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- United StatesEnglish LanguageSubject hub
ACT English (enhanced 2025 format): complete guide to the passages, the three reporting categories, the 1 to 36 score, and how to study every skill
A complete guide to the ACT English section in its enhanced 2025 format: the 50 questions in 35 minutes, the passage-based format with underlined portions, the three reporting categories, the 1 to 36 score, what changed from the legacy 75-question test, and how to study each skill.
- United StatesEnglish LanguageTopic guide
ACT English format and strategy: complete overview of the enhanced 2025 section, scoring categories, pacing, and question types
A complete overview of ACT English format and strategy: the enhanced 2025 section (50 questions in 35 minutes), the three scoring categories, pacing at about 42 seconds per question, the best-choice mindset and NO CHANGE, and how to handle the rhetorical questions. The strategic foundation for the section.
- United StatesEnglish LanguageTopic guide
ACT English Knowledge of Language: complete overview of word choice, concision, tone, idioms, and connotation
A complete overview of the Knowledge of Language reporting category on ACT English: word choice and precision, concision and redundancy, tone and style consistency, idioms and prepositions, and word connotation and precise transitions. The style category that rewards precise, concise, consistent wording.
- United StatesEnglish LanguageTopic guide
ACT English Production of Writing: complete overview of topic development, adding and deleting, organization, transitions, framing, and goal questions
A complete overview of the Production of Writing reporting category on ACT English: topic development and purpose, adding or deleting information, organization and sentence order, transitions and cohesion, introductions and conclusions, and the writer's goal questions. The rhetorical category about purpose, unity, and organization.
- United StatesEnglish LanguageTopic guide
ACT English punctuation: complete overview of commas, apostrophes, colons and semicolons, dashes, end marks, and the recurring traps
A complete overview of punctuation on ACT English: commas and unnecessary commas, apostrophes and possessives, colons and semicolons, dashes and parentheses, end punctuation and question marks, and the common traps. Punctuation is a large part of the Conventions of Standard English category.
- United StatesEnglish LanguageTopic guide
ACT English sentence structure and formation: complete overview of fragments, run-ons, joining clauses, modifiers, parallelism, and tense
A complete overview of sentence structure and formation on ACT English: complete sentences and fragments, run-ons and comma splices, joining clauses and conjunctions, modifier placement, parallel structure, and verb tense and consistency. The largest slice of the Conventions of Standard English category.
- United StatesEnglish LanguageTopic guide
ACT English usage and grammar: complete overview of agreement, pronouns, verb forms, modifiers, and confused words
A complete overview of usage and grammar on ACT English: subject-verb agreement, pronoun agreement and reference, pronoun case, verb forms and tense, adjectives and adverbs and comparisons, and commonly confused words. The usage half of the Conventions of Standard English category.
- United StatesEnglish LanguageSyllabus dot point
Answering rhetorical questions on the ACT English section
A focused answer to the rhetorical (non-grammar) questions on ACT English: how to recognize a stem question (add or delete, best placement, accomplish a goal, relevance), how they differ from underlined-portion grammar questions, and the strategy of reading the stem, fixing the writer's purpose, and judging each option against it.
- United StatesEnglish LanguageSyllabus dot point
Pacing and question flow on the enhanced ACT English section
A focused answer to how to pace the enhanced ACT English section: about 42 seconds per question for 50 questions in 35 minutes, handling the fast grammar questions quickly to bank time for slower rhetorical questions, working passage by passage, and answering every question because there is no penalty for guessing.
- United StatesEnglish LanguageSyllabus dot point
The three ACT English scoring categories and their weights
A focused answer to the three ACT English scoring categories: Conventions of Standard English (about 52 to 55 percent), Production of Writing (about 29 to 32 percent), and Knowledge of Language (about 15 to 17 percent). What each category tests and how the weighting should drive your study priorities for a high score.
- United StatesEnglish LanguageSyllabus dot point
The enhanced ACT English format and structure
A focused answer to how the enhanced 2025 ACT English section is structured: 50 questions in 35 minutes, passage-based with underlined portions, four answer choices, scored 1 to 36, what changed from the legacy 75-question test, and how that structure should drive how you read and pace the section.
- United StatesEnglish LanguageSyllabus dot point
The best-choice mindset for answering ACT English questions
A focused answer to how to decide between four ACT English options: pick the choice that is grammatical, concise, and consistent with the passage, treat NO CHANGE as a real and common answer, eliminate any option that breaks a rule, and prefer the shortest option that preserves the meaning. The core decision habit for the section.
