What Are Key Details? Make the Concept Stick for Students

In our information-rich world, helping students navigate and understand what they read is more important than ever. But it’s easy for them to get caught up in all the new information they’re learning, which makes it harder to pinpoint what’s actually important. Learning how to spot key details in a text can help.

Today, we’re looking at what key details are, how students can identify them, and how this literacy skill affects many other aspects of cross-curricular instruction.

• What are key details?
• Why do students need to be able to identify key details?
• Strategies to teach students how to identify key details
• Frequently asked questions about key details

[What are key details?](id-what)

Key details are important ideas within a text that support, prove, or clarify the main idea. They can also help validate a main idea. This means, especially in informational texts, they support the author’s stance or point of view with evidence. Key details serve one or more of three primary purposes in any text:

• Answering questions
• Making sense of information
• Serving as reasons, facts, or examples to give a more complete view of the topic

Finding key details can be a difficult concept for students to understand, especially in the early elementary grades. This happens because it’s difficult to distinguish between key details and extraneous details. Here’s a helpful way to break down the differences for students.

• Key details: These details explain the main idea, answer a reader’s questions about it, and provide examples or reasons to clarify the main idea.
• Extraneous details: These details provide more information about key details and may not be important enough to include in a retelling or summary.

To scaffold the concept, you can describe key details in other ways to give students a more concrete idea of what they’re looking for in a text. Other definitions might explain that key details:

• Share essential information about a topic.
• Answer who, what, when, where, why, and how
• Help define unfamiliar words
• Help strengthen an author’s point of view
• Connect one part of a story plot to the next

[Why do students need to be able to identify key details?](id-why)

Identifying the main idea and key details is essential for effective reading comprehension. Here are some of the ways learning how to spot key details in a text can benefit students throughout their education and lives:

• Academic success: Identifying key details is a crucial skill to pass standardized tests and navigate texts across the curriculum at every grade level. 
• Improved writing: Students who can identify key details in others’ writing may have an easier time including supporting evidence in their own arguments, explanations, and creative works.
• Active reading: Looking for key details in a text encourages students to engage with the piece more deeply, make predictions, and reflect on what they read.
• Information evaluation: Distinguishing between relevant and irrelevant details improves analytical reading and critical thinking skills.

[Strategies to teach students how to identify key details](id-how)

Teaching students about key details doesn’t have to be tricky! Try these strategies for different age groups to teach and reinforce this literacy skill:

Foundational key details strategies for early elementary students (K-2)

For the youngest grade band of students, explicit instruction, modeling, and using concrete examples are key to helping them learn how to identify key details. These methods work alongside reading instruction to help them not just learn how to read, but why we read. Try strategies like:

• Doing read-alouds with the 5Ws and 1H: During read-alouds, pause to ask who, what, when, where, why, and how questions to help students locate key details.
• Encouraging retellings: Ask students to retell stories, including the most important information about the beginning, middle, and end.
• Using visual aids: Add pictures, sequencing cards, puppets, or other manipulatives to read-alouds to represent story elements. This can help visual learners connect details to the overall plot.
• Trying a block analogy: Use building blocks to show students how a few smaller blocks (key details) can support a larger block (the main idea).
• Using a puzzle analogy: Use puzzles to show students how connecting individual pieces (key details) can create a larger picture (the main idea).

Deepen key details understanding for upper elementary (3-5) and middle school (6-8)

For upper elementary and middle school students who have transitioned from learning to read to reading to learn, you can use these strategies to deepen their understanding of why identifying and using key details are essential:

• Teach highlighting skills: Encourage students to limit highlighting or note-taking to only two or three key details per section, teaching them to focus on important information instead of over-highlighting texts.
• Use graphic organizers: Use printable or digital graphic organizers so students can jot down key details after reading and highlighting.
• Try a detail sorting activity: Have students sort details they find into two columns using a T-chart. One side is “Key to Understanding,” and the other is “Interesting but Not Important.”
• Do think-alouds: Model your thought process while reading to show students how to decide if a detail helps them understand the main idea.
• Chunk and summarize: Teach students to pause at the end of each paragraph in a longer text and write down one key detail. By the end of the text, they’ll be able to summarize the information using their notes.
• Identify repeated words: Teach students to scan texts for repeated words and phrases. These can often signal the main idea or key details.
• Analyzing text features: Guide students to examine titles, headings, subheadings, images, graphs, and captions for clues about the topic and main idea before they begin reading.
• Identify signal words: Teach students that specific words and phrases can signal key details in a text.
• Look for other in-text cues: Show students that certain parts of speech and sentence constructions may signal key details in a text.

