Cheatsheet: Main Idea & Supporting Details

1. Main Idea Identification

1.1 Definition and Characteristics

1.2 Locating the Main Idea

1.2.1 Common Positions

• Beginning of passage (deductive structure): Main idea stated first, followed by support
• End of passage (inductive structure): Details build to main idea in conclusion
• Middle of passage: Introduction leads to main idea, then supporting details follow
• Beginning and end: Main idea stated, supported, then restated or reinforced
• Implied throughout: No single sentence contains the main idea; must synthesize details

1.2.2 Key Strategies

• Identify the topic first, then ask what the author says about the topic
• Look for repetition of key words, phrases, or concepts
• Pay attention to topic sentences (first or last sentence of paragraphs)
• Notice transitional words that signal important points (therefore, thus, in conclusion, most importantly)
• Eliminate details that are too specific or too broad
• Ask: "What is the one thing the author wants me to understand?"

1.3 Distinguishing Main Idea from Supporting Details

2. Supporting Details

2.1 Types of Supporting Details

2.2 Major vs. Minor Supporting Details

2.3 Identifying Supporting Details

2.3.1 Signal Words for Supporting Details

• Addition: additionally, furthermore, moreover, also, in addition, another
• Examples: for example, for instance, such as, to illustrate, specifically
• Emphasis: indeed, in fact, most importantly, above all, especially
• Sequence: first, second, third, next, then, finally
• Cause/Effect: because, since, as a result, therefore, consequently, thus

2.3.2 Key Questions

• What specific information does the author provide to support the main idea?
• What examples, facts, or reasons does the author use?
• Which details answer who, what, when, where, why, or how?
• Which details are most closely related to the main idea?

3. Paragraph Structure and Organization

3.1 Basic Paragraph Components

3.2 Common Organizational Patterns

3.3 Recognizing Organizational Patterns

• Identify signal words and transitional phrases
• Determine the relationship between ideas in the passage
• Notice how paragraphs connect to each other
• Understanding the pattern helps predict information and locate details

4. Summarizing and Paraphrasing

4.1 Summary Characteristics

4.2 Steps to Summarize

1. Read the entire passage carefully
2. Identify the main idea and major supporting points
3. Eliminate minor details, examples, and repetition
4. Combine related ideas
5. Write in your own words while maintaining the author's meaning
6. Check that the summary is accurate and complete

4.3 Paraphrasing vs. Summarizing

5. Common Question Types

5.1 Main Idea Questions

5.1.1 Question Formats

• "What is the main idea of the passage?"
• "Which statement best expresses the main point?"
• "The passage is primarily concerned with..."
• "The author's primary purpose is to..."
• "Which title best summarizes the passage?"
• "The central thesis is..."

5.1.2 Answer Selection Strategy

• Eliminate answers that are too specific (only cover part of the passage)
• Eliminate answers that are too broad (go beyond passage scope)
• Eliminate answers that introduce new information not in the passage
• Choose the answer that covers the entire passage without being too general
• Correct answer must be supported by multiple parts of the passage

5.2 Supporting Detail Questions

5.2.1 Question Formats

• "According to the passage..."
• "The author mentions [detail] in order to..."
• "Which of the following is cited as evidence for..."
• "The passage states that..."
• "All of the following are mentioned EXCEPT..."

5.2.2 Answer Selection Strategy

• Return to the passage and locate the relevant information
• Match specific details in the answer choices to passage content
• Beware of answers that use passage words but distort meaning
• For EXCEPT questions, eliminate details that are mentioned
• Do not rely on memory; verify each answer in the text

5.3 Common Traps to Avoid

6. Reading Strategies and Tips

6.1 Active Reading Techniques

• Preview the passage: Read title, first paragraph, and first sentences of other paragraphs
• Read questions first to know what to look for (optional strategy)
• Underline or note topic sentences and key terms
• Mark transitions and signal words that show relationships
• Annotate the margin with brief notes about paragraph content
• Create a mental outline of the passage structure

6.2 Time Management

• Read the passage once carefully rather than multiple quick readings
• Spend more time on passages with multiple questions
• If stuck, eliminate wrong answers first
• Skip difficult questions and return if time permits
• Trust first instinct unless you find clear evidence otherwise

6.3 Answer Verification

• Confirm your answer choice is directly supported by the passage
• Reread the relevant section before finalizing your choice
• Make sure the answer addresses what the question asks
• Check that you haven't confused main idea with supporting detail
• Ensure you haven't brought in outside knowledge not in the passage

6.4 Inference and Implication

• Implied main ideas require synthesizing multiple details
• Valid inferences must be strongly suggested by passage content
• Do not make assumptions beyond what the text supports
• Ask: "What must be true based on what is stated?"
• Correct inferences stay close to passage meaning

7. Practice Application

7.1 Self-Check Questions

7.1.1 After Identifying Main Idea

• Does this statement cover the entire passage?
• Is it general enough to include all paragraphs but specific enough to exclude unrelated topics?
• Can I find at least two or three details in the passage that support this idea?
• Is this what the author wants me to remember most?

7.1.2 After Identifying Supporting Details

• Does this detail directly relate to the main idea?
• Is this a major detail (essential) or minor detail (extra information)?
• What type of supporting detail is this (fact, example, reason, etc.)?
• How does this detail help prove or explain the main idea?

7.2 Quick Analysis Framework