- United StatesEnglish LanguageSyllabus dot point
Concision and redundancy on ACT English
A focused answer to concision and redundancy on ACT English: why the shortest option that keeps the meaning usually wins, how to spot redundancy (past history, close proximity) and wordiness (due to the fact that), and the rule that when options are otherwise equal, the tightest one is correct, with a routine.
- United StatesEnglish LanguageSyllabus dot point
Idioms and prepositions on ACT English
A focused answer to idioms and prepositions on ACT English: choosing the conventionally correct preposition in fixed expressions (interested in, capable of, different from, depend on), why these are set by usage rather than rule, and how to use common pairings and your ear to pick the idiomatic option.
- United StatesEnglish LanguageSyllabus dot point
Tone and style consistency on ACT English
A focused answer to tone and style consistency on ACT English: matching word choice to the passage's register, rejecting words that are too casual or too formal for the surrounding tone, and using the passage's own diction as the standard, with a routine for the underlined choice.
- United StatesEnglish LanguageSyllabus dot point
Word connotation and precise transition words on ACT English
A focused answer to connotation on ACT English: choosing among near-synonyms by their positive, negative, or neutral feel and by the exact shade the context implies, and selecting the single transition word whose connotation and logical flavor fit, with a routine for the underlined word.
- United StatesEnglish LanguageSyllabus dot point
Word choice and precision on ACT English
A focused answer to word choice and precision on ACT English: choosing the word whose exact meaning and connotation fit the context, telling a precise choice from a vague or approximately right one, and using the surrounding sentence to pick the right term, with a routine for the underlined word.
- United StatesEnglish LanguageSyllabus dot point
Adding or deleting information on ACT English
A focused answer to add-or-delete questions on ACT English: deciding by relevance to the paragraph's focus whether to keep or delete a sentence, choosing the option whose action and reason both match, and recognizing that true but off-topic content should be deleted, with a routine for these two-part questions.
- United StatesEnglish LanguageSyllabus dot point
Introductions and conclusions on ACT English
A focused answer to introduction and conclusion questions on ACT English: choosing an opening that previews the paragraph's or passage's real content and a closing that summarizes or completes it, matching the sentence to what the text actually contains, with a routine for these framing questions.
- United StatesEnglish LanguageSyllabus dot point
Organization and sentence order on ACT English
A focused answer to organization questions on ACT English: ordering sentences for logical flow and placing a sentence by following its internal clues (pronouns, transitions, and references that must point back to something already introduced), and using chronological or logical sequence, with a routine for placement questions.
- United StatesEnglish LanguageSyllabus dot point
Topic development and the writer's purpose on ACT English
A focused answer to topic development on ACT English: judging whether a choice supports the writer's stated purpose or the passage's main point, using the question stem to identify the goal, and choosing the option that accomplishes that goal rather than one that is just true, with a routine for purpose questions.
- United StatesEnglish LanguageSyllabus dot point
Transitions and cohesion on ACT English
A focused answer to transition questions on ACT English: identifying the logical relationship between the ideas on each side of a transition (addition, contrast, cause, example, sequence) and choosing the connective that matches it, reading both sides not just the transition, to keep the passage cohesive, with a routine.
- United StatesEnglish LanguageSyllabus dot point
The writer's goal questions on ACT English
A focused answer to the writer's goal questions on ACT English: deciding whether an essay or paragraph accomplishes a stated goal by judging what the text actually does, then choosing the option whose yes-or-no answer and reason both match, with a routine for these whole-passage two-part questions.
- United StatesEnglish LanguageSyllabus dot point
Apostrophes, possessives, and contractions on ACT English
A focused answer to apostrophes on ACT English: forming singular and plural possessives, using apostrophes for contractions, telling its from it's and whose from who's, and rejecting the stray apostrophe in a plain plural, with a routine for choosing the right form in an underlined portion.
- United StatesEnglish LanguageSyllabus dot point
Colons and semicolons on ACT English
A focused answer to colons and semicolons on ACT English: the semicolon links two independent clauses, the colon introduces a list, explanation, or example after a complete clause, both need a full independent clause before them, and how each differs from a comma, with a routine for choosing the right mark.
- United StatesEnglish LanguageSyllabus dot point
Commas and unnecessary commas on ACT English
A focused answer to commas on ACT English: the four jobs a comma does (series, nonessential elements, introductory elements, joining clauses with a coordinating conjunction) and the unnecessary commas the test plants, such as a comma between a subject and its verb or around essential information, with a routine for deciding.
