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Learn about the importance of identifying the main idea in a passage, whether it is stated or implied, and how supporting details reinforce the main idea. Practice exercises included.
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MainIdea & Supporting Details
Central & most important idea. • can appear at the beginning, middle, or end of a passage. • Effective readers look for this central idea as they read.
Stated Main Idea • If the main idea of a passage can be pointed at in a sentence in the selection, it is called a stated main idea.
Implied Main Idea • Sometimes the main idea is not stated in any one sentence but is a summary of the information in the passage. This is called an implied main idea.
Supporting Details • Writers reinforce their main ideas with supporting details. • These words, phrases, or sentences tell something about the main idea. • They can be facts, statistics, dates, names, opinions, or details.
Here’s a tip: When you are reading, begin to identify the main idea, whether stated or implied, and look for its supporting details.
Model 1-Stated Main Idea In the following passage from “Hokusai: The Old Man Mad About Drawing” by S. Longstreet, the underlined sentence is the stated main idea. Each sentence that follows provides support for the idea. “Hokusai never stayed long with a period or style, but was always off and runningto something new. A great show-off, he painted with his fingers, toothpicks, a bottle,; he worked left-handed, from the bottom up, and from left to right.”
Model 2 – Implied Main Idea • In this example from “Saving the Wetlands” by Barbara Lewis, the main idea is implied rather than stated directly. • “Andy remembers sitting on the glacial rocks by the stream in the middle of winter, eating baloney sandwiches. In the warmer months, he and Nicholas and Elizabeth played tag in the stream, jumping on the slippery rocks, soaking their shoes, socks, and jeans.” • The implied main idea might be stated as follows: The stream was a delightful place at every season of the year.
Now let’s practice! • http://www.beaconlearningcenter.com/WebLessons/GetTheIdea/default.htm • http://www.studyzone.org/testprep/ela4/h/mainideap3.cfm