Lesson: Main Idea: Using Supporting Details 4
Edward W. Brooke Charter School
Unit: Non-fiction: Main Ideas
Point: Readers study maps and connect them to the main idea of the text.
Connection: Yesterday you learned that writers of nonfiction include diagrams in their writing to help their reader learn information that supports the main idea. Today you are going to learn how nonfiction writers also include maps to give their readers information that supports the main idea.
Teach: Sometimes writers of nonfiction include supporting details that help tell more about the main idea using a map. A map is a picture that shows what the land that is being talked about looks like from the sky. A map can be helpful when a nonfiction writer is teaching us about something that has to do with the land. Let me show you what I mean. Listen as I read Days to Remember. This nonfiction book tells all about how people celebrate different holidays around the world. (Read aloud, stopping after the first sentence on p. 4). Think aloud: Hmm . . . I know France is a country, but I’m not sure where it is. Look how the author of this nonfiction text included a map for me to see where France is in the world so that I could understand what I’m reading about better! (Point out the map to students). Now it will be easier for me to understand where in the world people celebrate Bastille Day. Now, I am not going to look at this map and think: “Oh, this is a lovely map of France!” I am going to make sure I think about HOW THE MAP SUPPORTS THE MAIN IDEA OF WHAT I AM READING. Scholars, did you notice how I looked at the map to help me understand more about the main idea of this book, that people all over the world celebrate different holidays because it showed me where people celebrate the one in this section? I didn’t just look at the map and think how it showed a picture of France.
Active Engagement: Now it’s your turn to figure out how a map teaches you more about the main idea in SuperCroc. Turn to p. 8 and look at the map of the world. (Display your color copy for clarity, read through the title, the text, and the key). Turn and tell your partner what this map helps teach us ABOUT THE MAIN IDEA (emphasize this point with students – major misconception in 3rd grade is leaving out how the graphic features support the main idea).
Link: Scholars, you just used a map to help learn about where SuperCroc’s relatives live today. Today, when you are reading your own nonfiction books, you can use the maps in the books to help learn information that tells supporting information.
Share: Who was able to use a map to understand more about their nonfiction book today?
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