Description of the ACT
The ACT (No Writing) consists of four multiple-choice tests: English, Mathematics, Reading, and Science. The ACT Plus Writing includes the four multiple-choice tests and a Writing Test.
|English||75 questions||45 minutes||Measures standard written English and rhetorical skills.|
|Mathematics||60 questions||60 minutes||Measures mathematical skills students have typically acquired in courses taken up to the beginning of grade 12.|
|Reading||40 questions||35 minutes||Measures reading comprehension.|
|Science||40 questions||35 minutes||Measures the interpretation, analysis, evaluation, reasoning, and problem-solving skills required in the natural sciences.|
|Optional Writing Test||1 prompt||30 minutes||Measures writing skills emphasized in high school English classes and in entry-level college composition courses.|
*Grammar and usage
1. Based on basic operations using whole numbers,
decimals, fractions, and integers; place value;
square roots and approximations; the concept of exponents;scientific notation; factors; ratio, proportion,
and percent;linear equations in one variable; absolute
value and ordering numbers by value; elementary
counting techniques and simple probability; data
collection, representation, and interpretation;and
understanding simple descriptive statistics.
2. Based on properties of exponents and square roots,
evaluation of algebraic expressions through substitution,
using variables to express functional relationships,
understanding algebraic operations,and the solution
of quadratic equations by factoring
3. Based on an understanding of the quadratic formula, rational
and radical expressions, absolute value equations and
inequalities, sequences and patterns, systems of equations,
quadratic inequalities, functions, modeling, matrices, roots of
polynomials, and complex numbers.
4.Based on graphing and the relations between equations and
graphs, including points, lines, polynomials, circles, and other
curves; graphing inequalities; slope; parallel and
perpendicular lines; distance; midpoints; and conics.
5.Based on the properties and relations of plane figures,
including angles and relations among perpendicular and
parallel lines; properties of circles, triangles, rectangles,
parallelograms, and trapezoids; transformations; the concept
of proof and proof techniques; volume; and applications of
geometry to three dimensions.
6.Based on understanding trigonometric relations in right
triangles; values and properties of trigonometric functions;
graphing trigonometric functions; modeling using trigonometric
functions; use of trigonometric identities; and solving
1.Social Studies (25%)
2.Natural Sciences (25%)
3.Prose Fiction (25%)
1.Based on passages in the content areas of anthropology,
archaeology, biography, business, economics, education,
geography, history, political science, psychology, and
2.Based on passages in the content areas of anatomy,
astronomy, biology, botany, chemistry, ecology, geology,
medicine, meteorology, microbiology, natural history,
physiology, physics, technology, and zoology.
3.Based on intact short stories or excerpts from short stories
4.Based on passages from memoirs and personal essays
and in the content areas of architecture, art, dance, ethics,
film, language, literary criticism, music, philosophy, radio,
television, and theater.
1.Data Representation (38%)
2.Research Summaries (45%)
3.Conflicting Viewpoints (17%)
1.Presents graphic and tabular material similar to that found
in science journals and texts. The questions associated with
this format measure skills such as graph reading, interpretation
of scatterplots, and interpretation of information presented in
tables, diagrams, and figures.
2. Provides descriptions of one or more related experiments.
The questions focus on the design of experiments and the
interpretation of experimental results.
3.Presents expressions of several hypotheses or views that,
being based on differing premises or on incomplete data,
are inconsistent with one another. The questions focus on
the understanding, analysis, and comparison of alternative
|Optional Writing Test||Measures your writing skills?specifically those writing skills emphasized in high school English classes and in entry-level college composition courses.|