LAFS.4.RI.1.2

Determine the main idea of a text and explain how it is supported by key details; summarize the text.
General Information
Subject Area: English Language Arts
Grade: 4
Strand: Reading Standards for Informational Text
Idea: Level 2: Basic Application of Skills & Concepts
Date Adopted or Revised: 12/10
Date of Last Rating: 02/14
Status: State Board Approved
Assessed: Yes
Test Item Specifications
  • Item Type(s): This benchmark may be assessed using: TM , EBSR , MS , ST , MC item(s)

  • Assessment Limits :
    Items may ask the student to determine the main idea and which details support the main idea. The main idea may be explicitly or implicitly stated. Items may ask the student to summarize the text.
  • Text Types :
    The items assessing this standard may be used with one or more grade-appropriate informational texts. Texts may vary in complexity.
  • Response Mechanisms :
    The Enhanced Item Descriptions section on page 3 provides a list of Response Mechanisms that may be used to assess this standard (excluding the Editing Task Choice item type). The Sample Response Mechanisms may include, but are not limited to, the examples below.
  • Task Demand and Sample Response Mechanisms :

    Task Demand

    Determine a main idea of a text and explain how it is supported by key details.

    Sample Response Mechanisms

    Selectable Text

    • Requires the student to select the main idea of the text and then to select details from the text that support the main idea. 
    EBSR
    • Requires the student to select a main idea and then to select a detail or details from the text to support the main idea.
    Task Demand

    Provide a summary of the text. 

    Sample Response Mechanisms

    Selectable Text

    • Requires the student to select details from the text that are necessary for a summary. 
    Multiple Choice
    • Requires the student to identify the correct summary of the text. 
    Multiselect 
    • Requires the student to select multiple details from the text that are necessary for a summary. 
    Table Match
    • Requires the student to complete a table that creates a summary of a text.

Related Courses

This benchmark is part of these courses.
5010010: English for Speakers of Other Languages-Elementary (Specifically in versions: 2014 - 2015, 2015 - 2022 (course terminated))
5010020: Basic Skills in Reading-K-2 (Specifically in versions: 2014 - 2015, 2015 - 2021, 2021 and beyond (current))
5010030: Functional Basic Skills in Communications-Elementary (Specifically in versions: 2014 - 2015, 2015 and beyond (current))
5021060: Social Studies Grade 4 (Specifically in versions: 2014 - 2015, 2015 - 2022 (current), 2022 - 2023, 2023 and beyond)
5010045: Language Arts - Grade Four (Specifically in versions: 2014 - 2015, 2015 - 2022 (current), 2022 and beyond)
7710015: Access Language Arts - Grade 4 (Specifically in versions: 2014 - 2015, 2015 - 2018, 2018 - 2023 (current), 2023 and beyond)
7721015: Access Social Studies - Grade 4 (Specifically in versions: 2014 - 2015, 2015 - 2018, 2018 - 2023 (current), 2023 and beyond)
5011040: Library Skills/Information Literacy 4 (Specifically in versions: 2016 - 2022 (current), 2022 - 2023, 2023 and beyond)
5010104: Introduction to Debate Grade 4 (Specifically in versions: 2020 - 2022 (current), 2022 and beyond)

Related Access Points

Alternate version of this benchmark for students with significant cognitive disabilities.
LAFS.4.RI.1.AP.2a: Determine the main idea of an informational text.
LAFS.4.RI.1.AP.2b: Identify supporting details of an informational text.
LAFS.4.RI.1.AP.2c: Identify how ideas are organized to summarize the text.

Related Resources

Vetted resources educators can use to teach the concepts and skills in this benchmark.

Lesson Plans

Railroads Change Florida: Henry Flagler in Florida:

Henry Flagler was the founder of what became the Florida East Coast Railway. During the 1880s and 1890s, Henry Flagler expanded train lines through Jacksonville and down the East coast to Miami.

