Central Idea Review

20 August 2022
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8 test answers

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2. What is the main idea/central idea of a passage?
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The central idea is a sentence telling the point or reason of an entire passage.
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3. What is the topic of a passage?
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The topic is a broad way to describe a passage using 1 or 2 words.
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What is the difference between the topic and the central idea?
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The topic is broad and usually just a word or two. The central idea is a more specific sentence telling the main point or reason of an entire passage.
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Where should you look for the central idea in a passage?
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A reader should start by looking at the first and last few sentences. But, of course, the central idea can be anywhere in the passage
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If you can't find the central idea in the passage, how would you determine the central idea?
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You read the supporting details, then ask yourself questions as you read about the passage to help you figure out the central idea. Summarizing the passage would also help determine the central idea.
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Are all details in a passage relevant to finding the central idea?
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No, some details may just be necessary for complete understanding. All details may not directly support the central idea.
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How many relevant details should you be able to find to cite evidence for the central idea?
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There should be at least 3 relevant details to support the central idea.
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Read the following paragraph and answer the following questions. Despite the hatred that most people feel toward cockroaches, they do help humans in several ways. For example, they are perfect experimental animals and are used for scientific research in the laboratory. Breeding them is easy, for they thrive under almost any conditions. In studies on nutrition and food, cockroaches are good subjects because they will eat any kind of food. They can be used to study heart disease, and cancer researchers work with roaches because they grow cancerous tumors like those that are found in humans. 1) Where is the central idea located? a. in the first sentence b. in the last sentence c. in the middle of the paragraph d. in two sentences of the paragraph e. not stated in the paragraph directly (implied) 2) What is the topic? 3) How many supporting details are listed in the paragraph? a. one b. two c. none d. three or more
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9. 1) a. in the first sentence 2) cockroaches 3) d. three or more