ACT practice test: ACT prep and ACT practice questions on the enhanced format
If your ACT practice test has 60 math questions with five answer choices each, you are practicing a test that no longer exists. The enhanced ACT is shorter, Science is optional, and the arithmetic of your Composite changed.
- Built on the enhanced ACT: optional Science, four-choice math, current section timing
- Every answer choice explained, including why the trap answer looked right
- Unlimited practice questions, drilled by section and by question type
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The short answer
The ACT changed in 2025. Science is now optional and your Composite score is the average of English, math and reading only. Math items also dropped from five answer choices to four. Most ACT practice tests still sold online were written for the old exam, which had 215 questions in 175 minutes. The enhanced ACT has 108 scored questions in 125 minutes without Science, or 142 in 165 minutes with it. Aspirants.ai generates unlimited practice on the current format from $9 a month, with every answer explained.
Last updated July 2026
Work the questions
ACT practice questions with answers and explanations
Seven questions across English, Math, Reading and Science, including two Science items, since Science is the section the SAT has no equivalent of and the one most students walk in cold on. Written in the style of the exam, not copied from it.
Question 1 · English: Punctuation
Choose the best version: "The observatory, which opened in 1962 ______ still houses the original refracting telescope."
- A. 1962 still
- B. 1962, still
- C. 1962; still
- D. 1962: still
Show the answer and explanation Answer
B. 1962, still
The clause "which opened in 1962" is nonessential and is already opened with a comma, so it has to be closed with one too. Paired commas around a nonessential element work like parentheses: you cannot open with one mark and close with another, or leave it unclosed. A semicolon or colon would both require what follows to be able to stand on its own or to function as an explanation, and "still houses the original refracting telescope" is neither. The quick test is to delete the clause: the sentence must still read correctly, and it does.
Question 2 · English: Redundancy
Choose the best version: "The team collaborated ______ on the design of the new wing."
- A. collaborated together jointly
- B. collaborated together
- C. collaborated
- D. collaborated in a joint manner
Show the answer and explanation Answer
C. collaborated
Collaborate already means to work together, so "together", "jointly" and "in a joint manner" all add nothing. The ACT tests conciseness heavily and applies a consistent rule: when two options are grammatically correct and mean the same thing, the shorter one is the answer. Train yourself to check for redundancy first on any question where the choices differ mainly in length, because that pattern almost always signals this rule rather than a grammar issue.
Question 3 · Math: Algebra
If 3x minus 7 equals 2x plus 5, what is the value of x squared minus 4?
- A. 8
- B. 32
- C. 140
- D. 144
Show the answer and explanation Answer
C. 140
Solve first: 3x minus 7 equals 2x plus 5 gives x equals 12. Then 12 squared minus 4 is 144 minus 4, which is 140. Option D is what you get by answering the wrong question and reporting x squared, and option A is x minus 4. On the ACT, distractors are almost always built from the intermediate values, so the discipline that saves marks is re-reading what was asked for after you solve, not after you have already picked.
Question 4 · Math: Geometry
A circle has a circumference of 16 pi. What is its area?
- A. 16 pi
- B. 32 pi
- C. 64 pi
- D. 256 pi
Show the answer and explanation Answer
C. 64 pi
Circumference is 2 pi r, so 2 pi r equals 16 pi gives r equals 8. Area is pi r squared, which is 64 pi. Option D comes from squaring the diameter of 16 instead of the radius, which is the single most common slip on circle questions. Writing down the radius on its own line before touching the area formula costs two seconds and eliminates that error entirely.
Question 5 · Reading: Inference
A passage states that a novelist "revised the manuscript eleven times, and even then sent it to press only because her editor stopped answering her letters." This detail most directly suggests that the novelist was:
- A. indifferent to the quality of her work
- B. reluctant to consider the manuscript finished
- C. in financial difficulty and needed to publish
- D. in conflict with her editor over the ending
Show the answer and explanation Answer
B. reluctant to consider the manuscript finished
Eleven revisions plus publishing only when the editor went silent both point in one direction: she would have kept revising if she could have. Option A contradicts the detail outright. Options C and D introduce motives the sentence never mentions, which is the classic ACT Reading trap of importing a plausible story from outside the text. The discipline is to accept only what the words on the page support, no matter how reasonable the alternative sounds.