Henry Flagler began the Oversea Railway in 1906 to connect Miami to Key West. This ambitious and innovative project required money, earth-moving, man-hours, and miles of bridges. In this lesson students analyze a letter from Henry Flagler to learn about about Flagler and his contributions to Florida.

Type: Lesson Plan

Florida in the Civil War: Risking Their Lives for Salt:

With the seemingly limitless supply of salt available to us today, it is hard to imagine the hardship imposed by its lack. The Confederate army's meat supply was preserved with salt. With the Union blockade in place, the Confederate states turned to local sources for this important mineral. Salt production became a crucial endeavor for citizens of Florida. In this lesson students will compare Confederate and Union perspectives of the salt works using an illustration, a letter and an excerpt from a memoir.

Type: Lesson Plan

Shall We Rescue the Amazon?:

In this lesson, students will learn how humans are impacting the environment by reading various informational texts on the topic of saving the rain forests. Students will determine the meanings of unknown content-specific words and identify the main idea and supporting details within the text. They will write a summary of the text and respond to a prompt by writing an opinion essay.

Type: Lesson Plan

Differentiating Instruction: Finding the Main Idea and Supporting Details in Informational Texts:

This lesson is meant to be done in small groups at the students' individual reading levels. Students will read an informational text, will identify the main idea and supporting details, and record their findings on a graphic organizer. They will use the informational text and their graphic organizer to create a summary based on the text. The students will also answer questions based on the text. As a summative assessment for the lesson, the students will repeat this activity using a different informational text and will conduct the work alone, rather than in a group.

Type: Lesson Plan

Wake up America!:

Students explore the impact plants, animals, and humans are having on the environment - especially native plants and animals. This lesson has some interesting hands-on investigations to help students visualize the impact pollution is having on habitats. For the final project, students use their research to create a class book informing others about plants and animals that are endangered. Students also share ways people can help!

This lesson includes reading and writing activities that could be integrated into daily reading and language arts time blocks.

Type: Lesson Plan

Holey Rusted Metal!:

Students will conduct a guided inquiry lab involving the chemical change that creates rust. This lab is meant to be set up in one day and then observed over the course of 3 weeks.

Type: Lesson Plan

Sound-Why can we hear it?:

Using a main idea and detail organizer students will identify the different details about sound that relate to the main idea. Students will also be able to understand the concept of using an informational text to help them comprehend information about a science topic.

Type: Lesson Plan

Properties of Matter: Mass, Shape, and Volume:

Using the main idea and details graphic organizer, students will be able to distinguish between information given on the properties of matter – mass, shape, and volume. Students will also demonstrate their understanding of science concepts learned from reading an informational text passage on the properties of matter.

Type: Lesson Plan

Magnets and Magnetism:

This lesson demonstrates how students can apply the process of identifying main idea and supporting details to show how the force of magnetism works and how it can be useful in everyday life. The lesson provides an opportunity for students to interact with informational text and participate in a jigsaw learning activity.

Type: Lesson Plan

Chemical Changes: Burning:

This lesson demonstrates how students can apply the process of identifying main idea and supporting details to show the different ways burning can chemically change matter. The students can identify these changes and discuss the details that support these changes, which will help them further understand how burning matter is considered a chemical change.

Type: Lesson Plan

Close Reading Exemplar: "The Making of a Scientist":

The goal of this two to three day exemplar is to give students the opportunity to use the reading and writing habits they've been practicing on a regular basis to absorb deep lessons from Richard Feynman's recollections of interactions with his father. By reading and rereading the passage closely, and focusing their reading through a series of questions and discussion about the text, students will identify how and why Feynman started to look at the world through the eyes of a scientist. When combined with writing about the passage, students will discover how much they can learn from a memoir.

Type: Lesson Plan

What's your Resource: Renewable or Nonrenewable?:

Students will learn about renewable and nonrenewable resources and share their ideas by writing an expository paragraph.

