Students correct three main idea errors — dolphins described as just living in water, a recycling detail mistaken for the article's point, and a summary including every sentence. Part B has four fill-in-the-blank questions about main ideas, supporting details, and summaries. Part C has two short-answer questions about why finding the main idea matters and how to distinguish a detail.
Correcting overly narrow main ideas builds the habit of asking what the whole paragraph is about.
Style:
Main Idea and Summarizing
Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1. Fix the sentence:
The main idea of a paragraph about dolphins is that dolphins live in water.
Rewrite: The main idea of a paragraph about dolphins is that dolphins are intelligent ocean mammals.
2. Fix the sentence:
A passage about recycling has the main idea that plastic bottles go in blue bins.
Rewrite: A passage about recycling has the main idea that recycling helps reduce waste and protect the environment.
3. Fix the sentence:
The summary of a story about a lost puppy should include every sentence from the story.
Rewrite: The summary of a story about a lost puppy should include only the most important events.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. The main idea is the most important point the author wants you to understand.
2. Supporting details are facts or examples that explain the main idea.
3. A good summary includes only the most important information from a passage.
4. When you summarize, you retell the text in your own words.
Part C: Short Answer
Answer each question in one or two complete sentences.
1. Why is it important to find the main idea before you write a summary?
Finding the main idea helps you know which details matter most so your summary stays short and focused.
2. How can you tell a supporting detail from the main idea?
A supporting detail gives extra information or an example, while the main idea is the big point the whole passage is about.
Main Idea and Summarizing
★ Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1) Fix the sentence:
The main idea of a paragraph about dolphins is that dolphins live in water.
Rewrite: The main idea of a paragraph about dolphins is that dolphins are intelligent ocean mammals.
2) Fix the sentence:
A passage about recycling has the main idea that plastic bottles go in blue bins.
Rewrite: A passage about recycling has the main idea that recycling helps reduce waste and protect the environment.
3) Fix the sentence:
The summary of a story about a lost puppy should include every sentence from the story.
Rewrite: The summary of a story about a lost puppy should include only the most important events.
★ Part B: Fill in the Blank
Write the missing word or number on each line.
1) The main idea is the most important point the author wants you to understand.
2) Supporting details are facts or examples that explain the main idea.
3) A good summary includes only the most important information from a passage.
4) When you summarize, you retell the text in your own words.
★ Part C: Short Answer
Answer each question in one or two complete sentences.
1) Why is it important to find the main idea before you write a summary?
Finding the main idea helps you know which details matter most so your summary stays short and focused.
2) How can you tell a supporting detail from the main idea?
A supporting detail gives extra information or an example, while the main idea is the big point the whole passage is about.
Ready to Practice?
Complete each section carefully.
9 Questions
15-20 minutes
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