Build student confidence in writing observations and assumptions for PSMTs with this scaffolded QCAA-aligned worksheet and answer key.
This resource is designed to support Year 11–12 students completing mathematical investigations under the QCAA Senior Mathematics Syllabus (2025 version). It explicitly targets the “Formulate” criterion from the ISMG and guides students through the process of identifying relevant observations and stating and justifying reasonable assumptions.
Including definitions of observations and assumptions, direct links to the QCAA Senior Mathematics Syllabus, sample responses and scaffolding to support students to practice justifying their own assumptions and observations, this activity is ideal for use during the early planning stages of a Problem-Solving and Modelling Task (PSMT) or as a revision activity in class. Suitable for General Mathematics, Mathematical Methods, and Specialist Mathematics courses.
Keywords:
- QCAA Senior Mathematics
- Senior Maths Australia
- Queensland curriculum
- General Mathematics
- Mathematical Methods
- Specialist Mathematics
- Year 11 Mathematics
- Year 12 Mathematics
- Observations and assumptions
- Identifying assumptions
- Stating assumptions
- Justifying assumptions
- Identifying observations
- Stating observations
- Justifying observations
- Referencing observations
- Problem solving skills
- Critical thinking
- Mathematical reasoning
- Maths literacy skills
- Classroom activity
- Worksheet with answers
- Teacher resource
- Maths revision activity
- Senior maths resource
- Maths assignment
- Group activity
- Student engagement
- Australian senior maths
- Queensland senior secondary
- Year 11 QLD
- Year 12 QLD
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A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place.
Bundle
QCAA PSMT Formulate & Evaluate Bundle
Boost your students’ success in QCAA Senior Mathematics PSMTs with this linked resource bundle. Designed to directly align with the QCAA General, Methods and Specialist Mathematics syllabuses, these two activities guide students through the critical Formulate and Evaluate criteria using clear definitions, worked examples, and scaffolded practice. This bundle includes: * Assumptions & Observations Activity: Students analyse mock PSMT tasks to identify and justify assumptions and observations, considering their impact on the reasonableness of solutions. * Evaluation Activity: Builds directly on the same mock tasks, extending students’ ability to verify results, assess reasonableness, and provide justified statements of strengths and limitations. Because the activities are linked through shared tasks, the Evaluation resource naturally follows from the Assumptions & Observations resource, reinforcing understanding and ensuring continuity for students. Both resources include answers, making them perfect for class activities, homework, or exam/PSMT preparation. * Directly aligned to QCAA Senior Mathematics assessment practices * Saves teachers planning time with ready-to-use, syllabus-matched tasks * Builds student confidence and mastery in PSMT Evaluation skills Ideal for Year 11–12 QCAA Mathematics teachers who want resources that train students to meet the cognitive verb demands of the PSMT instrument-specific criteria.
£4.00
Bundle
QCAA Maths PSMT Ultimate Bundle
Essential PSMT support for QCAA Senior Maths! Includes scaffold, assumptions & observations, and evaluation activities with answers. This comprehensive PSMT support bundle has been designed specifically for QCAA Senior Mathematics subjects. It contains three linked resources that build directly on each other to guide students through the key requirements of the Problem-Solving and Modelling Task (PSMT). * Resource 1: PSMT Scaffold A structured scaffold to help students plan, organise and write their PSMT responses. Includes prompts aligned with the assessment criteria and guidance for each stage of the process. * Resource 2: Assumptions & Observations Activity An engaging worksheet where students analyse mock task statements and determine whether they qualify as assumptions or observations. Includes model answers and is fully aligned to Unit 2 criteria. * Resource 3: Evaluation Activity Directly linked to the assumptions & observations resource, this activity challenges students to evaluate results and justify reasonableness, strengths, and limitations in context. Includes worked answers. Because these activities use the same mock tasks across both activities, the evaluation resource naturally builds on the assumptions & observations one, giving students a seamless learning sequence. This bundle saves teachers time while providing students with targeted, syllabus-aligned practice that strengthens their written communication and critical thinking for PSMTs. Perfect for: * Senior Mathematics teachers in Queensland (General Mathematics, Mathematical Methods, Specialist Mathematics) * Formative classroom activities * Revision before completing or submitting a PSMT * Homework or extension practice for evaluation and communication skills All resources are supplied as editable Word documents with complete answers included. Keywords: QCAA Senior Mathematics Queensland Curriculum QLD Maths PSMT Senior Maths resources PSMT scaffold PSMT support PSMT bundle QCAA assessment Mathematical Methods PSMT Specialist Maths PSMT General Mathematics PSMT PSMT evaluation PSMT assumptions PSMT observations PSMT writing skills Problem Solving and Modelling Task QCAA Senior maths assessment support QCAA PSMT teaching resources PSMT reasoning Senior maths critical thinking Senior maths writing QCAA Unit 1 QCAA Unit 3 Year 11 Maths Queensland Year 12 Maths Queensland Evaluation skills senior maths Assumptions and observations activity Formulate activity Evaluation activity senior maths PSMT examples Senior maths worksheets TES maths bundles
£5.50
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