Project sequence generator

Student Presentation Order Picker

Student Presentation Order Picker gives individuals or project groups a random, visible speaking sequence. Each selected presentation is removed so the same project cannot appear twice.

presentation orderstudent projectsspeaking sequenceno-repeat wheel

Wheel of Names

Elimination: OFF Accumulation: OFF Auto-Spin: OFF Fair Rotation: OFF
Add entries and spin the wheel.
(()=>{ const r=document.currentScript.closest(‘.wnx-spinner’); if(!r||r.dataset.ready)return; r.dataset.ready=’1′; const $=s=>r.querySelector(s),$$=s=>[…r.querySelectorAll(s)]; const params=new URLSearchParams(location.search),cfg=document.querySelector(‘.wnx-config’); const mode=cfg?.dataset.mode||r.dataset.mode||’standard’; const title=cfg?.dataset.title||r.dataset.title||document.querySelector(‘.wn-page h1′)?.textContent||’Wheel of Names’; const raw=params.get(‘wnitems’)||cfg?.dataset.items||r.dataset.items||’Alice~Bob~Charlie~David~Eve~Frank’; const palettes=[ ((cfg?.dataset.palette)||r.dataset.palette||”).split(‘,’).filter(Boolean), [‘#6366f1′,’#8b5cf6′,’#ec4899′,’#f97316′,’#14b8a6′,’#3b82f6’], [‘#ef476f’,’#f78c6b’,’#ffd166′,’#06d6a0′,’#118ab2′,’#7353ba’], [‘#22c55e’,’#06b6d4′,’#3b82f6′,’#8b5cf6′,’#ec4899′,’#f59e0b’] ].filter(x=>x.length>2); let colors=palettes[0]; let entries=raw.split(‘~’).map(v=>{try{return decodeURIComponent(v)}catch(e){return v}}).filter(Boolean).map(v=>{ const p=v.split(‘|’); const weight=mode===’weighted’?Math.max(1,Number(p.pop())||1):1; return{name:p.join(‘|’),weight,count:0,last:-999,image:”}; }); let angle=0,busy=false,history=[],undo=[],redo=[],spinNumber=0,lastReceipt=null,preSpin=[]; let backgroundImage=”,centerImage=”,backgroundOpacity=.45,centerRadius=76,pendingEntryImage=”,pendingEntryFilename=”; const imageCache=new Map(); const canvas=$(‘.wnx-canvas’),ctx=canvas.getContext(‘2d’),spin=$(‘.wnx-spin’),result=$(‘.wnx-result’),list=$(‘.wnx-list’); const elimination=$(‘.wnx-elimination’),accumulation=$(‘.wnx-accumulation’),auto=$(‘.wnx-auto’),winnerCount=$(‘.wnx-winner-count’),duration=$(‘.wnx-duration’); const balance=$(‘.wnx-smart-balance’),cooldown=$(‘.wnx-smart-cooldown’); $(‘.wnx-title’).textContent=title; elimination.checked=mode===’norepeat’||params.get(‘wnremove’)===’1′; winnerCount.value=mode===’multi’?Math.max(1,Number(cfg?.dataset.count||r.dataset.count)||3):1; $(‘.wnx-multi-field’).classList.toggle(‘wnx-hidden’,mode!==’multi’); const escapeHtml=s=>String(s).replace(/[&”‘]/g,m=>({‘&’:’&’,”:’>’,'”‘:’"’,”‘”:’'’}[m])); const snapshot=()=>JSON.stringify(entries); const save=()=>{undo.push(snapshot());if(undo.length>25)undo.shift();redo=[];}; const randomInt=n=>{if(n=limit);return a[0]%n;}; function getImage(src){ if(!src)return null; if(imageCache.has(src))return imageCache.get(src); const img=new Image(); img.onload=draw; img.src=src; imageCache.set(src,img); return img; } function drawCover(img,x,y,w,h){ if(!img||!img.complete||!img.naturalWidth)return; const scale=Math.max(w/img.naturalWidth,h/img.naturalHeight); const dw=img.naturalWidth*scale,dh=img.naturalHeight*scale; ctx.drawImage(img,x+(w-dw)/2,y+(h-dh)/2,dw,dh); } function readOptimizedImage(file,maxSize=1000){ return new Promise((resolve,reject)=>{ if(!file||!file.type.startsWith(‘image/’)){reject(new Error(‘Please choose an image file.’));return;} const reader=new FileReader(); reader.onerror=()=>reject(new Error(‘The image could not be read.’)); reader.onload=()=>{ const img=new Image(); img.onerror=()=>reject(new Error(‘The image format is not supported.’)); img.onload=()=>{ const scale=Math.min(1,maxSize/Math.max(img.naturalWidth,img.naturalHeight)); const w=Math.max(1,Math.round(img.naturalWidth*scale)),h=Math.max(1,Math.round(img.naturalHeight*scale)); const temp=document.createElement(‘canvas’);temp.width=w;temp.height=h; const t=temp.getContext(‘2d’);t.drawImage(img,0,0,w,h); const