Learning Objective :CCSS.ELA-Literacy.RI.4.2 Determine the main idea of a text and explain how it is supported by key details; summarize the text.CCSS.ELA-Literacy.RI.4.2

What will we determine today? CCSS.ELA-Literacy.RI.4.2 Determine the main idea of a text and explain how it is supported by key details; summarize the text. What are we going to do? What does determine mean? determine means __________. CFU 1 determine means find Vocabulary

Discuss with your partner an idea that explains what all these people are doing? All these picture show____________

Main Idea or Topic Sentence A Main Idea/ Topic Sentence states what the passage is mostly about. Example: The first ferris wheel was designed by George W. Ferris Supporting Details are sentences that explain and help you understand the main idea Ferris, a bridge builder from Pennsylvania came up with the idea if turning a merry go round on its side He used his knowledge of steel construction to draw up the plans. The wheel could hold up to 2,160 passengers. Concept Development

Skill Development/Guided Practice Determine the main idea Read text carefully Ask yourself, “What is text mainly about?” (topic) Ask yourself, “Do the details support the main idea?” Step 1- Read the passage Many newborn rattlesnakes do not survive their first year of life. A baby rattlesnake is only about ten inches long. Although baby rattlesnakes have short fangs and a poisonous bite, they are often eaten by birds and animals. The adult rattlesnakes do not raise their young. The young snakes are entirely on their own. Many die of hunger. In the winter, they die if they do not find a warm place where they can hibernate. Step 2- Ask yourself, “What is text mainly about?” (topic) Step 3- Ask yourself, “Do the details support the main idea?”

Many newborn rattlesnakes do not survive their first year of life. they are often eaten by birds and animals. The young snakes are entirely on their own. Many die of hunger. In the winter, they die if they do not find a warm place where they can hibernate. Skill Development/Guided Practice

It is important to identify Main Idea and support because: You can understand reading better You can use factual support statements to explain your idea

Skill Development/Guided Practice Large number of visitors to National Parks will cause damage to them. People trample plants and soil People’s cars carry chemicals that damage plants Animals move out due to noise from helicopters

Granville Woods was an inventor He improved telephone and telegraph Invented system of overhead electric conducting lines Invented automatic brakes Paragraph 1 1. Granville Woods was an inventor. 2. He improved both the telephone and telegraph systems. 3. He invented a system of overhead electric conducting lines that led to the development of the overhead railway. 4. He also invented automatic air brakes. Skill Closure