Give every activity a reason.

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.alignment{display:grid;grid-template-columns:1fr 1.2fr;gap:28px}.linked{padding:16px;border-bottom:1px solid #becbc4;background:#fff}.linked h3{margin-top:8px}.tracing .linked{background:#e3eee6;box-shadow:inset 4px 0 var(--accent)}@media(max-width:600px){.alignment{grid-template-columns:1fr}}</style></head><body><main><header><p class="eyebrow">Backward design · Fictional school garden</p><h1>Give every activity a reason.</h1><p class="lede">Trace the independent planting decision through its evidence and practice. Plant profiles are invented teaching inputs.</p></header>
<section class="callout"><span class="tag">G1 · Transfer goal</span><h2>Independently justify a planting choice using supplied conditions.</h2><p>Read profiles, compare requirements, and explain a tradeoff.</p><button id="trace" aria-pressed="false" aria-controls="alignment">Trace G1 links</button><p id="trace-status" class="small" aria-live="polite">E1, E2, and L1–L4 link to G1. L5 has no demonstrated link.</p></section>
<div id="alignment" class="alignment"><section><p class="eyebrow">02 · Assessment evidence</p><div class="linked"><span class="tag">E1 · Linked to G1</span><h3>Recommend one plant</h3><p>Identify the plant, cite sunlight and watering evidence, and explain why the alternative does not fit.</p></div><div class="linked"><span class="tag">E2 · Linked to G1</span><h3>Transfer to changed conditions</h3><p>Use a different supplied bed. Recognize when the constraints allow both plants and name additional information needed.</p></div></section><section><p class="eyebrow">03 · Learning plan</p><ol class="list"><li class="linked"><span class="tag">L1 · Linked to G1</span><p>Interpret each plant profile.</p></li><li class="linked"><span class="tag">L2 · Linked to G1</span><p>Compare both profiles with the bed conditions.</p></li><li class="linked"><span class="tag">L3 · Linked to G1</span><p>Explain a choice to a partner; revise an unsupported reason.</p></li><li class="linked"><span class="tag">L4 · Linked to G1</span><p>Practice with changed conditions before the independent check.</p></li></ol><div class="callout warning section"><b>L5 · No link to G1</b><p>Decorate plant labels. Remove from the assessed sequence, give it another purpose, or redesign it to include a supported recommendation.</p></div></section></div>
<section class="section panel"><h2>Test the changed context</h2><div class="toolbar" role="group" aria-label="bed"><button type="button" data-bed="0" aria-pressed="true">Original bed</button><button type="button" data-bed="1" aria-pressed="false">Changed bed</button></div><p id="bed-result" aria-live="polite"></p><table class="responsive"><caption>Invented plant requirements</caption><thead><tr><th>Profile</th><th>Sunlight</th><th>Watering</th></tr></thead><tbody><tr><td>Plant A</td><td><span class="mobile-label">Sunlight: </span>6 hours daily</td><td><span class="mobile-label">Watering: </span>Daily</td></tr><tr><td>Plant B</td><td><span class="mobile-label">Sunlight: </span>4 hours daily</td><td><span class="mobile-label">Watering: </span>Twice weekly</td></tr></tbody></table></section><div class="rule"><p><b>Essential question:</b> How do we choose when conditions and preferences compete?</p><p class="small">Required district standard: [TO SUPPLY, exact wording]. Replace invented profiles with checked information before using real plants.</p></div><footer>Original illustrative example · Local controls only. Changes are temporary and clear when this page is reloaded. Keep actual records in your approved source tools.</footer></main><script>const $=s=>document.querySelector(s);const $$=s=>Array.from(document.querySelectorAll(s));function pressed(attr,i){$$('[data-'+attr+']').forEach(b=>b.setAttribute('aria-pressed',String(Number(b.dataset[attr])===i)));}

$('#trace').addEventListener('click',()=>{const on=$('#trace').getAttribute('aria-pressed')!=='true';$('#trace').setAttribute('aria-pressed',String(on));$('#alignment').classList.toggle('tracing',on);$('#trace-status').textContent=on?'G1 highlighted: E1, E2, L1, L2, L3, L4. L5 remains unlinked.':'E1, E2, and L1–L4 link to G1. L5 has no demonstrated link.';});
function bed(i){pressed('bed',i);$('#bed-result').textContent=i===0?'Bed: 4 hours of sunlight daily; water twice a week. Plant B fits both supplied constraints; Plant A requires more light and more frequent watering.':'Changed bed: 6 hours of sunlight daily; water daily. Both supplied profiles can fit. The constraints no longer force a single choice: ask for a preference or more information.';}$$('[data-bed]').forEach(b=>b.addEventListener('click',()=>bed(Number(b.dataset.bed))));bed(0);</script></body></html>