Main Idea and Details Quiz

Grade 1 · English · Quiz

Practice finding the main idea and supporting details in short paragraphs!

Questions

1. What is the main idea of a paragraph?

   1. The longest sentence
   2. What the whole paragraph is mostly about
   3. The last sentence
   4. A detail about one thing
   Show answer

   Answer: What the whole paragraph is mostly about

   The main idea is the central point the entire paragraph focuses on.

2. Details give more information about the main idea.

   Show answer

   Answer: True

   Supporting details are the facts, examples, and descriptions that give more information about the main idea.

3. Read: 'Fish live in water. They have fins to swim. They breathe through gills.' What is the main idea?

   1. Fish have fins.
   2. Fish breathe through gills.
   3. Fish live in water.
   4. Fish are small.
   Show answer

   Answer: Fish live in water.

   The paragraph is all about fish and water — fins and gills are details that explain how fish live in water.

4. Supporting details are facts or examples that tell more about the ___ idea.

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   Answer: main

   Supporting details back up and tell more about the main idea of the paragraph.

5. Every paragraph has exactly one main idea.

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   Answer: True

   A paragraph is built around one central topic or main idea — multiple main ideas would make it confusing.

6. In the sentence 'Dogs make great pets,' the words 'they are loyal' would be a:

   1. main idea
   2. title
   3. supporting detail
   4. question
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   Answer: supporting detail

   'They are loyal' is a specific reason that supports the main idea 'dogs make great pets.'

7. To find the main idea, ask yourself: 'What is this ___ about?'

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   Answer: mostly

   Asking 'What is this mostly about?' helps you find the big umbrella idea, not just one small detail.

8. The main idea is always the very first sentence in a paragraph.

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   Answer: False

   The main idea can appear at the beginning, middle, or end — writers choose where to place it.

9. Read: 'Apples are healthy. They have vitamins. They are crunchy and delicious.' Which sentence is a DETAIL?

   1. Apples are healthy.
   2. They have vitamins.
   3. Apples are fruit.
   4. Apples grow on trees.
   Show answer

   Answer: They have vitamins.

   'They have vitamins' is a specific fact — a supporting detail. 'Apples are healthy' is the main idea.

10. Which is the best MAIN IDEA for these details: 'It is fun. It keeps you healthy. You can do it with friends.'?

    1. Running is fast.
    2. Exercise is good for you.
    3. Friends are nice.
    4. Healthy food matters.
    Show answer

    Answer: Exercise is good for you.

    All three details (fun, healthy, with friends) support the main idea that exercise is beneficial.

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