Checked 29 September 2026 against the QCAA subject page and its General Mathematics 2025 v1.3 General senior syllabus, published January 2026. The subject page says this syllabus applies to students completing the course in 2026 or later. The source identity and locations are recorded in source-snapshot.json. QCAA has no ACARA Year 11 achievement-standard code for these lessons. GM-U1-T1 is our navigation shorthand, not an official code.
The syllabus places Unit 1: Money, measurement, algebra and linear equations at PDF page 16 / printed page 14 and Topic 1: Consumer arithmetic, sub-topic Applications of rates, percentages and use of spreadsheets (14 hours) at PDF page 17 / printed page 15. Each unit has 55 notional hours including assessment. This pack offers ten 25-minute blocks: 250 minutes = 4 hours 10 minutes. The previous ten opening blocks add 250 minutes, but even together do not amount to Topic 1's 14 hours. School timetables and full course designs may differ.
Exact source location to teaching evidence
The rows below number the nine bullet groups as they appear under QCAA Unit 1 Topic 1 on printed page 15. The descriptions are our paraphrases, so teachers should consult the linked official wording. “Touched” never means mastery or complete syllabus delivery.
| QCAA source row | Source subject matter, paraphrased | Evidence in this fortnight | Honest boundary |
|---|---|---|---|
| Printed p. 15, bullet 1 | Meaning of rates and percentages. | Days 11–14, 17–18 and both checks name numerator, base, period and units. | A few invented cases do not establish transferable mastery. |
| Printed p. 15, bullet 2 | Annual-to-weekly/fortnightly/monthly wages; hourly wages including overtime and allowances, commission and piecework. | Day 11/Card A and Check A period conversion; Days 12–13/Card B hourly versus piecework; Day 14/Card C and Check A commission. | Overtime and allowances are not taught in this fortnight. Work rights, deductions and employment terms are unknown. |
| Printed p. 15, bullet 3 | Government income-support calculations. | None. | Unaddressed; official current eligibility and rates must be sourced before teaching real values. |
| Printed p. 15, bullet 4 | Budget for a given income with fixed and discretionary spending. | Day 16/Card D and Day 19/Card G classify costs and find stipulated balances. | Gross income is used as available solely by exercise stipulation. No real personal budget is built; deductions and missing costs are unknown. |
| Printed p. 15, bullet 5 | Unit cost price comparisons. | This continuation does not repeat the opening pack's unit-price exercise. | Review earlier evidence; do not count this fortnight as new unit-cost instruction. |
| Printed p. 15, bullet 6 and equation immediately below | Percentage changes including GST and simple interest; the simple-interest relationship I=Pin with annual rate and years. |
Day 17/Card E and Check B use fully taxable stipulated GST; Day 18/Card F and Check B use simple interest. | Inflation, mark-ups, discounts and profit/loss are not developed here. Check actual GST classification from an official source; interest is fictional, not an investment return. |
| Printed p. 15, bullet 7 | Australian-dollar foreign exchange. | None. | Unaddressed; rates change and would need dated sourcing. |
| Printed p. 15, bullet 8 | Share dividends and price-to-earnings ratios. | None. | Unaddressed; not a share-buying guide. |
| Printed p. 15, bullet 9 | Spreadsheet display when computations repeat. | Day 19 supplies an optional local spreadsheet with visible formulas and a paper equivalent. | Supplying the file or paper-only use does not establish that a learner used a spreadsheet. A teacher should observe and record that separately if this bullet is targeted. |
The six Unit 1 objectives on printed page 14 include recalling, using and communicating mathematics, evaluating reasonableness, justifying decisions and solving problems. The exit prompts and checks offer limited observable samples of these behaviours, not an evaluation of all objectives. Unit 1 Topics 2–5 and all of Unit 2 remain outside this pack. QCAA's syllabus gives schools autonomy over delivery decisions; Units 1–2 school assessments have requirements described on printed page 5. Our two public, short formative checks are not those formal instruments, and no security or grading status is claimed. The public worked key means a teacher should collect a first response before feedback and create fresh local variants if access matters.
Factual rule and decision boundary
The Australian Taxation Office GST guidance gives GST of 10% of the exclusive value for a taxable supply, equivalent to one eleventh of a GST-inclusive price. We use that rule only where the fictional task explicitly stipulates a fully taxable supply. We do not assert that any actual print, design service, food item or other product is taxable. All salary, budget, sales, prices, rates and interest values were invented for this pack. They are not current quotes, pay rates, government benefits or financial advice.
Source and rights ledger
| Material | Origin, transformation and permitted use in this pack |
|---|---|
| QCAA syllabus identity, topic sequence, notional hours and subject-matter map | Official QCAA syllabus, attributed © State of Queensland (QCAA) 2026, with copyright conditions. Only short titles and mathematical notation are retained; descriptions here are paraphrases. QCAA logo, illustrations, third-party work and assessment materials are not reproduced. No QCAA endorsement is implied. |
| GST rule | Official ATO ruling, cited for the restricted fully-taxable arithmetic rule; no ATO text or logo is copied. Verify currency before real use. |
| Lessons, learner/check text, invented examples, calculations, response branches, diagrams and layout | Newly written/generated for SubjectNest in this pack. They contain no student information, third-party images or translated/First Nations cultural claims. See SOURCE-AND-RIGHTS.md for reuse/licence declaration and the DejaVu font notice. |
The web source was read on the check date, but the QCAA PDF could not be fetched as a local file through the command-line endpoint (HTTP 403). We therefore do not claim a checksum of the QCAA PDF or automatic live version verification. The local verifier checks the pinned source snapshot and our own file hashes. Recheck the official page when reusing the lesson in a later year.