Question 6 · Science: Data interpretation
In an experiment, enzyme activity was 12 units per minute at 20 degrees C, 34 at 30 degrees C, 51 at 37 degrees C, and 9 at 50 degrees C. Which conclusion is best supported?
- A. Enzyme activity increases steadily with temperature
- B. Enzyme activity peaks near 37 degrees C and falls sharply above it
- C. The enzyme is denatured at all temperatures above 30 degrees C
- D. Temperature has no measurable effect on this enzyme
Show the answer and explanation Answer
B. Enzyme activity peaks near 37 degrees C and falls sharply above it
The values rise from 12 to 34 to 51 and then collapse to 9, so activity is not monotonic and option A fails on the last data point. Option C is contradicted by the 51 recorded at 37 degrees, which is the highest value in the set. Option D is contradicted by everything. The general skill this tests is reading a trend that reverses: on the ACT Science section, a single data point that breaks a pattern is almost always the point of the question rather than noise.
Question 7 · Science: Conflicting viewpoints
Scientist 1 argues a lake fish decline is caused by agricultural runoff. Scientist 2 argues it is caused by an introduced predator. Which finding would most weaken Scientist 1?
- A. Nitrogen levels in the lake rose over the same period
- B. Fish declined just as sharply in a nearby lake with no surrounding farmland
- C. The introduced predator was first recorded three years after the decline began
- D. Agricultural activity in the watershed increased during the study
Show the answer and explanation Answer
B. Fish declined just as sharply in a nearby lake with no surrounding farmland
A comparable decline where the proposed cause is absent undercuts the causal claim directly, because runoff cannot explain a drop in a lake that has none. Options A and D both support Scientist 1 rather than weaken them. Option C weakens Scientist 2, not Scientist 1, and that swap is the most common error on conflicting-viewpoints items. Always confirm which position the question is asking you to attack before you evaluate the evidence.
These seven are a sample. Inside Aspirants.ai you can generate unlimited ACT practice questions across English, Math, Reading and Science, with the reasoning behind every answer choice rather than a bare answer key.
Generate more questions freeWhat the enhanced ACT actually changed, and when
ACT rolled the enhanced test out in stages, which is exactly why so much prep material is wrong. It reached national online testing in April 2025, then all national administrations including paper in September 2025, and state and district school-day testing in spring 2026. Composite scores from tests taken before September 2025 do not change. If you are testing now, you are taking the enhanced ACT, and any practice test built on the legacy format is training you for the wrong clock.
- Science became optional, and the Composite is now English, math and reading
- Math answer choices went from five to four, raising a blind guess from 20% to 25%
- Total testing time fell from 175 minutes to 125 without Science, or 165 with it
- Embedded field-test items replaced the old stand-alone experimental section
The enhanced ACT section by section
There is a real trap in the published question counts. ACT advertises 50 English, 45 math, 36 reading and 40 science questions, but those totals include unscored field-test items mixed invisibly into your test. The scored counts are lower. Both numbers are true, and knowing the difference tells you the pace you actually need to hold, because you cannot identify which items are unscored while you are sitting there.
- English: 40 scored items (50 total) in 35 minutes, about 42 seconds each
- Math: 41 scored items (45 total) in 50 minutes, about 67 seconds each
- Reading: 27 scored items (36 total) in 40 minutes, about 67 seconds each
- Science, optional: 34 scored items (40 total) in 40 minutes
- Writing, optional: one essay in 40 minutes, scored 2 to 12, unchanged
Should you take the optional ACT Science section?
Usually yes, and the reason is asymmetry. Science costs you 40 extra minutes and a small fee, and it produces a separate 1 to 36 score plus a STEM score when paired with math. It cannot lower your Composite, because the Composite no longer includes it. What it can do is satisfy a college that still wants it, or an engineering program that reads the STEM score. Skipping it is a decision you cannot undo without retaking the whole test, since ACT has never launched section retesting.
