Lesson Plan
Untangling Text Twists
Students will be able to identify the main idea and at least two supporting details in a given informational text.
Understanding how to find the main idea and supporting details is like having a superpower for reading! It helps you understand what you're reading much better, remember important information, and even write more clearly yourself. This skill is key for success in all your classes and beyond.
Audience
7th Grade Students
Time
30 minutes
Approach
Through direct instruction, guided practice, and an interactive activity.
Materials
Smartboard or Projector, Markers or Whiteboard, Untangling Text Twists Slide Deck, Warm-Up: Idea Web, Main Idea Match Activity, and Cool-Down: One-Minute Summary
Prep
Lesson Preparation
15 minutes
- Review the Untangling Text Twists Slide Deck and familiarize yourself with the content.
- Print copies of the Main Idea Match Activity (one per student or pair).
- Ensure whiteboard/markers or smartboard are ready for use.
- Review the Warm-Up: Idea Web instructions.
- Review the Cool-Down: One-Minute Summary instructions.
Step 1
Warm-Up: Idea Web (5 minutes)
5 minutes
- Project the Warm-Up: Idea Web on the board or distribute copies.
- Instruct students to brainstorm words, phrases, or ideas that come to mind when they hear 'main idea' and 'supporting details.'
- Have students share their ideas, creating a class 'idea web' on the board. Briefly discuss initial thoughts.
Step 2
Introduction to Main Idea & Supporting Details (10 minutes)
10 minutes
- Use the Untangling Text Twists Slide Deck to introduce and explain the concepts of main idea and supporting details.
- Go through examples together, modeling how to identify both.
- Engage students with questions from the slide deck script to check for understanding.
Step 3
Main Idea Match Activity (10 minutes)
10 minutes
- Distribute the Main Idea Match Activity worksheet.
- Explain the instructions: students will read short passages and match them to their correct main idea, then identify two supporting details.
- Students can work individually or in pairs.
- Circulate to provide support and answer questions.
Step 4
Cool-Down: One-Minute Summary (5 minutes)
5 minutes
- Project the Cool-Down: One-Minute Summary prompt.
- Ask students to write a one-minute summary explaining the difference between a main idea and a supporting detail, using an example from today's activity or a new one.
- Collect summaries as an exit ticket to assess understanding.

Slide Deck
Untangling Text Twists: Finding the Main Idea
Ever read something and felt a little lost?
Today, we're going to learn how to untangle those text twists and find the heart of any reading!
Welcome students and introduce the topic. Ask them to think about what makes a good story or article. Explain that today's lesson will help them find the most important parts.
What's the Big Deal About the Main Idea?
The main idea is the most important point the author wants to make about the topic.
- It's the central message.
- It's what the whole paragraph or passage is mostly about.
- Think of it as the 'umbrella' that covers all the other smaller ideas.
Ask students what they think a 'main idea' is. Guide them to understand it's the central point. Use an analogy like the 'umbrella' that covers all the other ideas.
Main Idea Example!
Read this paragraph:
Many animals use camouflage to protect themselves from predators. Chameleons can change the color of their skin to blend in with their surroundings. Arctic foxes have white fur in winter to hide in the snow and brown fur in summer to match the dirt and rocks. Stick insects look exactly like twigs, making them almost impossible to spot.
What is the main idea of this paragraph?
Main Idea: Animals use camouflage to protect themselves.
Provide a simple example. Read the paragraph aloud and ask students what they think the most important message is. Guide them to the correct main idea.
What Are Supporting Details?
If the main idea is the umbrella, the supporting details are the raindrops that help explain, prove, or describe that main idea.
- They are facts, examples, reasons, or descriptions.
- They answer questions like: Who? What? When? Where? Why? How?
- They give more information about the main idea.
Now, introduce supporting details. Explain that these are the facts, examples, and reasons that back up the main idea. Think of them as the 'legs' that hold up the main idea umbrella.
Supporting Details Example!