Key details signal words

Share these key detail signal words with students: 

• For example
• For instance
• In addition
• Another
• Furthermore
• Moreover
• Therefore
• First/second/third
• Next/then/last/finally

Other in-text key details cues

Share these in-text key details cues with students:

• Information that answers who, what, where, when, why, or how
• Specific names of people, places, or things
• Action verbs
• Sensory language
• Adjectives and adverbs

Reinforce key details identification for high schoolers (9-12)

For your oldest students, reminding them to look for key details in texts and use them in writing, debates, and source analysis can help them better understand more complex texts. Try strategies like:

• Close reading and annotation: Teach students to annotate texts by marking details that support claims or themes.
• Justifying choices: Have students defend why they selected the key details they did in a text and how they support the main idea.
• Open-ended assessments: Rather than using multiple-choice questions on assessments, ask open-ended questions like “Choose two details you think are most important in this text and explain how they support the main idea.”
• Fact-checking games: Use games that require students to compare two sources and identify reliable details to build their media literacy skills.
• Connecting across subjects: Show students how key details may appear differently across subjects, such as data in science, causes and effects in history, and themes or character actions in literature.

[Frequently asked questions about key details](id-faq)

Still have questions about teaching key details in your classroom? We’ve got answers!

Are there different types of key details students can identify?

There are various types of key details that students can identify to support the main idea. Some of these include:

1. Comparisons and contrasts: Details that show how one person, place, thing, idea, or situation is similar or different from another
2. Statistics: Numerical data, usually given in percentages or ratios
3. Results: Numerical or non-numerical outcomes of a test or experiment
4. Impact: The effects of results on a particular person, place, thing, idea, or situation
5. Graphs: Diagrams that show the relationships among different data sets
6. Quotations: Word-for-word accounts from an authority or eyewitness
7. Sensory descriptors: Details that describe how to experience a thing or situation with one or more of the five senses
8. Examples: Real-world items or situations that illustrate the main idea
9. Anecdotes: Short stories or explanations about a person, place, thing, idea, or situation
10. Definitions: Short descriptions that explain what a word means

Are key details and supporting details the same thing?

Yes, supporting details is another term for key details. You can use them interchangeably. Different curricula, materials, or tools may refer to this skill by one name or the other.

Do key details only exist in texts?

Sometimes key details live outside of written text. In picture books, videos, and other types of multimedia, visuals often contain supporting details that help students understand the main idea of the story or content. To make students aware of this, teach them how to look for details in multimedia, like photos, illustrations, and videos.

How can I differentiate lessons on key details?

You can differentiate these kinds of lessons for diverse learners the same way you would do it for other literary skills. Offering simplified texts, pairing visuals with key details, and encouraging group discussions before independent work are all helpful strategies. 

To support English language learners (ELLs) and struggling readers specifically, you can provide sentence frames like “[DETAIL] is a key detail because it shows [X]” to provide additional support for sharing and communicating their answers.

How can I help students transfer their key details skills from lessons to assessments? 

Consistent modeling, practice opportunities, and using many of the strategies provided for your students’ grade band above can help them improve their ability to apply key detail skills on assessments. Unlike learning math formulas or memorizing facts, literacy skills are something students build over time with thoughtful guidance and repeated practice.

Teach key details with Newsela

To find key details in a text, students need to read it carefully and look for important information that supports the main idea. However, it’s easier to teach this literacy skill with relevant, real-world, and engaging content rather than outdated basal readers. That’s why teaching key details with Newsela ELA is easy! Not only do you get access to over 18,000 pieces of high-quality content, but you can level up your content-rich instruction with scaffolds and features like:

• Annotations that let you and your students mark key details in the text. Use them when modeling the skill and have students use annotations independently to practice.
• Power Words that provide definitions for unknown terms and make identifying key details that include new words easier.
• In-product search features that help you identify which skills each piece of content covers.
• Assignment controls that let you select which skills to teach and assess with each article.
• Checks for understanding, powered by Luna, your AI-assistant, and embedded throughout informational and news texts that let students do close reading by slowing down, practicing language and vocabulary development, and focusing on key details while reading. 

Not a Newsela customer yet? You can sign up for your free Newsela Lite account and start your 45-day trial to get access to the content and skill-building scaffolds you need to teach students how to identify key details.