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About this exam

CAS Exam 5 is one of the ACAS exams listed in the Casualty Actuarial Society's navigation: the link text on casact.org identifies it as "Exam 5" pointing to a page titled "exam-5-basic-ratemaking-and-est-claim-liabilities." From that title, the exam covers two areas: basic ratemaking and estimating claim liabilities. It sits in the ACAS group alongside Exam 1 and 2, Exam MAS-I, Exam MAS-II, the CAS DISCs, and the Course on Professionalism, and precedes the FCAS exams (7, 8, 9). It is written for candidates progressing toward Associateship who need working command of property-casualty ratemaking and loss reserving. This page is independent study material and is not affiliated with, endorsed by, or sponsored by the CAS. Note that as of the retrieval date the CAS exam pages returned "Page not found," so verified details such as question count, duration, passing score, fee, format, and retake policy are not confirmed here and are marked for review; candidates should confirm them against the current CAS syllabus. To prepare, work through the two domains in parallel: ratemaking mechanics (loss costs, expenses, trend, credibility, classifications, deductibles) and reserving mechanics (development triangles, expected loss methods, Bornhuetter-Ferguson, case reserves, diagnostics). Practice full-length calculations by hand and write out assumptions, because partial credit depends on showing method.

What you'll study

Common questions

About CAS Exam 5 preparation

What does Exam 5 cover?

The CAS navigation labels the exam page "exam-5-basic-ratemaking-and-est-claim-liabilities," so the two content areas are basic ratemaking and estimating claim liabilities. Expect ratemaking topics such as loss costs, expenses, trend, credibility, and classification ratemaking, and reserving topics such as development techniques and expected-loss methods. Confirm the detailed syllabus on the CAS site.

How many questions and how long is the exam?

Not confirmed here. The CAS exam pages returned "Page not found" when retrieved, so question count and time limit are unavailable from the source. Do not rely on remembered figures from earlier sittings, since exams are revised. Check the current CAS syllabus and exam schedule for the authoritative numbers before you plan your timing practice.

What is the passing score and exam fee?

Unavailable from the retrieved source, which returned "Page not found" for the exam pages. Passing scores and fees are set by the CAS and can change between sittings. Consult the CAS exam fees page and past exams and pass marks page directly rather than any third-party summary, including this one.

Is Exam 5 part of the ACAS or FCAS requirements?

The CAS navigation lists Exam 5 under "ACAS Exams," alongside Exam 1 and 2, Exam MAS-I, Exam MAS-II, the CAS DISCs, and the Course on Professionalism. The FCAS group lists Exams 7, 8, and 9. So Exam 5 belongs to the Associateship stage, before the fellowship exams.

How difficult is Exam 5 compared with earlier exams?

Candidates generally find it a step up because it rewards calculation fluency and clear written assumptions rather than recognition. Ratemaking and reserving problems often chain several steps, so one early error propagates. Build speed on standard calculations first, then practice explaining method choices in writing, since partial credit depends on visible work.

Should I study ratemaking or reserving first?

Neither order is mandated. A practical approach is to alternate: ratemaking gives you loss cost and trend mechanics, while reserving gives you development patterns and expected loss methods. The two share underlying data concepts, so alternating reinforces both. Finish with mixed sets that force you to identify which method a question is asking for before calculating.

What are common failure modes on this exam?

Typical causes: skipping the assumption statement so graders cannot award partial credit, mixing incurred and paid bases mid-calculation, forgetting to restate trend or development to a common cost level, and running out of time on long multi-part questions. Practice writing short, labeled steps and check units and periods before finalizing each answer.

Can I retake Exam 5, and how often?

The retake policy is not stated in the retrieved source, which returned "Page not found" for the exam pages. Retake rules, sitting frequency, and any waiting periods are set by the CAS and are subject to change. Confirm the current policy through the CAS candidate FAQ and exam registration pages before assuming a schedule.

Where can I confirm current exam details?

Use the CAS site directly: the Exam 5 page linked from the ACAS Exams navigation, the exam fees page, the exam schedule, the candidate FAQ, and past exams and pass marks. This page is independent study material, is not affiliated with or endorsed by the CAS, and does not state official figures where the source was unavailable.