VCE Units 3 & 4 · Victoria

Foundation Mathematics Scaling VCE 2026: Raw to Scaled

VCE Foundation Mathematics scales down in Victoria. Foundation Mathematics scales down sharply. In the 2025 VTAC scaling report a raw study score of 30 scaled to 20, with a study mean of 21.6.

What the 2025 VTAC report shows

Raw 30 → scaled 20

Study scores run 0–50, and VTAC's scaled study score can reach 55. This is the report's own conversion for a raw score of 30. It describes the 2025 cohort. Scaling is recalculated every year, so it is not a prediction of what your result will do.

You can't change the scaling. You can change the raw mark.

Scaling is decided by your cohort, after the exam, and nothing you do moves it. The raw mark is the only part of this you control — and the Foundation Mathematics hub is 20 full-length model exams with mark-by-mark answer guides, revision notes, practice questions and flashcards, built for exactly that.

Preview Foundation Mathematics free →VTAC ATAR calculator

The hub shows a sample revision note extract, one full exam question with its worked answer and the complete list of every exam and note title — no account needed to look around. Unlocking Foundation Mathematics for life is $20 once, or $50 for any three subjects. See what's included →

What Foundation Mathematics actually asks of you

Units 3 and 4 are assessed 60 per cent by School-assessed Coursework — three mathematical investigations across the two units, weighted 40 per cent in Unit 3 and 20 per cent in Unit 4 — and 40 per cent by one end-of-year written examination. That examination is a single paper worth 80 marks: 15 minutes reading time and 2 hours writing time, with no technology-free and technology-active split. Section A is 20 compulsory multiple-choice questions worth 1 mark each, answered on the Multiple-Choice Answer Sheet; a correct answer scores 1, an incorrect answer scores 0, and nothing is deducted for a wrong guess. Section B is 12 compulsory questions worth exactly 5 marks each, split into two to five labelled parts and written in the spaces in the Question and Answer Book. You are allowed one scientific calculator — not a CAS or graphics calculator — and one bound reference that may be annotated, and a VCAA formula sheet is supplied. Two rules run through every assessment report so far: show working on anything worth more than one mark, because answer-only responses cannot earn a partial mark, and round only at the final step and only as instructed.

The Foundation Mathematics exam is Tue 17 Nov 2026, 3:00 pm (2 hours 15 minutes (15 min reading time + 2 hours writing time)). Source: VCE timetable.

The 5 areas of study you are examined on

From the VCE Mathematics Study Design (from 2023) — Foundation Mathematics.

