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ACT overview.
Academic skills assessment for undergraduate admissions.
Main components
Science and Writing are optional; availability can depend on the test administration.
- English
- Exam component or assessed skill
- Mathematics
- Exam component or assessed skill
- Reading
- Exam component or assessed skill
- Science — optional
- Exam component or assessed skill
- Writing — optional
- Exam component or assessed skill
Explore topics
Open any group to browse subject topics. These Next Chapter practice categories do not guarantee which subjects will appear on an exam.
Science and Writing are optional. Science subjects are contexts for interpreting information, not specialist knowledge courses.
English7 subject topics
Education
Learning, educational institutions and access to education.
10 practice questions included. 10 ready to practise.
Open current ACT english ↗Work and organisations
Employment, teams and organisational life.
10 practice questions included. 10 ready to practise.
Open current ACT english ↗Business and economics
Markets, businesses and economic decisions.
10 practice questions included. 10 ready to practise.
Open current ACT english ↗Science and technology
Research, innovation and technological change.
10 practice questions included. 10 ready to practise.
Open current ACT english ↗Environment
Resources, ecosystems and environmental choices.
10 practice questions included. 10 ready to practise.
Open current ACT english ↗Society and public life
Communities, institutions and public concerns.
10 practice questions included. 10 ready to practise.
Open current ACT english ↗Arts and culture
Creative expression and cultural life.
10 practice questions included. 10 ready to practise.
Open current ACT english ↗
Mathematics8 subject topics
Numbers and quantities
Numbers, operations and quantitative relationships.
10 practice questions included. 10 ready to practise.
Open current ACT math ↗Algebra
Expressions, variables and algebraic relationships.
10 practice questions included. 10 ready to practise.
Open current ACT math ↗Equations and inequalities
Equalities, constraints and systems of equations.
10 practice questions included. 10 ready to practise.
Open current ACT math ↗Functions and graphs
Functions and their graphical representations.
10 practice questions included. 8 ready to practise. 2 awaiting images.
Open current ACT math ↗Ratios, rates and percentages
Proportional relationships, rates and percentage changes.
10 practice questions included. 10 ready to practise.
Open current ACT math ↗Statistics
Statistical summaries and data distributions.
10 practice questions included. 9 ready to practise. 1 awaiting images.
Open current ACT math ↗Probability
Likelihood and uncertainty.
10 practice questions included. 10 ready to practise.
Open current ACT math ↗Geometry and trigonometry
Shapes, angles and trigonometric relationships.
10 practice questions included. 6 ready to practise. 4 awaiting images.
Open current ACT math ↗
Reading6 subject topics
Literature and storytelling
Fiction, narratives and storytelling traditions.
10 practice questions included. 10 ready to practise.
Open current ACT reading ↗History and society
Historical events and changes in society.
10 practice questions included. 10 ready to practise.
Open current ACT reading ↗Science and nature
Scientific ideas and the natural world.
10 practice questions included. 10 ready to practise.
Open current ACT reading ↗Arts and humanities
Art, philosophy and human expression.
10 practice questions included. 10 ready to practise.
Open current ACT reading ↗Economics and business
Economic ideas and commercial activity.
10 practice questions included. 10 ready to practise.
Open current ACT reading ↗Technology and innovation
Inventions and their effects on people.
10 practice questions included. 10 ready to practise.
Open current ACT reading ↗
Science — optional4 subject topics
Biology
Interpret scientific information about living systems.
10 practice questions included. 10 ready to practise.
Open current ACT science ↗Chemistry
Interpret information about substances and chemical changes.
10 practice questions included. 10 ready to practise.
Open current ACT science ↗Physics
Interpret information about forces, energy and physical systems.
10 practice questions included. 10 ready to practise.
Open current ACT science ↗Earth and space science
Interpret information about Earth and space.
10 practice questions included. 10 ready to practise.
Open current ACT science ↗
Writing — optional7 subject topics
Education
Learning, educational institutions and access to education.
10 practice questions included. 10 ready to practise.
Open current ACT writing ↗Work and organisations
Employment, teams and organisational life.
10 practice questions included. 10 ready to practise.
Open current ACT writing ↗Business and economics
Markets, businesses and economic decisions.
10 practice questions included. 10 ready to practise.
Open current ACT writing ↗Science and technology
Research, innovation and technological change.
10 practice questions included. 10 ready to practise.
Open current ACT writing ↗Environment
Resources, ecosystems and environmental choices.
10 practice questions included. 10 ready to practise.
Open current ACT writing ↗Society and public life
Communities, institutions and public concerns.
10 practice questions included. 10 ready to practise.
Open current ACT writing ↗Arts and culture
Creative expression and cultural life.
10 practice questions included. 10 ready to practise.
Open current ACT writing ↗
Format references: Official source 1 ↗ · Official source 2 ↗
Materials on Next Chapter
320 original practice questions are included in the topics above. 313 are ready to practise. 7 are awaiting required images.
This overview is not a course or a complete exam simulator.
AI Tutor provides general study help. Its answers may be incorrect and are not official exam guidance.