- Science cannot drag your Composite down: the Composite is English, math and reading
- Take it if any school on your list asks for it, or if you are applying to STEM programs
- Some colleges still compute their own totals that include Science
- You cannot add Science later without sitting the entire test again
How to use an ACT practice test properly
A practice test is a diagnostic, not a workout. Taking six of them and reviewing none is the most common way students plateau at a 22. The score comes from the review: for every question you missed, write down what the question was actually testing and which wrong answer attracted you. The ACT recycles a small number of trap patterns, and once you can name the trap, you stop falling for it. Timed sections between full tests do more for a score than another full test does.
ACT practice questions by section
Full-length tests are expensive in time. Once you know your weak section, drill it directly: nothing but comma splices, or nothing but data representation, until the pattern is automatic. English rewards concision more than any other section, and math rewards substituting your answer back into the problem. Mixed random practice feels productive and hides the specific weakness you need to find.
- English: punctuation, agreement, concision and rhetorical skills
- Math: algebra, functions, geometry, statistics and probability, now four choices
- Reading: main idea, inference and paired passages under a 40 minute clock
- Science: data representation, research summaries and conflicting viewpoints
Compare the options
ACT prep options compared
What each route costs in the US and what it actually gets you, including where the expensive options genuinely win.
| Option | Typical US cost | What you get | Best for |
|---|---|---|---|
| Free official ACT practice tests | Free | A small number of real, retired forms. Limited explanations, and older forms follow the legacy format. | A baseline diagnostic before you spend anything |
| Prep books | About $20 to $40 | A full curriculum and a few practice tests. Check the edition: many still teach five-choice math. | Self-directed students on a tight budget |
| On-demand video course | Roughly $300 to $700 | Recorded lessons, a question bank and analytics. You set the pace and nobody checks on you. | Students who want structure and a syllabus |
| Private ACT tutor | About $75 to $200+ per hour | One-on-one diagnosis of your exact errors. The most effective and by far the most expensive route. | A stubborn weakness late in prep, with budget |
| Aspirants.ai AI tutor | From $9/mo | Unlimited enhanced-format questions, every answer explained, questions answered 24x7. | High-volume practice and per-question feedback between official tests |
Prices change and vendors discount often. Verify current pricing with each provider before you buy. ACT registration fees are published at act.org, where the base test currently runs about $70, with Science and Writing charged as add-ons. Note that two ACT pages have listed slightly different figures, so confirm at checkout.
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Honest answers
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Yes. Science became optional for national online testing in April 2025 and for all national testing, including paper, from September 2025. Your Composite score is now the average of English, math and reading only. Science is reported as a separate 1 to 36 score, and taking it cannot lower your Composite.
The enhanced ACT is 125 minutes without Science and 165 minutes with it. That covers 108 scored questions without Science, or 142 with it. The legacy ACT ran 175 minutes. Adding the optional Writing essay puts another 40 minutes on top of either figure.
It depends on whether you count unscored items. ACT publishes 50 English, 45 math, 36 reading and 40 science questions, but those include embedded field-test items that are not scored. The scored counts are 40 English, 41 math, 27 reading and 34 science.
No. ACT reduced math items from five answer choices to four as part of the enhanced ACT. That moves the odds on a blind guess from 20% to 25%, and ACT own research found students answered four-choice items correctly about 53.5% of the time versus 44.8% for five-choice items.
The national average Composite for the class of 2025 was 19.4. A 23 puts you around the 76th percentile, a 28 around the 91st, and a 34 at the 99th. What counts as good is set by your college list, not the national average: check the middle 50% range each school publishes.
Yes. ACT still calculates superscores, recalculated on the new Composite definition of English, math and reading, and it will combine your best section scores across both legacy and enhanced forms. Section retesting, which would let you retake a single section, was postponed in 2020 and has never launched.
Increasingly, yes. Test-optional is receding. Harvard, Yale, Brown, Dartmouth, Penn, Cornell, Caltech and Stanford have all reinstated testing requirements, and in June 2026 Columbia announced it will require scores from the 2027-28 cycle, making it the last Ivy to do so. Check every school on your list individually.
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