Let's look at our camouflage paragraph again:
Many animals use camouflage to protect themselves from predators. Chameleons can change the color of their skin to blend in with their surroundings. Arctic foxes have white fur in winter to hide in the snow and brown fur in summer to match the dirt and rocks. Stick insects look exactly like twigs, making them almost impossible to spot.
Which sentences give us more information about how animals use camouflage?
Supporting Details:
- Chameleons change color.
- Arctic foxes change fur color seasonally.
- Stick insects look like twigs.
Using the same camouflage example, ask students to identify the details that prove or explain the main idea. Highlight the chameleon, arctic fox, and stick insect examples.
Quick Check! Can You Find Both?
Read this:
The school library is a fantastic resource for students. It has thousands of books on every subject imaginable. Students can also use the computers to do research or print assignments. Plus, there are quiet study spaces perfect for getting homework done.
What's the main idea? What are two supporting details?
Quick check for understanding. Present a new simple text and ask students to identify both. Encourage them to share their reasoning.
Your Turn! Main Idea Match Activity
Now it's your turn to be the main idea detective!
- You'll get some short passages.
- Your job: Find the main idea and two supporting details for each.
- Remember the 'umbrella' and the 'raindrops'!
Good luck, detectives!
Explain the upcoming activity. Remind students to look for the 'umbrella' sentence and the 'raindrops' that explain it. Emphasize that finding the main idea is a skill that gets easier with practice.

Warm Up
Warm-Up: Idea Web
Instructions: When you hear the phrases "main idea" and "supporting details," what words, phrases, or ideas come to mind? Write them down or draw connections in the space below.


Worksheet
Main Idea Match Activity
Instructions: Read each passage carefully. Then, identify the main idea and two supporting details for each passage. Write your answers in the space provided.
Passage 1
The Amazon Rainforest is an incredibly important ecosystem for the entire planet. It produces more than 20% of the world's oxygen. Millions of unique plant and animal species, many yet undiscovered, call the Amazon home. Additionally, the rainforest helps regulate global weather patterns by absorbing vast amounts of carbon dioxide.
Main Idea:
Supporting Detail 1:
Supporting Detail 2:
Passage 2
Regular exercise is vital for maintaining good health. It strengthens your heart and improves circulation, reducing the risk of heart disease. Physical activity also helps manage weight and can boost your mood by releasing endorphins. Furthermore, consistent exercise can improve sleep quality.
Main Idea:
Supporting Detail 1:
Supporting Detail 2:
Passage 3
Learning a new language offers many benefits beyond just communication. It can improve cognitive skills like problem-solving and multitasking. Studies show that bilingual individuals often have better memory and can delay the onset of age-related cognitive decline. It also opens up opportunities to understand different cultures and travel more deeply.
Main Idea:
Supporting Detail 1:
Supporting Detail 2:


Cool Down
Cool-Down: One-Minute Summary
Instructions: In one minute, write a short summary explaining the difference between a main idea and supporting details. Try to use an example from today's activity or create your own!


Script
Untangling Text Twists Script
Warm-Up: Idea Web (5 minutes)
(Teacher): "Good morning/afternoon, everyone! Today, we're going to become detectives of text, learning how to uncover the most important parts of anything we read. To get us started, I want you to take a look at the screen (or the handout if you have one). It's our Warm-Up: Idea Web."
"When you hear the phrases 'main idea' and 'supporting details,' what words, phrases, or ideas immediately pop into your head? Think for about 30 seconds, and then we'll share some of our thoughts. You can write them down or draw connections in the space provided."
(Pause for students to think and write. After 30 seconds, invite students to share.)
(Teacher): "Alright, let's hear some of your initial ideas! What did you come up with for 'main idea'? How about 'supporting details'? Let's create a class 'idea web' on the board as we go."
(Facilitate a brief discussion, writing keywords on the board to form a class idea web. Acknowledge all contributions and gently guide misconceptions.)
(Teacher): "Excellent ideas, everyone! It seems like we all have some understanding of these terms already. Today, we're going to solidify that understanding and practice finding them in different texts."