type=file.type===’image/png’?’image/png’:’image/jpeg’; resolve(temp.toDataURL(type,type===’image/jpeg’?.86:undefined)); }; img.src=String(reader.result||”); }; reader.readAsDataURL(file); }); } const smartOn=()=>!elimination.checked&&(balance.checked||Number(cooldown.value)>0); function eligibleEntries(){ let pool=[…entries]; if(!smartOn())return pool; const cd=Number(cooldown.value); if(cd>0){const cooled=pool.filter(e=>spinNumber-e.last>=cd);if(cooled.length)pool=cooled;} if(balance.checked&&pool.length){const min=Math.min(…pool.map(e=>e.count));pool=pool.filter(e=>e.count===min);} return pool.length?pool:[…entries]; } function segments(){ const total=entries.reduce((s,e)=>s+e.weight,0)||1; let used=0; return entries.map(entry=>{const start=used/total*Math.PI*2;used+=entry.weight;return{entry,start,end:used/total*Math.PI*2};}); } function draw(){ const size=900,center=450,radius=418,segs=segments(),allowed=new Set(eligibleEntries()); ctx.clearRect(0,0,size,size); if(backgroundImage){ const img=getImage(backgroundImage); ctx.save();ctx.beginPath();ctx.arc(center,center,radius,0,Math.PI*2);ctx.clip();ctx.globalAlpha=backgroundOpacity;drawCover(img,center-radius,center-radius,radius*2,radius*2);ctx.restore(); } if(!segs.length){ ctx.beginPath();ctx.arc(center,center,radius,0,Math.PI*2);ctx.fillStyle=’#0b1628′;ctx.fill();ctx.strokeStyle=’rgba(129,140,248,.24)’;ctx.lineWidth=6;ctx.stroke();ctx.fillStyle=’#94a3b8′;ctx.font=’800 34px system-ui’;ctx.textAlign=’center’;ctx.fillText(‘Add entries’,center,center);return; } segs.forEach((seg,index)=>{ const dim=smartOn()&&!allowed.has(seg.entry); const start=seg.start+angle,end=seg.end+angle; ctx.save(); ctx.globalAlpha=dim?.2:1; ctx.beginPath();ctx.moveTo(center,center);ctx.arc(center,center,radius,start,end);ctx.closePath(); if(seg.entry.image){ ctx.save();ctx.clip();drawCover(getImage(seg.entry.image),center-radius,center-radius,radius*2,radius*2);ctx.restore(); ctx.globalAlpha=dim?.12:.22;ctx.fillStyle=colors[index%colors.length];ctx.fill();ctx.globalAlpha=dim?.2:1; }else{ ctx.fillStyle=colors[index%colors.length]; if(backgroundImage)ctx.globalAlpha=dim?.14:.72; ctx.fill();ctx.globalAlpha=dim?.2:1; } ctx.strokeStyle=’rgba(255,255,255,.82)’;ctx.lineWidth=5;ctx.stroke(); const mid=(seg.start+seg.end)/2+angle; ctx.translate(center,center);ctx.rotate(mid);ctx.textAlign=’right’;ctx.fillStyle=’#fff’;ctx.shadowColor=’rgba(0,0,0,.55)’;ctx.shadowBlur=8; ctx.font=`850 ${Math.max(18,Math.min(33,350/entries.length+16))}px system-ui`; const label=seg.entry.name.length>22?seg.entry.name.slice(0,20)+’…’:seg.entry.name; ctx.fillText(label,radius-34,10);ctx.restore(); }); ctx.save();ctx.beginPath();ctx.arc(center,center,centerRadius,0,Math.PI*2);ctx.clip(); if(centerImage){drawCover(getImage(centerImage),center-centerRadius,center-centerRadius,centerRadius*2,centerRadius*2);}else{ctx.fillStyle=’#0b1628′;ctx.fillRect(center-centerRadius,center-centerRadius,centerRadius*2,centerRadius*2);} ctx.restore();ctx.beginPath();ctx.arc(center,center,centerRadius,0,Math.PI*2);ctx.strokeStyle=’rgba(255,255,255,.24)’;ctx.lineWidth=10;ctx.stroke(); } function updateBadges(){ [[ $(‘.wnx-badge-elimination’),elimination,’Elimination’],[$(‘.wnx-badge-accumulation’),accumulation,’Accumulation’],[$(‘.wnx-badge-auto’),auto,’Auto-Spin’],[$(‘.wnx-badge-smart’),{checked:smartOn()},’Fair Rotation’]].forEach(([el,input,label])=>{el.textContent=`${label}: ${input.checked?’ON’:’OFF’}`;el.classList.toggle(‘is-on’,input.checked);}); } function balanceScore(){ if(!entries.length)return 100; const total=entries.reduce((s,e)=>s+e.count,0),mean=total/entries.length; if(!mean)return 100; const deviation=entries.reduce((s,e)=>s+Math.abs(e.count-mean),0)/entries.length; return Math.max(0,Math.round(100-deviation/mean*100)); } function updateDashboard(){ $(‘.wnx-balance-score’).textContent=balanceScore()+’%’;$(‘.wnx-smart-spins’).textContent=String(spinNumber); $(‘.wnx-smart-counts’).innerHTML=[…entries].sort((a,b)=>a.count-b.count||a.name.localeCompare(b.name)).map(e=>`
${escapeHtml(e.name)}${e.count}
`).join(”)||’

