ACT syllabus

College admission test: English, math and reading, each on its own clock. Science and writing are optional and do not change the Composite. Section scales run from 1 to 36.

English

50 questions (40 scored) · 35 minutes

Several passages, a mix of short and long essays in different genres, including at least one argument. Questions ask you to revise and edit. Many items include NO CHANGE as a choice. A permitted calculator is not used.

  • Production of Writing
  • Knowledge of Language
  • Conventions of Standard English

Mathematics

45 questions (41 scored) · 50 minutes

Skills through the beginning of grade 12. A permitted calculator may be used; it is not required, and the science section does not allow one. Four answer choices.

  • Number and Quantity
  • Algebra
  • Functions
  • Geometry
  • Statistics and Probability
  • Integrating Essential Skills

Reading

36 questions (27 scored) · 40 minutes

Long and shorter passages, including a pair of passages on one topic. One passage may include a table or graph. Questions are answered from the text.

  • Key Ideas and Details
  • Craft and Structure
  • Integration of Knowledge and Ideas

Science

40 questions (34 scored) · 40 minutes

Optional on national tests, and given after reading. It does not affect the Composite. Passages use data, research summaries and conflicting viewpoints, including an engineering design. No calculator.

  • Interpretation of Data
  • Scientific Investigation
  • Evaluation of Models, Inferences and Experimental Results

Writing

1 essay · 40 minutes

Optional, and taken after the multiple-choice sections. One prompt gives three perspectives. The essay does not affect the Composite. The subject score is 2 to 12, the rounded average of four domain scores.

  • Ideas and Analysis
  • Development and Support
  • Organization
  • Language Use and Conventions