ACT Practice Questions Practice Test
Frequently asked questions
How many ACT Practice Questions practice questions are here?+
A full bank of original ACT Practice Questions practice questions across the official content areas, weighted like the real exam, with explanations. Free, no signup.
What is the ACT Practice Questions exam like?+
A multiple-choice exam. Practice by topic here, then take the full timed mock exam to gauge readiness.
Are these the real exam questions?+
No. Every question is 100% original, written from public primary sources with explanations. We never copy real exam questions or paid prep material.
Can I study in Chinese or Spanish?+
PrepPass practice is in English, 中文 and Español. The official exam is in English — switch the question language to English any time to rehearse the exact terminology you'll see on test day.
Sample practice questions
A few real questions from this free bank, with full explanations. Use the practice tool above for the whole set.
- 1. English — Grammar & Usage
The box of old photographs ___ been sitting in the attic for years. Which choice is correct?
- a.has
- b.have
- c.were
- d.are
Answer: a
Explanation: The subject is 'box' (singular), not 'photographs', which is part of the prepositional phrase 'of old photographs'. A singular subject takes the singular verb 'has'.
- 2. English — Grammar & Usage
My brother and ___ went to the concert together. Which choice is correct?
- a.me
- b.myself
- c.I
- d.him
Answer: c
Explanation: The blank is part of the compound subject performing the action, so the subject pronoun 'I' is required. Test it by dropping 'My brother and': 'I went' is correct, not 'me went'.
- 3. English — Grammar & Usage
If she ___ harder, she would have passed the exam. Which choice is correct?
- a.had studied
- b.studied
- c.studies
- d.would study
Answer: a
Explanation: This is a past (third) conditional describing an unreal past result. The 'if' clause needs the past perfect 'had studied' to match 'would have passed' in the main clause.
- 4. English — Punctuation & Rhetoric
The ___ toys were scattered across the floor. Which choice is the correct plural possessive?
- a.childrens
- b.children
- c.children's
- d.childrens'
Answer: c
Explanation: 'Children' is already plural, so the possessive is formed by adding an apostrophe and 's': children's. 'Childrens' and 'childrens'' are not real words.
- 5. English — Punctuation & Rhetoric
She packed three things ___ a map, a compass, and a bottle of water. Which punctuation best introduces the list?
- a.a colon (:)
- b.a comma (,)
- c.a semicolon (;)
- d.no punctuation
Answer: a
Explanation: A colon correctly introduces a list that follows a complete independent clause ('She packed three things'). A comma or semicolon would be incorrect here.
- 6. Math — Algebra
Solve for x: 2(x - 3) = 10.
- a.2
- b.5
- c.11
- d.8
Answer: d
Explanation: Divide both sides by 2 to get x - 3 = 5, then add 3 to both sides to get x = 8. Check: 2(8 - 3) = 2(5) = 10.
- 7. Math — Algebra
What is the slope of the line passing through the points (2, 3) and (6, 11)?
- a.4
- b.2
- c.1/2
- d.3
Answer: b
Explanation: Slope equals the change in y over the change in x: (11 - 3) / (6 - 2) = 8 / 4 = 2.
- 8. Math — Geometry
A triangle has a base of 10 units and a height of 6 units. What is its area?
- a.60
- b.16
- c.15
- d.30
Answer: d
Explanation: The area of a triangle is one half the base times the height: (1/2)(10)(6) = (1/2)(60) = 30 square units.
- 9. Math — Geometry
What is the area of a circle with radius 5, expressed in terms of pi?
- a.10π
- b.25π
- c.5π
- d.100π
Answer: b
Explanation: The area of a circle is pi times the radius squared: π(5)^2 = 25π. The circumference (not asked here) would be 10π.
- 10. Science Reasoning Basics
A student heats water and records its temperature. Time (min): 0, 5, 10, 15. Temperature (°C): 20, 30, 40, 50. If the trend continues, what is the predicted temperature at 20 minutes?
- a.55
- b.50
- c.70
- d.60
Answer: d
Explanation: The temperature rises 10 °C every 5 minutes (a constant rate). Continuing the pattern from 50 °C at 15 minutes adds another 10 °C, giving 60 °C at 20 minutes.