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Logical organization and ordering — ACT practice questions

Logical organization and ordering on the ACT English test covers how sentences and paragraphs should be sequenced so a passage moves from one idea to the next. A student has to decide whether a marked sentence belongs where it is, whether it should open a new paragraph, or where a whole paragraph should sit. Questions typically ask for the most logical placement of a paragraph that contains a marked sentence, or whether that sentence should begin a new paragraph. Answer choices list other paragraph positions or a yes-or-no choice with a short reason. A common trap is splitting one idea across paragraphs or grouping details that disrupt overall flow.

  • Section: English 50 questions on the paper
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Sample questions

Recipes in Earth

When a mud-brick wall needs repair, the obvious patch is a new brick that looks like the old ones. That visual match, however, can still destroy the wall it was meant to save. Before any such brick is set in a wall, a materials archive builds replica bricks and tests them. Each specimen is a completely identical duplicate that is1 made under controlled conditions.

Staff sift clay from repair sites and measure proportions of sand and fiber to match the two targets taken from the repair crews' reports. The lead technician, which2 oversees mixing, records each batch's moisture content. Every mold has the same inner dimensions, so differences among finished bricks can be traced to the mixtures rather than to brick size.3 The weighed clay and measured sand are then, combined4 with chopped straw. Workers press the mixture into molds and smooth the tops. Finally, the team labels each brick with it's5 recipe and drying date. The archive's north window looks onto pear trees.6

Samples dry beneath a roof for thirty days, and technicians7 then weigh them and tap each surface to check for loose corners. A load indicator moves passed8 a reference mark while sensors record the pressure at which cracks appear. Later, a fine spray reveals how quickly each mixture absorbs water. Together, the tests imitate a wall's main stresses: weight and rain. Those strength and absorbency figures are what conservators use to match a historic wall.

The archive began this project after repair crews reported that new bricks dried much harder than the walls around them.9 Such replacements can redirect rainwater into older bricks and hasten their decay. Those reports told the archive exactly what to measure in each replica: strength under load and the rate of water absorption.

Because the archive keeps recipes and test results, conservators can choose a mixture whose strength and absorbency resemble those of a particular wall. They can reject a promising-looking recipe before it reaches a building. The sample collection has a second use: it trains apprentices to judge damp clay by touch.10 In workshops, apprentices compare impressions with the moisture levels and learn which sensations are reliable.

Question 1

For the most logical organization, where should the paragraph containing the marked sentence be placed?

  1. AWhere it is now, immediately before the final paragraph.
  2. BImmediately after the opening paragraph.
  3. CImmediately after the paragraph beginning “Staff sift clay from repair sites.”
  4. DAt the end of the essay, after the final paragraph.
Show answer

Answer: B — Immediately after the opening paragraph.

The marked paragraph supplies the repair-crew reports and the two measurements those reports required, the briefing the lab work depends on. It therefore belongs right after the opening, which warns that a look-alike brick can destroy a wall but does not yet say how or what to measure. The mixing paragraph then matches “the two targets taken from the repair crews' reports,” so those reports must already have been introduced. Leaving the paragraph where it is now places that measurement brief after the tests have already handed strength and absorbency figures to conservators, interrupting the direct move into the final paragraph. Placing it after the mixing paragraph still leaves the crews' reports without an antecedent and splits making the bricks from testing them. Ending the essay with it withholds the motive and the measurement brief until after conservators have already used the results.

Question 2

To make the final paragraph's organization most logical, should the marked sentence begin a new paragraph?

  1. AYes, because it shifts from using test results for repairs to using the collection for training.
  2. BYes, because it explains why apprentices must learn to judge clay by touch before they mix a batch.
  3. CNo, because both the conservators' repair work and the apprentice training are uses of the same sample collection.
  4. DNo, because the following sentence develops the training topic, so a paragraph break would interrupt that development.
Show answer

Answer: A — Yes, because it shifts from using test results for repairs to using the collection for training.

The first two sentences concern selecting mixtures for repairs, while the marked sentence introduces the distinct topic of apprentice training. A paragraph break at that sentence would group the two training sentences as their own paragraph and clarify the shift. The other Yes option claims the sentence explains a prerequisite for mixing, but it only names a second use of the collection. Keeping the paragraph intact because both uses involve the collection ignores that change of purpose. A break at the marked sentence would keep the two training sentences together rather than interrupt them.

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