Main Idea & Supporting Details
Identify the central idea of a passage and distinguish it from supporting details.
Main Idea & Supporting Details
Identify the central idea of a passage and distinguish it from supporting details.
Language Arts - Grade 2-3
- 1
Read this paragraph: 'Dogs make great pets. They are loyal and friendly. Dogs can be trained to do many tricks. They also protect their owners.' What is the main idea?
The main idea is that dogs make great pets. - 2
Using the same paragraph, which detail best supports the main idea?
Any of the supporting sentences directly supports why dogs are great pets, e.g., 'They are loyal and friendly.' - 3
What is the difference between the main idea and the topic of a passage?
The topic is the subject (what it is about); the main idea is the most important point the author makes about that topic. - 4
A paragraph says: 'Butterflies go through four stages. First they are eggs. Then they become caterpillars. Next they form a chrysalis. Finally they emerge as butterflies.' What is the main idea?
The main idea is that butterflies go through four stages of development. - 5
Write one supporting detail you could use for this main idea: 'Exercise is important for your health.'
Answers vary, e.g., 'Exercise strengthens your heart and muscles.' - 6
True or False: Supporting details can be opinions.
False. Supporting details are facts or examples that back up the main idea. - 7
A paragraph about a library says: 'The library has many resources.' Is this a good main idea sentence? Why or why not?
Answers vary. It could be a main idea, but it is vague. A stronger main idea would state what kind of resources and why they matter. - 8
Write a main idea sentence about the topic of recycling.
Answers vary, e.g., 'Recycling helps reduce waste and protect the environment.'