- United StatesEnglish LanguageSyllabus dot point
Common punctuation traps and a defense strategy on ACT English
A focused answer to the recurring punctuation traps on ACT English: the subject-verb comma, the comma splice, the colon after an incomplete clause, mismatched paired marks, and over-punctuation, plus the unifying habit of choosing the option that uses no unjustified mark, with worked diagnosis.
- United StatesEnglish LanguageSyllabus dot point
Dashes and parentheses on ACT English
A focused answer to dashes and parentheses on ACT English: setting off nonessential information with a matching pair of dashes, parentheses, or commas, the rule that the opening and closing marks must match, and using a single dash like a colon to introduce an explanation or list after a complete clause.
- United StatesEnglish LanguageSyllabus dot point
End punctuation and question marks on ACT English
A focused answer to end punctuation on ACT English: a period ends a statement, a question mark ends a direct question, and an indirect question (a statement that reports a question, often with whether or if) ends with a period, with a routine for telling a real question from a reported one in an underlined portion.
- United StatesEnglish LanguageSyllabus dot point
Complete sentences and fragments on ACT English
A focused answer to complete sentences and fragments on ACT English: a sentence needs a subject and a finite verb and a complete thought, how fragments arise from missing or -ing verbs and stray subordinators, and how to fix an underlined portion that leaves a sentence incomplete. The foundation of the sentence-structure questions.
- United StatesEnglish LanguageSyllabus dot point
Joining clauses and choosing conjunctions on ACT English
A focused answer to joining clauses on ACT English: coordinating conjunctions (comma before, FANBOYS), subordinating conjunctions (make one clause dependent), and conjunctive adverbs (semicolon before, comma after), how each is punctuated, and how to choose the connector whose logic and punctuation are both right.
- United StatesEnglish LanguageSyllabus dot point
Modifier placement, dangling and misplaced modifiers on ACT English
A focused answer to modifier placement on ACT English: the rule that a modifier sits beside what it describes, how dangling modifiers leave an introductory phrase with no logical subject and how misplaced modifiers attach to the wrong word, and how to fix an underlined portion so the modifier lands correctly.
- United StatesEnglish LanguageSyllabus dot point
Parallel structure in lists, pairs, and comparisons on ACT English
A focused answer to parallel structure on ACT English: making items in a series, a pair, or a comparison share the same grammatical form, and keeping correlative conjunctions (not only/but also, either/or) and than/as comparisons parallel, with a routine for fixing the odd element in an underlined portion.
- United StatesEnglish LanguageSyllabus dot point
Run-ons and comma splices on ACT English
A focused answer to run-ons and comma splices on ACT English: how to recognize two independent clauses fused with no punctuation or joined with only a comma, and the four standard fixes (period, semicolon, comma plus a FANBOYS conjunction, or subordination), and how each answer choice maps to one of them.
- United StatesEnglish LanguageSyllabus dot point
Verb tense and consistency on ACT English
A focused answer to verb tense and consistency on ACT English: matching an underlined verb to the tense of the surrounding passage, using time words and nearby verbs to set the tense, and telling a wrong shift from a justified change of time, with a routine for choosing the consistent verb.
- United StatesEnglish LanguageSyllabus dot point
Adjectives, adverbs, and comparisons on ACT English
A focused answer to adjectives, adverbs, and comparisons on ACT English: using adjectives for nouns and adverbs for verbs and adjectives (good versus well, real versus really), and forming comparatives for two things and superlatives for three or more without doubling, with a routine for the underlined modifier.
- United StatesEnglish LanguageSyllabus dot point
Commonly confused words on ACT English
A focused answer to commonly confused words on ACT English: telling apart homophone and near-homophone pairs (their/there/they're, your/you're, its/it's, then/than, affect/effect, fewer/less) by meaning and part of speech, with quick tests and a routine for choosing the right word in an underlined portion.
- United StatesEnglish LanguageSyllabus dot point
Pronoun agreement and reference on ACT English
A focused answer to pronoun agreement and reference on ACT English: matching a pronoun to its antecedent in number, treating indefinite pronouns and collective nouns correctly, and fixing vague or ambiguous reference where a pronoun has no clear or single antecedent, with a routine for the underlined pronoun.