Introduction to Main Idea & Supporting Details (10 minutes)
(Teacher): "Let's dive deeper. Please turn your attention to the Untangling Text Twists Slide Deck as we go through some key concepts."
(Advance to Slide 1: Untangling Text Twists: Finding the Main Idea)
(Teacher): "Ever read something and felt a little lost? Today, we're going to learn how to untangle those text twists and find the heart of any reading! By the end of this lesson, you'll be able to identify the main idea and at least two supporting details in any text you read. This is a super important skill for all your classes and for understanding the world around you."
(Advance to Slide 2: What's the Big Deal About the Main Idea?)
(Teacher): "So, what exactly is the big deal about the main idea? The main idea is the most important point the author wants to make about the topic. Think of it like the central message – it's what the whole paragraph or passage is mostly about. I like to imagine it as the 'umbrella' that covers all the other smaller ideas. If you had to tell someone what the reading was mostly about in one sentence, that would be your main idea."
(Teacher): "Any questions so far about what a main idea is?"
(Address any questions.)
(Advance to Slide 3: Main Idea Example!)
(Teacher): "Let's look at an example together. I'll read this paragraph aloud, and I want you to listen for the main point. What is this paragraph mostly about?"
(Read Passage 1 from Slide 3: "Many animals use camouflage to protect themselves from predators. Chameleons can change the color of their skin to blend in with their surroundings. Arctic foxes have white fur in winter to hide in the snow and brown fur in summer to match the dirt and rocks. Stick insects look exactly like twigs, making them almost impossible to spot.")
(Teacher): "Take a moment. What do you think is the main idea of this paragraph? Share with a partner quickly, then we'll discuss as a class."
(Allow brief partner discussion.)
(Teacher): "Who would like to share what they think the main idea is?"
(Guide students to identify: "Animals use camouflage to protect themselves." Reveal the answer on the slide.)
(Teacher): "Exactly! That's the big umbrella idea that all the other sentences fit under."
(Advance to Slide 4: What Are Supporting Details?)
(Teacher): "Now, if the main idea is the umbrella, what are the pieces of information that make that umbrella strong? Those are our supporting details. Supporting details are the raindrops that help explain, prove, or describe that main idea."
"They are facts, examples, reasons, or descriptions. They answer questions like: Who? What? When? Where? Why? How? They give more information about the main idea, making it clearer and more convincing."
(Teacher): "Can anyone think of a way supporting details are like the legs of a table? How do they support the main idea?"
(Encourage a few responses.)
(Advance to Slide 5: Supporting Details Example!)
(Teacher): "Let's go back to our camouflage paragraph. We identified the main idea: 'Many animals use camouflage to protect themselves from predators.' Now, I want you to tell me, which sentences in that paragraph gave us more information about how animals use camouflage? What were the specific examples?"
(Read the paragraph again, emphasizing the details. Ask students to identify specific sentences.)
(Teacher): "Yes! The chameleon changing color, the arctic fox's fur changing with the seasons, and the stick insect looking like a twig – these are all supporting details. They give us specific examples of how animals use camouflage. They make the main idea believable and clear."
(Advance to Slide 6: Quick Check! Can You Find Both?)
(Teacher): "Alright, let's do a quick check to see if you can find both. Read this short passage on the screen. Then, in your mind or on a scratch piece of paper, identify the main idea and two supporting details. I'll give you about a minute."
(Read Passage 2 from Slide 6: "The school library is a fantastic resource for students. It has thousands of books on every subject imaginable. Students can also use the computers to do research or print assignments. Plus, there are quiet study spaces perfect for getting homework done.")
(Pause for a minute.)
(Teacher): "Who can tell me the main idea of this passage? And who can give me two supporting details that back up that main idea?"
(Call on students. Guide them to: Main Idea: The school library is a fantastic resource. Supporting Details: thousands of books, computers for research/printing, quiet study spaces.)
