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Passage mapping

Spend 60–90 seconds writing a one-line map of each paragraph, then use the map to jump straight to the answer.

When to use it

  • Every ACT Reading passage, before the first question.
  • Questions that name a paragraph or a part of the passage (“in the fifth paragraph…”).
  • Main idea and purpose questions, which need the shape of the whole passage.

How it works

  1. Read at a steady pace. After each paragraph write 3–6 words in the margin or on scratch paper: what it does, not every detail (problem, example, turn, result, caution).
  2. Mark any shift word you pass: but, however, yet, although. Passages often turn there.
  3. For a detail question, use the map to choose the paragraph, then reread only that paragraph.
  4. For a main idea question, read your map top to bottom: the answer fits the whole map, while wrong choices fit one stop on it.
Watch out: Mapping too much. A map of long summaries costs minutes and helps nobody. If a note is longer than a line, you are copying the passage.

Time: Mapping adds about a minute and typically saves more than that, because each detail question becomes a single-paragraph reread.

Map of “A Camera Against Child Labor”

  • ¶1 The problem: child labor was widespread and harsh; the public did not know.
  • ¶2 Lewis Hine joins the child labor committee; believes photos can show what statistics cannot.
  • ¶3 How he worked: disguises, measuring heights, writing down facts.
  • ¶4 What the photos looked like; he gave his subjects dignity.
  • ¶5 Impact: the committee’s use of the pictures, a national problem, new laws.
  • ¶6 Caution: other causes too, but images are hard to ignore.

Worked examples

Example 1

A paragraph-numbered question: the map says ¶5 is about impact.

Passage (the question refers to the underlined part)

According to the fifth paragraph, the committee’s use of the photographs helped the public to see child labor as:

  1. Aa problem that only some states needed to solve.
  2. Ba local issue that employers should handle.
  3. Ca result of laws that needed to be enforced.
  4. Da national problem rather than a private matter.Correct

Using the technique

  1. The question names the fifth paragraph. The map line for ¶5 says impact, so reread only that paragraph.

  2. The key sentence: the images helped convince the public that child labor “was not a private matter between families and employers but a national problem.”

  3. Choice D restates that. The others (only some states, a local issue, law enforcement) are not what the sentence says.

Practice this set

Example 2

The map shows ¶6 begins with a caution.

Passage (the question refers to the underlined part)

The author’s caution in the sixth paragraph is that:

  1. Amost of the credit for ending child labor belongs to Hine alone.
  2. Bhistorians overstate the role of the National Child Labor Committee.
  3. Cmany factors, not only the photographs, contributed to the decline in child labor.Correct
  4. Dthe photographs had no real effect at all on the passage of later laws.

Using the technique

  1. The question points to the sixth paragraph, and the map line starts with “Caution”.

  2. Reread: “Historians caution against giving Hine’s photographs all the credit. Changes in the economy, the work of many reformers, labor unions, and… compulsory schooling all contributed.”

  3. That is choice C. Choice A says the opposite and choice D says the photographs had no effect, which the paragraph does not claim.

Practice this set

Example 3

Main idea: the answer has to fit the whole map, not one stop on it.

Passage (the question refers to the underlined part)

The passage as a whole is best understood as showing that:

  1. ALewis Hine disguised himself to expose cruel factory owners to the public.
  2. Bchild labor ended in the United States because of reformers and unions.
  3. CLewis Hine’s photographs helped change public opinion about child labor.Correct
  4. Dphotographs by Lewis Hine were the single cause of laws against child labor.

Using the technique

  1. Read the map straight down: problem → Hine and his belief in photographs → how he worked → the photos → the effect → a caution about credit.

  2. Choice A (disguises) fits one line of ¶3. Choice B ignores Hine, who fills ¶2–¶5. Choice D says the photos were the single cause, which the ¶6 caution rules out.

  3. Choice C fits the whole map: the photographs changed public opinion, with limits noted at the end.

Practice this set

Related lessons: Main idea · Details · Pacing