ISAT Study Guide 2026
Everything you need to pass the ISAT exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
ISAT exam key facts
- The ISAT has 100 multiple-choice questions that test critical reasoning and quantitative reasoning. Source
- The ISAT is a 3-hour, online, multiple-choice assessment developed by ACER. Source
- The ISAT 2026 registration fee is AUD 435, paid to ACER by credit card (MasterCard or Visa) at the time of registration. Source
- Candidates may re-sit the ISAT only after 12 months have passed since their previous sitting. Source
- ISAT results are considered current for 2 years. Source
📋 ISAT Exam Format at a Glance
100
Questions
180 min
Time Limit
50.00%
Passing Score
📚 ISAT Topics to Study (55)
Critical Reasoning · 11 cardsQuantitative Reasoning · 11 cardsAnalyzing and Extending Ideas · 7 cardsArgument Evaluation and Flaws · 7 cardsData Interpretation: Graphs/Tables · 7 cardsIdentifying Assumptions in Arguments · 7 cardsIdentifying Assumptions in Arguments · 7 cardsInterpreting Scientific Data · 7 cardsInterpreting Scientific Data · 7 cardsLogical Deduction from Passages · 7 cardsMathematical Problem-Solving · 7 cardsMathematical Problem-Solving · 7 cardsMathematical Problem-Solving · 7 cardsMathematical Problem-Solving · 7 cardsProbability and Statistical Analysis · 7 cardsProbability and Statistical Analysis · 7 cardsProbability and Statistical Analysis · 7 cardsQuantitative Reasoning with Units · 7 cardsReading Comprehension: Main Idea · 7 cardsWritten English and Grammar · 7 cardsWritten English and Grammar · 7 cardsWritten English and Grammar · 7 cards- International Student Admissions Analyzing and Extending Ideas · 6 cardsAnalyzing and Extending Ideas · 6 cards- International Student Admissions Argument Evaluation and Flaws · 6 cardsArgument Evaluation and Flaws · 6 cards- International Student Admissions Data Interpretation: Graphs/Tables · 6 cards- International Student Admissions Data Interpretation: Graphs/Tables · 6 cardsData Interpretation: Graphs/Tables · 6 cards- International Student Admissions Identifying Assumptions in Arguments · 6 cards
✍️ Sample ISAT Questions & Answers
1. A bag contains 4 red, 3 blue, and 5 green marbles. If two marbles are drawn without replacement, what is the probability both are green?
✓ 5/33
P(both green) = (5/12) × (4/11) = 20/132 = 5/33.
2. A recipe calls for 2.5 liters of broth. If you only have a measuring cup marked in fluid ounces (1 L ≈ 33.8 fl oz), approximately how many fluid ounces do you need?
✓ 84.5 fl oz
2.5 × 33.8 = 84.5 fluid ounces.
3. 'Since we started using the new textbook, test scores have improved by 15%. The new textbook is clearly more effective than the old one.' Evaluate this argument.
✓ The argument assumes the textbook is the only variable that changed and ignores potential confounding factors
The argument commits the post hoc ergo propter hoc fallacy by attributing score improvement solely to the textbook without considering other factors.
4. A class of 30 students has a mean test score of 74. If a 31st student scores 100, what is the new mean?
✓ 75.2
New sum = 30 × 74 + 100 = 2320; new mean = 2320/31 ≈ 74.84 ≈ 75.2.
5. A sequence is defined by aₙ = 3n − 1. What is the sum of the first 10 terms?
✓ 140
Sum = Σ(3n−1) from n=1 to 10 = 3(55) − 10 = 165 − 25 = 140.
6. A water tank holds 3,000 liters. A pump fills it at a rate of 25 liters per minute. How many hours will it take to fill the tank?
✓ 2 hours
Time = 3000 ÷ 25 = 120 minutes = 2 hours.
🎯 Free ISAT Practice Tests
Critical Reasoning · 11 questionsQuantitative Reasoning · 11 questionsQuantitative Reasoning with Units · 7 questionsMathematical Problem-Solving · 7 questionsWritten English and Grammar · 7 questionsArgument Evaluation and Flaws · 7 questionsIdentifying Assumptions in Arguments · 7 questionsProbability and Statistical Analysis · 7 questionsMathematical Problem-Solving · 7 questionsMathematical Problem-Solving · 7 questions
📖 ISAT Guides & Articles
Your ISAT Study Path
1. Learn with Flashcards → 2. Drill Practice Tests → 3. Take the Full Exam Simulation
What Practice Test Geeks adds beyond an AI chat for ISAT
An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:
- A timed, full-length ISAT mock exam — 100 questions in 180 minutes with a 50% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
- A fixed ISAT question bank: the same test every attempt, so your score is comparable from one try to the next instead of changing with every regenerated quiz.
- Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
- A printable ISAT cheat sheet you can print or save as a PDF.
- ISAT flashcards built from the same question bank.
- Free ISAT practice tests with the correct answer shown after each question.
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How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy
Sources & references
Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy
- isat.acer.org — Retake policy, score release, score validity, fees, retake fee, test dates, registration, test delivery, eligibility, exam format · verified Oct 2026