No entries yet.

‘; const status=$(‘.wnx-smart-status’); if(elimination.checked&&(balance.checked||Number(cooldown.value)>0))status.textContent=’Smart Fair Rotation is paused while Elimination mode is active.’; else if(!smartOn())status.textContent=’Pure random mode is active.’; else{const parts=[];if(balance.checked)parts.push(‘least-selected priority’);if(Number(cooldown.value)>0)parts.push(`${cooldown.value}-spin cooldown`);status.textContent=`Smart mode active: ${parts.join(‘ + ‘)}. Dimmed slices are temporarily ineligible.`;} } function render(){ list.innerHTML=entries.map((entry,index)=>`
  • ⋮⋮
    ${entry.image?``:”}
    ${entry.weight}
  • `).join(”); $(‘.wnx-undo’).disabled=!undo.length;$(‘.wnx-redo’).disabled=!redo.length;draw();updateBadges();updateDashboard(); } function choose(pool){ const total=pool.reduce((s,e)=>s+e.weight,0);let n=randomInt(total),used=0; for(let i=0;i<pool.length;i++){used+=pool[i].weight;if(nv.toString(16).padStart(2,’0′)).join(”); const bytes=new TextEncoder().encode(text),hash=await crypto.subtle.digest(‘SHA-256′,bytes); return[…new Uint8Array(hash)].map(v=>v.toString(16).padStart(2,’0’)).join(”); } async function createReceipt(selected){ const payload={version:2,site:location.origin,page:location.pathname,timestamp:new Date().toISOString(),spinNumber,result:selected.map(e=>e.name),entries:preSpin,entryImages:selected.map(e=>({name:e.name,hasImage:Boolean(e.image)})),backgroundImage:Boolean(backgroundImage),centerImage:Boolean(centerImage),smartFairRotation:balance.checked,cooldownSpins:Number(cooldown.value),elimination:elimination.checked,accumulation:accumulation.checked,autoSpin:auto.checked}; const hash=await sha256(JSON.stringify(payload));lastReceipt={…payload,sha256:hash,receiptId:’WNR-‘+hash.slice(0,16).toUpperCase()}; $(‘.wnx-receipt-id’).textContent=lastReceipt.receiptId;$(‘.wnx-copy-receipt’).disabled=false;$(‘.wnx-download-receipt’).disabled=false; } function finish(selected){ spinNumber++;selected.forEach(e=>{e.count++;e.last=spinNumber;}); const time=new Date().toLocaleTimeString();history.unshift(`${time} — ${selected.map(e=>e.name).join(‘, ‘)}`); $(‘.wnx-history’).innerHTML=history.map(v=>`
  • ${escapeHtml(v)}
  • `).join(”);$(‘.wnx-empty’).classList.toggle(‘wnx-hidden’,history.length>0); result.textContent=(selected.length>1?’Winners: ‘:’Winner: ‘)+selected.map(e=>e.name+(accumulation.checked?