# Facts and source dates

Lesson prices/fees/offers, quantities and capacities are fictional, not local prices, household observations or transport safety claims.

Optional adult factual paraphrase: Australian banknotes have five denominations: $5,$10,$20,$50,$100. A denomination gives a note value, not a current price. [Reserve Bank of Australia banknotes education](https://www.rba.gov.au/education/topics/banknotes/) recorded13October2026. No note images/logos/media, cash-rate/payment-share data or endorsement.

## Full unchanged acquisition/rights record

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    "fixed_predecessor_revision": "4648f91e381afcd8f44278b0cd20c1791389d9db",
    "new_scope": "Days61–65 multiplicative modelling, grouping/sharing, efficient strategy and comparing useful plans; Days66–70 fictional financial modelling, rounding limits, whole-pack comparison, critique and an organiser note.",
    "predecessor": "Published11–12 teacher material actually teaches efficient addition/subtraction and unknown additive roles with selected whole-dollar modelling. The historical annual planned multiplication/division labels do not prove that instruction occurred. Do not assume prerequisite mastery.",
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      "control": "Split held/families and complete new next-teaching into separately admitted bounded chunks; do not alter original semantic bodies.",
      "kind": "pre-execution launcher refusal",
      "result": "CreateProcess Argument list too long (os error7) before a process or owner write was created."
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    {
      "action": "Build CHUNK05 in a fresh functions isolate",
      "control": "Persist the original modelling helper source explicitly for fresh-isolate use; keep completed chunks unchanged.",
      "kind": "pre-write composition refusal",
      "result": "ReferenceError itemModel is not defined before any tool or owner write."
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  "prefix": "products/curriculum-studio/content/year-4/mathematics/term-2/weeks-11-12/",
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[Current curriculum manual](../teacher/CURRICULUM.html) · [Local factual review](LOCAL-FACT-REVIEW.html) · [Complete source notice](SOURCE-NOTICE.html)