PEI Math 521A case studies
PEI Math 521A · Put your knowledge to work in context.
PEI Math 521A is a senior high school mathematics course in Prince Edward Island's public school system, and the associated provincial assessment is written by students who complete it. The course sits at the top of the academic mathematics stream, so it is intended for learners who plan to enter university programs in science, engineering, commerce, health sciences, or mathematics itself, and who need a transcript grade that signals readiness for calculus-level work. The PEI Math 521A case studies are 5 cases and about 2,845 words.
1Choosing a Model for Cooling Coffee in a School Lab
A Grade 12 class records the temperature of a cup of coffee left in a room held at 21 °C. Readings are taken every 2 minutes for 30 minutes.
559 words, about 3 min2Auditing a Raffle's Expected Payout and Fairness Claim
A student council runs a raffle to fund a trip. Each ticket costs 5.
448 words, about 2 min3Deciding Whether a Transformation Preserves the Domain of a Function
A pre-calculus class studies f(x) = √(x - 3) / (x - 7). A student performs a sequence of operations to 'simplify' the expression and obtain g(x) = 1 / (√(x - 3) + 4).
611 words, about 3 min4Interpreting a Confidence Interval from a Small Sample
A student measures the mass of 9 randomly selected packets of seeds from a production line and obtains a mean of 50.2 g with a sample standard deviation of 1.5 g. The student constructs a 95% confidence interval for the population mean using the normal critical value 1.96 and reports 50.2 ± 0.98, i.e., (49.22, 51.18).
457 words, about 2 min5A Scheduling Problem with Conflicting Constraints
A school must schedule five club meetings-Art (A), Band (B), Chess (C), Drama (D), and Environment (E)-into three time slots: morning, midday, and afternoon. Constraints: A and B cannot share a slot because they share a room.
770 words, about 4 min