Units 3 and 4, AOS 1 — Algebra, number and structure
This area of study is the arithmetic and algebra the rest of the subject runs on. It starts with mathematical conventions and notation, order of operations, and the difference between rational numbers and the irrational numbers that turn up in measurement. From there it covers ratio, proportion, rates and percentages, including percentage increase and decrease and percentage error, and direct and indirect variation with a constant of proportionality. The algebra is practical: substituting into a supplied formula, transposing a formula to make a different variable the subject, and solving simultaneous equations both graphically and algebraically to find a break-even point. It closes on estimation and approximation — interval estimates, rounding, significant figures, leading-digit approximations, and floor and ceiling values — together with the habit of checking whether a calculated answer is plausible in its context.
In the exam: Papers have asked for the floor value of a percentage error on an estimated brick price, the break-even number of candles read off intersecting sales and cost lines, the minimum guest count that makes a fixed-cost venue cheaper than a flat per-head one, the transposition of a supplied after-tax income rule back to a before-tax figure, the volume of bleach in a 2:13 cleaning mixture, and a millilitre volume rounded by leading-digit approximation.
Where marks go missing: Rounding at an intermediate step. Assessment reports flag this every year: rounding partway through a multi-step calculation accumulates error and loses the final mark even when the method is right. Round once, at the end, to whatever the question actually asked for — and read carefully whether it wants a floor value, a ceiling value, a number of significant figures or the nearest dollar, because those are four different answers.
Units 3 and 4, AOS 2 — Data analysis, probability and statistics
The data strand runs from collecting data to being sceptical about it. It opens with the types of data — categorical, discrete numerical and continuous — and with designing a survey around a stated purpose and audience. You then build and read representations: tables, spreadsheets, the standard charts, and the contemporary displays the study design names explicitly, including pictograms, bubble charts, Mekko, radar, sunburst, heat map and stacked area charts. Summary statistics cover mean, median and mode for centre, and range, percentiles, quantile intervals, cumulative frequency and standard deviation for spread, alongside the shape of a distribution and the effect of outliers. The last part is inference: interpolation, extrapolation and prediction, long-term data and relative frequency used to talk about likelihood, and the limitations, errors and misrepresentations that make a statistic misleading.
In the exam: Recent questions have asked which quarter holds the median of a savings-rate time series, what the largest single-day fall in an exchange-rate graph was, how many surveyed children a quoted percentage represents, how a single extreme speed reading moves the mean and the median, what two percentile curves say about one child's weight, and a written comparison of two petrol-price series using their means, ranges and standard deviations.
Where marks go missing: Answering a 'compare' or 'describe' question with a number instead of a sentence. When the paper supplies mean, range and standard deviation and asks you to compare two data sets, the marks are for saying which is higher on average and which is more variable, in words — recomputing the statistics earns nothing. The matching mistake in the other direction is quoting a bare figure where the question wanted a percentage sign or a unit.
Units 3 and 4, AOS 3 — Discrete mathematics: financial and consumer mathematics
Despite the 'Discrete mathematics' heading, this area of study is financial and consumer mathematics from start to finish — there is no graph theory, no networks, no matrices and no recursion in Foundation Mathematics. It covers money management: borrowing, loans and mortgages, credit and debit, debt consolidation, and comparing a mortgage against renting. Taxation and superannuation are studied at personal and business level, including income tax scales and marginal rates, and routine business transactions such as GST, invoicing and Business Activity Statements, payroll, leave entitlements and depreciation. It also asks you to compare non-bank financial products — insurance, phone and internet plans, hire purchase — and to read financial and economic data at the community, national or global level, including inflation, currency fluctuation, gender pay gaps and other indicators, and to think about financial risk over the short, medium and long term.
In the exam: Papers have applied a published ATO resident tax table to a stated taxable income, calculated an employer superannuation contribution on one week of casual pay, split principal from interest in the first repayment on a $400 000 loan, completed the blank Amount and GST lines of a tax invoice, applied a banded commission table, priced a year of appliance use across a currency conversion, and compared an annual zoo membership with six single adult entries.
Where marks go missing: Treating an Australian financial convention as generic arithmetic. GST is 10 per cent added to a GST-exclusive price, which is not the same operation as extracting the GST component from a price that already includes it; a marginal tax band applies only to the dollars above its threshold, not to the whole income; and money has to be written with the dollar sign and two decimal places. Each of those has cost marks in a released report.
Units 3 and 4, AOS 4 — Space and measurement
Space and measurement covers shape, size and how confident you can be in a measurement. It begins with the names and properties of two- and three-dimensional shapes and objects and the drawing conventions used for diagrams, plans, maps, models and nets, then works through transformations, symmetry, similarity and common angle properties, and the scaling calculations behind enlargement and reduction. Measurement itself covers metric units, derived quantities such as rates and density, routine non-metric measures, and reading digital and analogue instruments and scales. The calculation work is perimeter, area, surface area, volume and capacity of compound shapes and objects, including using Pythagoras' theorem and the area formulas on the supplied sheet. It ends with calibration and error: tolerance, accuracy and precision, and what an acceptable margin actually means in a manufacturing or construction context.
In the exam: Recent tasks include finding an unknown height in a set of similar triangles in a bridge rail, approximating a park's area from a map scale bar, the area of a uniform-width safety zone around a netball court and the total length of its painted markings, the volume of an internal cylindrical space converted from cubic millimetres to cubic centimetres to three significant figures, which measured piston diameters sit inside a ± 0.005 mm tolerance, and the number of overlapping sandbags needed to build a wall of stated length and height.
Where marks go missing: Unit conversion in two and three dimensions. Converting a length by a factor of ten does not convert an area by ten or a volume by ten, and the paper regularly hands you a conversion line — 1000 mm³ = 1 cm³, 1000 cm³ = 1 L, 10 000 m² = 1 ha — precisely because that is where responses go wrong. The second recurring loss is giving a compound-shape answer without stating the unit the question asked for.
Units 1 and 2 — assumed knowledge (not externally examined)
Foundation Mathematics Units 1 and 2 are named in the study design as the assumed knowledge and skills for Units 3 and 4, and they mirror the same four areas of study at a more routine level. Area of Study 1 covers integers, fractions and decimals and their operations, ratio, proportion, percentage and rate, and estimation and reasonableness. Area of Study 2 covers collecting data and representing it in diagrams, tables and graphs, and interpreting it to communicate a finding. Area of Study 3 is personal financial and consumer mathematics — banking, bills, borrowing, rates of pay and payslips, personal taxation and superannuation, fees and interest. Area of Study 4 covers standard metric units and common derived measures, reading digital and analogue instruments, estimation strategies, and time and duration including dates, schedules and timetables.
In the exam: Units 1 and 2 are assessed at school level and are not part of the end-of-year examination, which covers Units 3 and 4 only. The examination assumes this material rather than testing it directly: a Units 3 and 4 question will hand you a payslip, a timetable, an instrument reading or a percentage without pausing to explain any of them.
Where marks go missing: Assuming the assumed knowledge will be re-taught. Students who never became fluent with percentages, unit conversion and reading a scale spend their Section B time recovering those basics instead of doing the five-mark task in front of them — and the paper is 32 questions in two hours, so there is no slack for it.

