ACT study guide
Aligned to ACT's enhanced test structure for English, Math, Reading, optional Science, and optional Writing; reviewed July 2026
601 practice questions
140 flashcards
Completely free

ACT Exam Prep

Practice ACT English, Math, Reading, and optional Science with 601 original questions covering revision, grammar, algebra, geometry, passages, data, and experiments.

601 original questions
Enhanced ACT structure
English + Math + Reading + Science

Most popular

Start with free practice questions

Jump into a mixed set drawn from 601 free practice questions.

Free Practice Questions

Exam structure

Know the split before you start drilling

English

50 items

40 scored + 10 pretest

Mathematics

45 items

41 scored + 4 pretest

Reading

36 items

27 scored + 9 pretest

Science

40 items

34 scored + 6 pretest

English

50 questions

ACT lists 35 minutes, with 40 scored and 10 field-test items.

Math

45 questions

ACT lists 50 minutes, with 41 scored and 4 field-test items.

Reading

36 questions

ACT lists 40 minutes, with 27 scored and 9 field-test items.

Science

Optional 40

ACT lists optional Science as 40 minutes, with 34 scored and 6 field-test items.

Writing

Optional essay

The optional Writing test is one 40-minute prompt.

Practice bank

601 questions

The bank expands the current ACT sections into original drills and explanations.

Start here

How to study for the ACT

Use this sequence for the cleanest ACT pass.

1

1. Win English accuracy first

Short revision and grammar questions are fast gains when you know purpose, organization, style, and conventions.

2

2. Stabilize Math setup

ACT Math rewards translating the problem, choosing the tool, calculating with units, and checking the answer.

3

3. Rotate Reading and Science evidence

Both sections reward exact support from passages, figures, tables, experiments, and viewpoints.

About the exam

ACT Exam structure

Enhanced ACT prep with 601 original practice questions, English, Math, Reading, optional Science, weighted mocks, flashcards, and topic recovery.

Issuer and path

ACT Exam Prep is administered through ACT. Check official resources before booking, retesting, or relying on a stale requirement.

English

50 items

40 scored + 10 pretest

Revision and editing of short texts across grammar, usage, organization, style, cohesion, and rhetorical effectiveness.

Mathematics

45 items

41 scored + 4 pretest

Mathematical reasoning from pre-algebra through algebra, functions, geometry, statistics, probability, and trigonometry.

Reading

36 items

27 scored + 9 pretest

Close reading, logical reasoning, key ideas, craft, structure, integration of information, and paired or multiple-source analysis.

Science

40 items

34 scored + 6 pretest

Optional science section with data interpretation, scientific investigation, research summaries, and conflicting viewpoints.

Before you schedule

Confirm whether your school, district, state, or colleges require optional Science or Writing; then verify registration deadline, ID, calculator policy, test center, and score-send choices.

Official Outline Coverage Map

Coverage is mapped to official outline item counts so content depth can be checked without hard-coding a single exam.

Official outline
TopicOfficial outline itemsYour questionsYour flashcardsConfidence
Production of Writing and Topic Development124410
Priority
Organization, Unity and Cohesion124410
Priority
Knowledge of Language and Style124410
Strong
Standard English Conventions144410
Priority
Number, Quantity and Pre-Algebra83110
Good
Algebra, Functions and Modeling134510
Priority
Geometry, Measurement and Trigonometry124210
Priority
Statistics, Probability and Integrating Skills124010
Strong
Key Ideas and Details124610
Priority
Craft, Structure and Author Purpose124010
Good
Integration, Comparison and Visual Information124010
Priority
Science Data Representation134710
Priority
Science Research Summaries and Experimental Design144710
Priority
Science Conflicting Viewpoints and Models134710
Good

How to use this guide

How to study for the ACT

Build every answer around the exact section task: revise clearly, calculate with units, read closely, interpret data, and compare scientific explanations.

1. Identify the section task

Decide whether the item asks for revision, convention, computation, passage evidence, data interpretation, or scientific reasoning.

2. Anchor the answer

Use context, grammar, units, formulas, passage lines, graph labels, variables, or experiment setup.

3. Work efficiently

Eliminate choices that ignore the task, overstate evidence, misuse units, change meaning, or contradict the data.

4. Verify fit

Check the answer against the passage, sentence, calculation, table, figure, or viewpoint before moving on.

Production of Writing and Topic Development
English

Production of Writing and Topic Development

English production questions test purpose, focus, supporting details, topic development, relevance, and whether a sentence should be added, deleted, or revised.

Key rules

Rule 1

Production of Writing and Topic Development questions reward careful use of the passage, sentence, data display, formula, or experiment setup.

Exam cue: Identify the section skill before reading the choices.

Rule 2

The best answer fits the exact ACT task and avoids extra assumptions.

Exam cue: Check context, evidence, units, graph labels, and the wording of the question.

Rule 3

Use elimination against choices that are partly true but not responsive to the question.

Exam cue: Confirm that the answer solves the asked problem rather than a nearby one.

Common traps

Choosing a familiar rule that does not fit the item.

Prevention: Avoid answers that change meaning, skip units, ignore passage evidence, overstate data, mix up variables, or answer a nearby task.

Ignoring the passage, graph, unit, or sentence context.

Prevention: Avoid answers that change meaning, skip units, ignore passage evidence, overstate data, mix up variables, or answer a nearby task.

Letting speed override the exact wording of the question.

Prevention: Avoid answers that change meaning, skip units, ignore passage evidence, overstate data, mix up variables, or answer a nearby task.

Memory anchors

Writer Purpose

The writer's purpose determines whether information belongs in the passage.

Focus

Focus keeps every sentence connected to the paragraph and passage goal.

Development

Development adds details, examples, or explanation that support the main point.

Relevant Detail

A relevant detail directly supports the sentence, paragraph, or passage purpose.

Delete Decision

A delete answer is correct when the sentence is irrelevant, redundant, or distracting.

Add Decision

An add answer is correct when the information strengthens the stated purpose.

Main Claim

The main claim tells what the passage or paragraph is trying to establish.

Evidence Match

Evidence must support the specific point being made.

Concise Development

Concise development adds useful support without clutter.

Audience Fit

Audience and purpose shape the most effective content choice.

Next best moves

Quick check-up

Use a short quiz to confirm the rule pattern is actually sticking.

Check-up Questions

1-2 question checkpoint

A paragraph explains how neighborhood tool libraries reduce waste. Which sentence most effectively supports that focus?

Lena is writing about a mural that represents the town's industries. Which detail is most relevant to include?

Answer all questions to submit.

Next step personalized recommendations

Open another topic next

Official resources

Verify the details with the official sources

Use these links for eligibility, scheduling, handbook rules, and issuer updates. Our guide helps you study; official sources tell you what the testing partner currently requires.

FAQ

Common ACT questions

Is this the official ACT?

No. These are original practice questions aligned to ACT's public test structure. They are not copied from secure ACT material.

Is Science still on the ACT?

ACT describes Science as optional in the enhanced test structure. Some state, district, or college requirements may still make it relevant for you.

Does Writing affect the Composite score?

ACT describes Writing as optional. Confirm whether your colleges, state program, or district asks for it.

What should I study first?

Start with English conventions and Math setup, then rotate Reading passage evidence and Science data interpretation.

How should I use the 601 questions?

Use topic drills for weak skills, section drills for each ACT section, math mode for quantitative work, and 171-question weighted mocks.

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