Answer: Main ideas are often found at the beginning of paragraphs. The first sentence often explains the subject being discussed in the passage. Main ideas are also found in the concluding sentences of a paragraph. The central idea of a passage is the message that the author is trying to get across to the reader. The central idea is not the topic. A central idea is stated in a sentence, not just one to two words. Central idea most commonly refers to informational texts.
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