First Meeting: Main Idea
What is the Main Idea?
The main idea is the most important point or the central message that the writer wants to convey in a text or paragraph.
It tells us what the text is mostly about.
In short:
The main idea = what the text mainly talks about.
Where Can We Find the Main Idea?
The main idea can appear in different places:
-
At the beginning of a paragraph (topic sentence first)
At the end of a paragraph (concluding sentence).
Supporting Details
Supporting details are sentences that explain, prove, or give examples of the main idea.
They help the reader understand the main point more clearly.
| Main Idea | Supporting Details |
|---|---|
| Social media affects students’ study habits. | Many students spend too much time online. Some use social media for learning, while others get distracted. |
Read the Text Carefully
This following text is for number 1-2
Sea Animals and Their World
The ocean is full of incredible sea animals that play important roles in nature. Whales, dolphins, turtles, and many small fish help keep the ocean balanced. Some eat harmful plants or clean up dead materials, while others provide food for bigger animals. Every creature, no matter how small, helps the ocean stay healthy.
Unfortunately, many sea animals face serious threats today. Pollution, plastic waste, and overfishing make it hard for them to survive. Turtles often eat plastic because they think it’s food, and coral reefs are being destroyed by rising ocean temperatures. People must work together to protect sea life before it’s too late.
1. What is the main idea of paragraph 1?
a. Whales and dolphins are the most important animals in the ocean.
b. Sea animals are beautiful and colorful.
c. Sea animals help keep the ocean clean and balanced.
d. The ocean is full of dangerous sea animals.
2. What is the main idea of paragraph 2?
a. Many sea animals are in danger because of human activities.
b. People should stop eating fish.
c. Sea turtles are the smartest ocean animals.
d. Coral reefs are beautiful places under the sea.
This following text is for number 3-4
The Development of Smartphones
In the past, mobile phones were used only for calling and sending text messages. They were big, heavy, and had very few features. As technology developed, phones became smaller, faster, and smarter. Today, smartphones can do almost everything—take photos, play music, access the internet, and even help people work and study.
The development of smartphones has changed people’s lives in many ways. Communication is now faster and easier. People can connect with friends and family anywhere in the world. However, smartphones also bring new challenges, such as addiction and less face-to-face communication.
3. What is the main idea of the text?
a. Smartphones have become less useful and created problems for many people.
b. Smartphones have developed and give benefits and problems to people’s lives.
c. Smartphones were simpler in the past and did not affect people’s daily lives.
d. Smartphones are now common devices that people use only for communication.
4. What is the main idea of the first paragraph?
a. Smartphones are only used for communication.
b. Technology has stopped developing since smartphone created.
c. Mobile phones were better in the past than nowadays.
d. Phones have changed from simple devices to powerful tools.
Click here for practice>>>>>>ING1_MAIN IDEA
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