- United StatesEnglish LanguageSyllabus dot point
Pronoun case, subject and object pronouns, who versus whom on ACT English
A focused answer to pronoun case on ACT English: using subject pronouns (I, he, she, we, they, who) for subjects and object pronouns (me, him, her, us, them, whom) for objects, and the tricky cases of compound subjects and objects, comparisons with than or as, and who versus whom, with a drop-the-other-noun test.
- United StatesEnglish LanguageSyllabus dot point
Subject-verb agreement on ACT English
A focused answer to subject-verb agreement on ACT English: finding the true subject and matching the verb in number, ignoring phrases that come between them, and handling indefinite pronouns, compound subjects, collective nouns, and inverted there-is structures, with a routine for the underlined verb.
- United StatesEnglish LanguageSyllabus dot point
Verb forms and tenses on ACT English
A focused answer to verb forms on ACT English: the principal parts of irregular verbs, forming the perfect tenses with has, have, and had plus a past participle, the past perfect for an earlier past action, and common errors like would of for would have, with a routine for choosing the right form.
- United StatesMathsSubject hub
ACT Mathematics (enhanced ACT): complete guide to the format, the reporting categories, calculator use and a 1 to 36 score
A complete guide to the ACT Mathematics test: the enhanced ACT format (about 45 questions in 50 minutes, four choices, national test dates from 2025), the three reporting categories (Preparing for Higher Math, Integrating Essential Skills, Modeling), the calculator policy, the 1 to 36 score, and how to study each area.
- United StatesMathsTopic guide
ACT Math Algebra: linear equations and inequalities, systems, quadratics, polynomials, exponentials and the coordinate plane
A complete guide to the ACT Math Algebra area: solving linear equations and inequalities, systems of equations by substitution and elimination, quadratic equations by factoring and the formula, polynomials and factoring, exponential and radical equations, and expressions in the coordinate plane, with worked methods.
- United StatesMathsTopic guide
ACT Math format and strategy: the enhanced ACT, the reporting categories, the calculator and how to pace and guess
A complete guide to the ACT Mathematics format and test strategy: the enhanced ACT (about 45 questions in 50 minutes, four choices, calculator throughout, 1 to 36 score), the three reporting categories, the calculator policy, the Integrating Essential Skills and Modeling categories, and how to pace, guess and maximise your score.
- United StatesMathsTopic guide
ACT Math Functions: notation, linear and quadratic functions, exponentials and logs, transformations and sequences
A complete guide to the ACT Math Functions area: function notation and evaluation, linear functions and slope, quadratic functions and their graphs, exponential and logarithmic functions, transformations of functions, and arithmetic and geometric sequences, with worked methods.
- United StatesMathsTopic guide
ACT Math Geometry: angles and triangles, right-triangle trig, circles, area and volume, coordinate geometry and similarity
A complete guide to the ACT Math Geometry area: angle and triangle relationships, right-triangle trigonometry (Pythagoras and SOH-CAH-TOA), circles and their equations, area, perimeter and volume, coordinate geometry, and similarity and congruence, with worked methods.
- United StatesMathsTopic guide
ACT Math Number and Quantity: exponents, roots, scientific notation, complex numbers, ratios, percentages, vectors and matrices
A complete guide to the ACT Math Number and Quantity area: the laws of exponents, simplifying roots and scientific notation, the real and complex number systems, ratios, proportions and rates, percentages and percent change, and basic vector and matrix operations, with worked methods.
- United StatesMathsTopic guide
ACT Math Statistics and Probability: mean and median, probability, counting, data displays, weighted averages and expected value
A complete guide to the ACT Math Statistics and Probability area: mean, median, mode and range, probability of simple and compound events, counting with permutations and combinations, reading data displays, and weighted averages and expected value, with worked methods.
- United StatesMathsSyllabus dot point
Exponential and radical equations - ACT Mathematics
An ACT Algebra answer on solving exponential equations by matching bases and radical equations by isolating the radical and squaring, with the crucial step of checking for extraneous solutions, and worked ACT-style questions.
- United StatesMathsSyllabus dot point
Expressions and the coordinate plane - ACT Mathematics
An ACT Algebra answer on manipulating expressions and the coordinate plane: evaluating and rearranging expressions, solving literal equations for a variable, and finding the slope and equation of a line through points, with worked ACT-style questions.
Every page is written by Claude Opus 4.8 from the official syllabus, past papers and marking guides. AI-written, not individually human-reviewed — read more on how ExamExplained is built.