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Staff key: c-laterYear 1 Maths · T1 W9–10 · Assessment / C later key

Source and own response remain separate. Preserve first thinking and actual support before reading this key into feedback. A correct supplied value is not independent discovery.

Question 1: Start

Look for in this source: Twenty-five and seventeen account for forty-two; their values are supplied source data.

Next teaching for this question: On a new twenty-two account, show ten/twelve cover the whole once.

Later invitation: choose a new complete case after that teaching. Record changed quantity/arrangement and prior familiarity; do not repeat this exact answer until memorised.

Question 2: Direction

Look for in this source: Exactly three leave first part and enter second.

Next teaching for this question: On a new nine/six account, transfer one at a time and track three departures/arrivals.

Later invitation: choose a new complete case after that teaching. Record changed quantity/arrangement and prior familiarity; do not repeat this exact answer until memorised.

Question 3: New parts

Look for in this source: Twenty-two and twenty after transfer.

Next teaching for this question: On a new eighteen/seven account transfer three, then count both parts and connect both labels.

Later invitation: choose a new complete case after that teaching. Record changed quantity/arrangement and prior familiarity; do not repeat this exact answer until memorised.

Question 4: Whole

Look for in this source: The whole stays forty-two because no original object is added/removed; only membership changes.

Next teaching for this question: Use a new fifteen-object set and remove each object from its old place as it enters the new part.

Later invitation: choose a new complete case after that teaching. Record changed quantity/arrangement and prior familiarity; do not repeat this exact answer until memorised.

Accept different supported valid partitions subject to the particular question constraints. Record each component independently, with actual source/range/support. Maths hints, access supports and adult physical acts stay distinct. No speed, neatness, voice or motor score; no five-point grade inferred from four questions.

Original SubjectNest teaching and drawings © NeuroForgeIO Pty Ltd 2026, CC BY 4.0. Credit SubjectNest by NeuroForgeIO Pty Ltd, version 0.1.0, source and licence; note changes. Curriculum and provider rights remain separate.

Modified from the named State of Queensland (QCAA) Years 1–2 techniques/conditions, October 2023, Year 1 standards elaborations, April 2025 and complexity/familiarity advice,2025. Original mathematical tasks/criteria are ours; adapted conditions and folio guidance retain © QCAA 2023/2025, CC BY 4.0 subject to QCAA copyright, exclusions/third-party notices and no endorsement. No source student work/media/marks/glossary is supplied.