(Teacher): "Fantastic! You're really getting the hang of it."
Main Idea Match Activity (10 minutes)
(Advance to Slide 7: Your Turn! Main Idea Match Activity)
(Teacher): "Now it's your turn to be the main idea detective! I'm going to hand out the Main Idea Match Activity worksheet. Your job is to read each of the short passages carefully. For each one, you need to find the main idea and then identify two supporting details that prove or explain that main idea."
"You can work individually or with a partner. Remember the 'umbrella' for the main idea and the 'raindrops' for the supporting details! I'll be walking around to help if you get stuck. You have about 10 minutes for this activity."
(Distribute worksheets. Circulate around the room, providing assistance and clarifying instructions as needed.)
Cool-Down: One-Minute Summary (5 minutes)
(Teacher): "Alright, detectives, bring your focus back up here. To wrap up our lesson today, we're going to do a 'One-Minute Summary.'"
(Project the Cool-Down: One-Minute Summary prompt.)
(Teacher): "On a piece of paper, or in your notebook, I want you to write a short summary, in about one minute, explaining the difference between a main idea and supporting details. Try to use an example from today's activity, or even create your own new example to illustrate your point."
"This is your exit ticket for today, so please do your best to show what you've learned!"
(Allow students one minute to write. Collect the summaries as they finish.)
(Teacher): "Great work today, everyone! You did an excellent job untangling those text twists. Keep practicing these skills as you read, and you'll become master main idea detectors in no time!"


Answer Key
Main Idea Match Answer Key
Passage 1: The Amazon Rainforest
The Amazon Rainforest is an incredibly important ecosystem for the entire planet. It produces more than 20% of the world's oxygen. Millions of unique plant and animal species, many yet undiscovered, call the Amazon home. Additionally, the rainforest helps regulate global weather patterns by absorbing vast amounts of carbon dioxide.
Main Idea: The Amazon Rainforest is an incredibly important ecosystem for the entire planet.
Thought Process: The first sentence clearly states the overall importance of the Amazon. The following sentences then provide specific reasons why it's important (producing oxygen, species habitat, regulating weather), all supporting this initial statement.
Supporting Detail 1: It produces more than 20% of the world's oxygen.
Supporting Detail 2: Millions of unique plant and animal species call the Amazon home.
Other possible supporting details: The rainforest helps regulate global weather patterns by absorbing vast amounts of carbon dioxide.
Passage 2: Regular Exercise
Regular exercise is vital for maintaining good health. It strengthens your heart and improves circulation, reducing the risk of heart disease. Physical activity also helps manage weight and can boost your mood by releasing endorphins. Furthermore, consistent exercise can improve sleep quality.
Main Idea: Regular exercise is vital for maintaining good health.
Thought Process: Similar to Passage 1, the first sentence acts as a topic sentence, presenting the central claim about exercise. The subsequent sentences list various benefits, which serve as evidence for this claim.
Supporting Detail 1: It strengthens your heart and improves circulation, reducing the risk of heart disease.
Supporting Detail 2: Physical activity also helps manage weight and can boost your mood by releasing endorphins.
Other possible supporting details: Consistent exercise can improve sleep quality.
Passage 3: Learning a New Language
Learning a new language offers many benefits beyond just communication. It can improve cognitive skills like problem-solving and multitasking. Studies show that bilingual individuals often have better memory and can delay the onset of age-related cognitive decline. It also opens up opportunities to understand different cultures and travel more deeply.
Main Idea: Learning a new language offers many benefits beyond just communication.
Thought Process: Again, the opening sentence establishes the main point – that learning a new language has multiple advantages. The rest of the passage then elaborates on these advantages, providing specific examples of cognitive and cultural benefits.
Supporting Detail 1: It can improve cognitive skills like problem-solving and multitasking.
Supporting Detail 2: Studies show that bilingual individuals often have better memory and can delay the onset of age-related cognitive decline.
Other possible supporting details: It also opens up opportunities to understand different cultures and travel more deeply.

