# Mini Routine: What if we changed one rule? | No-prep Critical Thinking Task | HPGE | Years 3-6 **Price:** $1.45 AUD **Seller:** TeachBuySell Seller **Year Levels:** year3, year4, year5, year6 **Subjects:** humanitiesAndSocialSciences, science, english ## Description (seller-submitted) Mini Thinking Task: What if we changed one rule? | Critical Thinking Activity | Stage 2 & Stage 3. This MindStretch Mini Thinking Task invites students to explore systems, consequences, and cause-and-effect thinking by making one small change — and tracking what happens next. Students consider how a single change can create ripple effects across a system, leading to new outcomes, unexpected consequences, and deeper understanding. What This Builds Systems thinking Cause and effect reasoning Perspective-taking Ethical and impact-based thinking Deep, complex reasoning What’s Included Clear, open-ended thinking task Teacher Quick Start (scripted launch + model example) Built-in differentiation (support + extension options) Student reflection questions Clean, printable PDF format Why Teachers Love It No prep required Encourages rich discussion and deeper thinking Works across subjects (HASS, literacy, STEM, inquiry) Engaging and accessible with a high ceiling Moves beyond simple answers into real reasoning How to Use Whole-class discussion starter Inquiry-based lesson launch Small group thinking task Independent work or enrichment Brain stretch or early finisher activity Part of the MindStretch Thinking Series This task is part of a structured progression: Volume 1: Foundational critical thinking Volume 2: Transfer thinking across contexts Volume 3: Deep, complex reasoning This task aligns with Volume 3: Deep Thinking Perfect For Years 3–6 Critical thinking lessons Inquiry-based classrooms Gifted and enrichment programs Developing higher-order thinking skills Want a ready-to-use classroom version of this thinking task? This task is also available as a Task Card set , designed for easy implementation, student independence, and repeat use. Explore the Task Card version to extend this thinking routine in your classroom. Change one rule. Explore the ripple effect. Think deeper. --- View on TeachBuySell: https://teachbuysell.com.au/l/6a3476ed-0326-4932-8a8c-e4f1996b7254 Marketplace: https://teachbuysell.com.au