Teaching main idea and supporting details in 3rd, 4th, and 5th grade can be rough. Some students seem to just get it, while others are completely lost no matter what you say or do. And then there are the ones who simply guess, picking a random sentence out of thin air. (Sound familiar?)
Most curriculums aren't much help. They give students endless worksheet practice with finding the main idea / central idea - but never teach students how to figure out what the main idea is. Below, find 7 main idea lesson ideas that will help you scaffold main idea instruction to help even your struggling students actually understand.
1. Start With Topic Before Teaching Main Idea
Since a topic is just a word or phrase, it’s much easier for upper elementary students to grasp. Try a “Grouping Words” activity—give students a list of words, have them sort the words into categories, and then create a title. This helps them see how different key details connect under one topic.
This activity helps address an important struggle students have when it comes to main idea. Students have a hard time understanding that the details that support a certain main idea or topic are all different, yet related to each other. Requiring students to sort words into groups is a great introduction to this concept - and having them title each group helps them understand how topic and details are related.
Younger learners, ESOL students, or struggling upper elementary readers could do this same activity using pictures rather than words. They will still get valuable practice with the skill without the frustration of reading words without any context.
2. Use Topic Vs. Details Graphic Organizers
Instead of asking students to write complete sentences identifying the main idea right away, use simple organizers that only require words or short phrases. This keeps the focus on distinguishing between broad topics and specific details.
Use the graphic organizers below as example inspiration (or get these activities, as well as several others in my Scaffolded Main Idea resource.) Make sure students understand that the topic is the broad word in the center of the graphic organizer, and the details that surround it are more specific.
Most main idea resources test main idea - this one actually teaches it. It includes all the main idea activity ideas below - without any of the prep work.
Your students deserve more than confusion and lucky guesses.
3. Teach Main Idea / Central Idea With Titles
Titles are powerful clues—especially in nonfiction. Have students predict the main idea and possible supporting details based only on a title. Then, confirm or revise their thinking after reading.
Let's say your 3rd, 4th, or 5th grade class is reading Sheila Keenan's Animals in the House: A History of Pets and People. Just based on this title, students should be able to make reasonable predictions as to the main idea and supporting details of the text. You could ask some different questions to help encourage that thinking:
- What will this book be mostly about?
- Do you think one of the supporting details in this book will be about elephants? Why or why not?
- Do you think one of the supporting details in this book will be about dogs? Why or why not?
- What other animals might the author include to support the main idea? How do you know?
- Which of the following statements is more likely to be the main idea of the book: "Dogs make great pets because they are friendly, loving, and loyal," OR "Throughout history, people have depended on a variety of pets for help, companionship, and protection."
Just by thinking carefully about this title, students should be able to predict a reasonable central idea to the book, as well as possible supporting details. In nonfiction books or passages, students can also use headings to make similar predictions of the main idea and details of smaller sections.
You could also cover up the title of a book or passage, and have students make predictions about what the title is after reading. This will get students thinking about what was most important and what the text was mostly about.
4. Find the Detail that Doesn't Support the Main Idea
Give students a paragraph where one sentence doesn’t support the main idea. Having them spot the “off-topic” detail helps clarify how main idea and supporting details work together.
This requires a little preparation (unless you buy my Scaffolded Main Idea Resource where the prep work is done for you), but it is an invaluable tool for helping students better understand main idea and key details.
Check out the example paragraph below, which is from my Scaffolded Main Idea Resource. After a careful reading, students can determine that the sentence about men's gymnastics doesn't support the main idea of the paragraph.
5. Add A Supporting Detail That Supports the Main Idea
6. Use Scaffolded Main Idea Graphic Organizers
Cute organizers shaped like ice cream cones or umbrellas won’t magically teach main idea. What does work is scaffolding. Instead of having students generate the main idea from scratch, provide sentences and ask them to sort them into main idea and supporting details. This lowers frustration while still building real understanding.
Not sure how to create this yourself? Get a free scaffolded graphic organizer with a short reading passage to use with your 3rd, 4th, or 5th grade students today.
After your students have gotten plenty of practice with scaffolded graphic organizers, you can use one of these free graphic organizers in your main idea lessons.
7. Ask a Variety of Main Idea Questions to Your Lessons
8. All of the Main Idea Activities Without Any of the Prep
These activities will help your students move from guessing to actually understanding main idea. But if you’re ready for something completely no-prep, my Scaffolded Main Idea and Details Resource has everything planned for you—passages, cut-and-paste practice, task cards, scaffolded graphic organizers, and more. It's one of my best-sellers because it helps students truly understand main idea and supporting details.
This scaffolded main idea resource is my best seller for a reason. It is almost completely no prep while drastically improving students' understanding of main idea.
The resource has cut and paste activities, worksheets, task cards, graphic organizers, reading passages, and more that will help your students understand the differences between topic, supporting details, and main idea.
You might also like these other main idea tips, activity ideas, and freebies!
Comments 17
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Can you share your ideas with me to help me DI for my inclusion students?
Author
I think inclusion students often are most successful when they are provided good scaffolding. I’ve shared some of my ideas for scaffolding a few different skills here. . I hope you find something helpful.
Thank you so much for the ideas. I am always looking for new ideas to implement in my classroom. My K students have to give main ideas to be at the reading level the district would like by the end of kindergarten. This is a very difficult concept for 5 and 6 year old’s to understand. It has no place for assessment in Kindergarten. Thank you for sharing.
Author
I agree, that does not seem like an age appropriate expectation!
I really enjoyed the flow of these concepts and how they were each carefully thought out. They rocked!
Ideas provide scaffolding
Your ideas for teaching main ideas are awesome. I’m truly relieved from stress of looking for how to do it. God bless you.
Author
So happy to be able to help!
Thank you very much! These activities are easy to teach for teachers as well as easy to understand for students to learn about main idea and details. I love it!
This is awesome.. I will definitely use your ideas. The strategies really make sense and will minimize stress of the students
I love your main idea and details lessons!
Author
Thank you!
It’s an excellent website of resourceful information
Author
Thank you so much!