ACT Lessons
One focused lesson for each of the 15 skills on your ACT score report.

English
Conventions of Standard English
Grammar, punctuation and sentence structure: commas, verbs, pronouns, fragments and run-ons.
Start lessonProduction of Writing
Whether a sentence belongs, what a passage is for, and how ideas connect with transitions.
Start lessonKnowledge of Language
Precise word choice, concise wording and a consistent style and tone.
Start lessonMath
Number & Quantity
Exponents, roots, ratios, units, complex numbers, vectors and matrices.
Start lessonAlgebra
Solving and graphing linear, quadratic and exponential equations, inequalities and systems.
Start lessonFunctions
Function notation, domain and range, transformations and reading function graphs.
Start lessonGeometry
Area, volume, angles, triangles, circles, coordinate geometry and trigonometry.
Start lessonStatistics & Probability
Mean, median, spread, data displays, counting and probability.
Start lessonIntegrating Essential Skills
Multi-step word problems: rates, percents, proportions and averages.
Start lessonReading
Key Ideas & Details
Finding what the passage says: main idea, details, sequence and cause and effect.
Start lessonCraft & Structure
Word meaning in context, the author’s purpose and point of view, and how the text is built.
Start lessonIntegration of Knowledge & Ideas
Comparing paired passages, weighing arguments and reading visual data in text.
Start lessonScience(optional section)
Interpretation of Data
Reading tables and graphs, finding trends and interpolating or extrapolating values.
Start lessonScientific Investigation
Experimental design: variables, controls, methods and what an experiment tests.
Start lessonEvaluating Models, Inferences & Results
Judging hypotheses and competing viewpoints against the data.
Start lesson