I can ask if we are looking for the the whole picture or the trees. Students think about the actual picture before answering. They have something real to hook that concept to. I make sure we review that we have connected those symbols to main idea and details so on a test they’re not looking for “trees.”
Chart the Text
We read a multi-paragraph text together and identified the main idea. First, we charted the text by numbering the lines and labeling the paragraphs, which aids in our discussions. Then, we discussed the main idea of the entire passage. On our second reading, I introduced the idea that each paragraph also has main idea (a smaller picture) and details to support it (smaller trees). Students than answered questions about the text to close off the lesson.
Utilize a Great Graphic Organizer
The next day, we utilized an FCRR graphic organizer in our reading of the anchor text, Planet Earth. Students wrote the topic and three main ideas (the headings/topics of each section helped us identify the main idea). I could ask, “If we know this section is about ____, which sentence gives us the big picture.” I could follow up with, “How do we know this is not a tree?” For each main idea section, we added two details. Here’s where I added a mini-review on paraphrasing. We worked together to craft meaningful detail sentences in our own words that combined information from multiple sentences. I wanted them to see the difference between rich details that support the main idea and less important ones.
Let Them Struggle (a Little)
I will follow up this activity with an “on your own” main idea and detail activity using the same book and same graphic organizer. Students will take the next headings and find the main idea and details.
The next step will be to see if they can apply it to an unfamiliar text at their own reading level. I will have them pick a science book and give them the same graphic organizer. They will read and chart the main idea and details on their own. I will have them share their information with a partner, who will evaluate whether they have identified the “main picture” and the “trees” correctly.
Wrap it Up with Writing
Finally, I will task the students with writing an emergency evacuation plan (which we have to do) using this main idea and details template to organize their information prior to writing. Again, a peer will review it and provide feedback. Then, I will review the graphic organizers in pairs and give feedback to the writers and their reviewers.
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