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1st Grade Reading (Common Core) • Reading Informational Text

Find the Main Topic & Retell Key Details

Learn how to figure out what a text is mostly about, and share the most important parts!

Explore the lesson 8 min read
An open book with reading glasses and a speech symbol for elementary reading
Inside this lesson 10 sections 5 questions 5 figures

Section 1

Why Do We Learn to Find the Main Topic?

People have been telling each other about what they read for a very, very long time! When someone reads a book or a sign, they want to share the most important part with a friend. That is why we learn to find the main topic. The main topic is what a text is mostly about.

Here is a fun look at how people have shared ideas over time:

Long, Long Ago

People drew pictures on cave walls to share their ideas. Others looked at the pictures and told friends what they saw.

Thousands of Years Ago

People began writing on paper. Teachers taught children to read and tell back the important parts.

Hundreds of Years Ago

The printing press was made. Books were shared with many people. Readers talked about the main ideas in books.

Today

We read books, websites, and more. Knowing the main topic helps us understand and share what we read every day!

So here is the big question: When you read something, how do you figure out what it is mostly about? That is what this lesson will teach you!

Section 2

Big Ideas to Know

Before we practice, let's learn four important words and ideas. These will help you become a super reader!

1

Main Topic

The main topic is what the whole text is mostly about. You can often say it in just one or two words, like "frogs" or "the ocean."
2

Key Details

Key details are important facts that tell us more about the main topic. They answer questions like who, what, where, when, and why.
3

Retell

To retell means to say the important parts of the text in your own words. You do not have to say every word. Just the big parts!
4

Informational Text

An informational text is writing that gives us true facts. It teaches us about real things, like animals, weather, or places.
✦

Key Takeaway

Think of it like a pizza! 🍕 The main topic is the whole pizza. The key details are the toppings — they make the pizza special and give it more taste. When you retell, you tell a friend what kind of pizza it was and what was on it!

Section 3

Picture It: Main Topic & Key Details

Look at this picture. It shows how the main topic sits in the middle, and the key details go all around it, like a sun with rays!

MAINTOPIC🐸 FrogsDetail 1Frogs can jump farDetail 2They live near waterDetail 3Frogs eat bugsDetail 4They start as tadpolesDetail 5Frogs say "ribbit!"All the details connect to ONE main topic.

See how the big circle in the middle says "Frogs"? That is the main topic. All the smaller bubbles around it are key details. They all tell us something about frogs. When you retell, you say the main topic and a few of these details!

Section 4

How to Find the Main Topic and Key Details

Here are three easy steps you can use every time you read. Try them and you will get better and better!

1Read the text.Read it carefully. Look at the titleand any pictures too!2Ask: What is it mostly about?Think: What one thing do mostsentences talk about? That isthe main topic! 🎯3Find key details.Look for important facts that tellyou MORE about the main topic.Now retell them in your words! 🗣️⭐ Read → Ask → Find → Retell! ⭐

Let's put these steps into a simple way to remember: Read, Ask, Find, Retell! You read the text. You ask, "What is this mostly about?" You find the key details. Then you retell it to someone. Easy!

Section 5

A Closer Look: Sorting Details

Not every sentence is a key detail. Some sentences are just extra fun parts. Key details are the ones that help you understand the main topic. Let's look at a short text about dogs and sort out which facts are key details.

📝

Dogs

Dogs are great pets. They can be big or small. Dogs need food and water every day. They love to play with people. Some dogs can learn tricks like "sit" and "shake."

The main topic is dogs. Now let's sort the details!

Key DetailWhy It Matters
Dogs can be big or small.Tells us about what dogs look like.
They need food and water every day.Tells us how to care for dogs.
They love to play with people.Tells us what dogs do.
Some dogs learn tricks.Tells us something cool dogs can do.

How Important Is the Detail?

Key Detail Just for Fun

When you retell, pick the details that are very important. You don't need to say every single sentence!

Section 6

Let's Try One Together!

Here is a short text. We will use our steps to find the main topic and retell the key details.

📝

Apples

Apples grow on trees. They can be red, green, or yellow. People eat apples as a snack. You can also make apple juice and apple pie. Apples are a healthy food.

Finding the Main Topic and Key Details

  1. 1

    Step 1 — Read the Text

    We read all five sentences. We also see the title is "Apples."
  2. 2

    Step 2 — Ask: What Is It Mostly About?