Type: Lesson Plan

Original Student Tutorial

Uncovering the Main Idea:

Learn how to identify explicit evidence and understand implicit meaning in a text

Sometimes the main idea likes to hide out in the texts that you read. Lenny Lizard will give you some pointers on how to uncover the main idea and use key details to support your answers.

By the end of this tutorial, you will be able to find the directly and indirectly stated main idea of a text. You will also learn how to identify and explain how key details support the main idea.

Type: Original Student Tutorial

Student Center Activities

Edcite: ELA Reading Grade 4-5:

Students can practice answering reading comprehension questions with a text about online learning. With an account, students can save their work and send it to their teacher when complete.

Type: Student Center Activity

Comprehension: Sum-thing Special:

In this activity, students will summarize text using a graphic organizer.

Type: Student Center Activity

Comprehension: Classic Classifying:

In this activity, students will record key words/phrases in categories on a graphic organizer to generate main idea statements.

Type: Student Center Activity

Comprehension: Distinguishing Details:

In this activity, students will identify significant and minor details in text.

Type: Student Center Activity

Comprehension: Expository Exploration:

In this activity, students will identify the main topic, supporting details, and main idea(s) in text using a graphic organizer.

Type: Student Center Activity

Comprehension: Main Idea Highlights:

In this activity, students will identify details and main idea(s) in text by highlighting key words/phrases pertaining to the topic.

Type: Student Center Activity

Comprehension: Main Idea Mania:

In this activity, students will identify supporting details and main ideas in expository text and record them on a graphic organizer.

Type: Student Center Activity

Comprehension: Simple Summary:

In this activity, students will summarize text using a graphic organizer.

Type: Student Center Activity

Comprehension: Sum Summary!:

In this activity, students will summarize text (narrative and expository) using a graphic organizer.

Type: Student Center Activity

Comprehension: Super Summary:

In this activity, students will summarize expository text using a graphic organizer.

Type: Student Center Activity

Comprehension: What's the Big Idea?:

In this activity, students will identify supporting details and main ideas in expository text and record them on a graphic organizer.

Type: Student Center Activity

Text Resource

Green Invaders!:

This informational text resource is intended to support reading in the content area. This National Geographic Kids article explains how the invasion of non-native plants is threatening native food webs.

Type: Text Resource

Unit/Lesson Sequence

Weathering and Erosion: A Comprehension Instructional Sequence (CIS) Lesson Plan:

This lesson plan follows the template for the Comprehension Instructional Sequence (CIS), developed to implement Florida Standards in English/Language Arts. This sequence scaffolds students as they read and response to complex content-area informational text. This particular lesson plan uses informational text about weathering and erosion, which ties into the 4th grade benchmark .

Type: Unit/Lesson Sequence

Original Student Tutorials for Language Arts - Grades K-5

Uncovering the Main Idea:

Learn how to identify explicit evidence and understand implicit meaning in a text

Sometimes the main idea likes to hide out in the texts that you read. Lenny Lizard will give you some pointers on how to uncover the main idea and use key details to support your answers.

By the end of this tutorial, you will be able to find the directly and indirectly stated main idea of a text. You will also learn how to identify and explain how key details support the main idea.

Student Resources

Vetted resources students can use to learn the concepts and skills in this benchmark.

Original Student Tutorial

Uncovering the Main Idea:

Learn how to identify explicit evidence and understand implicit meaning in a text

Sometimes the main idea likes to hide out in the texts that you read. Lenny Lizard will give you some pointers on how to uncover the main idea and use key details to support your answers.

By the end of this tutorial, you will be able to find the directly and indirectly stated main idea of a text. You will also learn how to identify and explain how key details support the main idea.

Type: Original Student Tutorial

Student Center Activity

Edcite: ELA Reading Grade 4-5:

Students can practice answering reading comprehension questions with a text about online learning. With an account, students can save their work and send it to their teacher when complete.

Type: Student Center Activity

Parent Resources

Vetted resources caregivers can use to help students learn the concepts and skills in this benchmark.