Central Idea and Key Details
Written by Adi Ackerman, Head Teacher
"Central Idea and Key Details" is written for 6th Grade (Ages 11-12), and it covers Common Core RI.6.2. If your student is a year younger but already steady on main idea and details, the page still works. You may just need to read the instructions out loud. And if they are older and main idea never quite stuck, this is a short review rather than busywork.


2 pages in this set
6th grade reading worksheet: read When Coral Turns White, then write its central idea and 3 key details about bleaching. Answer key included. Part of our main idea collection. Aligned to Common Core standards.
How do I use this worksheet?
Start with Which Detail Supports the Central Idea? for quick practice, then move to the full articles. Ask students to explain why each wrong choice is too narrow or off topic.
What students will practice
- Students will read an article about coral reefs and coral bleaching.
- Students will write the central idea in one sentence and 3 key details that support it.
- Students will judge whether a detail about reef species explains how bleaching happens.
Curriculum Links
Common Core State Standards
Reading: Informational Text · 6th Grade
Standard: Determine a central idea of a text and how it is conveyed through particular details; provide a summary of the text distinct from personal opinions or judgments.
View all RI.6.2 worksheets →Find this in the curriculum
Browse the grade, subject, and topic this belongs to.
FAQ
How do I use this main idea worksheet?
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Start with Which Detail Supports the Central Idea? for quick practice, then move to the full articles. Ask students to explain why each wrong choice is too narrow or off topic.
What does this worksheet teach?
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Read When Coral Turns White, then write its central idea and 3 key details about bleaching. The central idea is the most important point of an article, and key details are the facts that explain or support it. The directions on the page read: Read the article. Then write its central idea and three key details on page 2, and answer the question. An answer key is included.
Can I use this main idea worksheet for homeschool or classroom?
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Yes, both. We made it for 6th Grade main idea and details, and the page works the same whether it lands on a kitchen table or a center rotation. At home, most families go through it together and talk the answers out loud, and that talking is where most of the learning happens with main idea. In class it runs well as independent work while you pull a small group. Print one copy or thirty, whichever the day needs.
How do you find the central idea of an article?
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Ask what the whole article is mostly about, then check that most details support it. In Find the Central Idea of an Article, the octopus article is about how octopuses solve problems, not just about opening jars.
What is a supporting detail?
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A fact or example that proves or explains the central idea. Which Detail Supports the Central Idea? has students reject true details that do not help, like where the Sahara is.
Why do some answer choices sound right but are wrong?
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Some choices are only one detail, such as some octopuses open jars, or a fact that is true but too narrow. The central idea must cover the whole article.
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Worksheet Details
| Grade | 6th Grade |
| Subject | Reading |
| Topic | Main Idea and Details |
| Standard | RI.6.2 |
| Pages | 2 pages |
| Difficulty | Medium |
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