    Every sentence talks about apples. So the main topic is apples! 🍎
  3. 3

    Step 3 — Find the Key Details

    Key detail 1: Apples grow on trees. Key detail 2: They can be red, green, or yellow. Key detail 3: People eat them as a snack or make juice and pie. Key detail 4: Apples are a healthy food.
  4. 4

    Step 4 — Retell!

    Here is how we can retell it: "This text is about apples. Apples grow on trees. They come in different colors. People eat apples as snacks and use them to make juice and pie. Apples are healthy!"
    Great job! We said the main topic and shared the most important parts. 🌟

Section 7

Compare: Main Topic vs. Key Details

Sometimes kids mix up the main topic and the key details. Let's see how they are different!

Main TopicKey Details
What the whole text is aboutSmall pieces of information inside the text
Usually 1–2 wordsUsually full sentences
Like the name of a movie 🎬Like the scenes in the movie 🎥
Example: "Penguins"Example: "Penguins live where it is cold."
You say it first when retellingYou say these after the main topic
✦

Key Takeaway

Imagine you draw a picture. 🖼️ The main topic is like the title of your drawing. The key details are the things you drew in the picture — the sun, the house, the tree. You need all of them to tell someone about your drawing!

Section 8

Keep Growing as a Reader!

Right now, you are learning to find the main topic and share key details. As you keep reading, you will learn even more cool things! Here is a peek at what comes next.

What You Learn NowWhat Comes Next
Find the main topicFind the main idea (a full sentence!)
Retell key detailsWrite a summary (a short paragraph)
Tell what you readExplain why the details matter

Every time you practice finding the main topic, you are getting ready for bigger reading skills. You are doing awesome! Keep going! 🚀

Section 9

Practice Time! 🎉

Try these problems. Read each one and think before you peek at the answer!

Question 1: Problem 1 — What Does It Mean?

What is a "main topic"?
Show answer
The main topic is what a text is mostly about. It can usually be said in one or two words. Good job if you got that! ⭐

Question 2: Problem 2 — Find the Main Topic

Read the passage: "Cats — Cats are soft and fluffy. They like to sleep a lot. Cats purr when they are happy. Some cats like to chase toys." What is the main topic of this text?
Show answer
The main topic is cats! Every sentence tells us something about cats. The title says "Cats" too. That is a great clue! 🐱

Question 3: Problem 3 — Find the Key Details

Read the passage: "Rain — Rain falls from clouds. It helps flowers and trees grow. People use umbrellas when it rains. Rain fills up rivers and lakes." Name two key details from this text.
Show answer
There are many key details! Here are some you could pick: 🌧️ Rain falls from clouds. 🌷 Rain helps flowers and trees grow. ☂️ People use umbrellas when it rains. 🌊 Rain fills up rivers and lakes. If you said any two of these, you did a great job! 🎉

Question 4: Problem 4 — Retell the Text

Read the passage: "The Sun — The sun is a star. It gives us light during the day. The sun keeps us warm. Plants need the sun to grow. Without the sun, Earth would be very cold and dark." Retell this text in your own words. Say the main topic and at least two key details.
Show answer
Here is one way to retell it: "This text is about the sun. The sun is a star that gives us light. It keeps us warm and helps plants grow." Your words might be a little different. That is okay! As long as you say the main topic and a few important facts, you are retelling like a star reader! ☀️

Question 5: Problem 5 — Think Harder!

Read the passage: "Helping at Home — Kids can help at home in many ways. You can set the table before dinner. You can pick up your toys. Helping with the dog is fun too. When you help, your family is happy." What is the main topic? Now think: which sentence tells us WHY it is good to help? That is a special kind of key detail!
Show answer
The main topic is helping at home. The sentence that tells us why is: "When you help, your family is happy." This is a special detail because it does not just tell what — it tells why helping matters. You are thinking like a super reader! 🧠🌟

Summary

What We Learned

Summary

Today we learned how to find the main topic of a text — that means what the text is mostly about. We learned that key details are the important facts that tell us more about the main topic. To retell, we say the main topic and the key details in our own words.

We used the steps Read, Ask, Find, Retell to practice. We saw that key details answer questions like who, what, where, when, and why. Remember: the main topic is like the title of your drawing, and the key details are the things in the drawing. Keep reading and retelling — you are becoming an amazing reader! 📚⭐

Varsity Tutors • 1st Grade English Language Arts • Identify the Main Topic & Retell Key Details