Full Foundation Mathematics study-design guide →

How scaling works in Victoria

In Victoria, VCAA gives you a raw study score out of 50 for each study. VTAC then scales it. Scaling looks at how students in that study performed across all their other studies: if a study's cohort tends to do well elsewhere, the study is treated as more competitive and its scores are adjusted upward, and if the cohort tends to do less well elsewhere, scores are adjusted downward. The result is a scaled study score between 0 and 55. VTAC then builds your aggregate from an English study, which is compulsory, plus your three next-highest scaled scores, plus 10 per cent of a fifth and sixth scaled score. Aggregates are ranked across the state and converted to an ATAR. Scaling is recalculated every year, so it is never fixed.

Source: official VTAC scaling report (PDF). Last checked 2026-08-18.

What scaling is not

Scaling is not a difficulty rating and it is not a bonus. It compares how the students in one subject performed across every other subject they took, so a subject scales down because of its cohort, not because of the paper. The consequence is practical: you cannot scale your way out of a weak result. The only lever you control is the raw mark, and the fastest way to move that is full-length timed practice against the real exam format.

VCE Foundation Mathematics practice exams VTAC ATAR calculator

Questions

Does VCE Foundation Mathematics scale up or down?

Foundation Mathematics scales down sharply. In the 2025 VTAC scaling report a raw study score of 30 scaled to 20, with a study mean of 21.6.

How does subject scaling work in Victoria?

Should I choose Foundation Mathematics because of how it scales?

Scaling adjusts a whole cohort, not one student, so choosing a subject you will struggle in because it scales up is usually a worse trade than doing well in one that scales down. Check the prerequisites for the course you want first, then your interest and workload, and treat scaling as a tie-breaker. Scaling is also recalculated every year, so the figures in any report describe a past cohort rather than the year you are sitting.