` (${e.count})`:”)).join(‘, ‘); createReceipt(selected); if(elimination.checked){save();const set=new Set(selected);entries=entries.filter(e=>!set.has(e));render();}else{draw();updateDashboard();updateBadges();} busy=false;spin.disabled=false;if(auto.checked&&entries.length)setTimeout(startSpin,1200); } function startSpin(){ if(busy||!entries.length){if(!entries.length)result.textContent=’Add at least one entry.’;return;} busy=true;spin.disabled=true;preSpin=entries.map(e=>({name:e.name,weight:e.weight,hasImage:Boolean(e.image)})); let base=eligibleEntries();if(mode===’multi’&&base.length<Math.max(1,Number(winnerCount.value)||1))base=[…entries]; const pool=[…base],selected=[],wanted=Math.min(pool.length,Math.max(1,Number(winnerCount.value)||1)); for(let i=0;i<wanted;i++){const index=choose(pool);selected.push(pool[index]);pool.splice(index,1);} const segs=segments(),targetIndex=entries.indexOf(selected[0]),middle=(segs[targetIndex].start+segs[targetIndex].end)/2,target=-Math.PI/2-middle,start=angle,delta=((target-start)%(Math.PI*2)+Math.PI*2)%(Math.PI*2)+(5+randomInt(4))*Math.PI*2,ms=Number(duration.value)*1000,startTime=performance.now(); function frame(now){const progress=Math.min(1,(now-startTime)/ms),ease=1-Math.pow(1-progress,3);angle=start+delta*ease;draw();if(progress{if(e.key===’Enter’||e.key===’ ‘){e.preventDefault();startSpin();}}; $(‘.wnx-add-button’).onclick=()=>{const input=$(‘.wnx-new-entry’),value=input.value.trim();if(!value)return;save();entries.push({name:value,weight:1,count:0,last:-999,image:”});input.value=”;render();}; $(‘.wnx-new-entry’).onkeydown=e=>{if(e.key===’Enter’)$(‘.wnx-add-button’).click();}; $(‘.wnx-apply’).onclick=()=>{const values=$(‘.wnx-bulk’).value.split(/n|,/).map(v=>v.trim()).filter(Boolean);if(!values.length)return;save();entries=values.map(name=>({name,weight:1,count:0,last:-999,image:”}));spinNumber=0;render();}; $(‘.wnx-file’).onchange=e=>{const file=e.target.files?.[0];if(!file)return;const reader=new FileReader();reader.onload=()=>{$(‘.wnx-bulk’).value=String(reader.result||”).replace(/,/g,’n’);};reader.readAsText(file);}; $(‘.wnx-shuffle’).onclick=()=>{save();for(let i=entries.length-1;i>0;i–){const j=randomInt(i+1);[entries[i],entries[j]]=[entries[j],entries[i]];}render();}; $(‘.wnx-clear’).onclick=()=>{save();entries=[];spinNumber=0;render();}; $(‘.wnx-undo’).onclick=()=>{if(!undo.length)return;redo.push(snapshot());entries=JSON.parse(undo.pop());render();}; $(‘.wnx-redo’).onclick=()=>{if(!redo.length)return;undo.push(snapshot());entries=JSON.parse(redo.pop());render();}; list.onclick=e=>{const button=e.target.closest(‘[data-act]’);if(!button)return;save();const index=Number(button.dataset.i),action=button.dataset.act;if(action===’remove’)entries.splice(index,1);if(action===’plus’)entries[index].weight++;if(action===’minus’)entries[index].weight=Math.max(1,entries[index].weight-1);render();}; list.onchange=e=>{if(!e.target.matches(‘[data-edit]’))return;save();entries[Number(e.target.dataset.edit)].name=e.target.value.trim()||’Untitled’;render();}; $(‘.wnx-bg-file’).onchange=async e=>{const file=e.target.files?.[0];if(!file)return;try{backgroundImage=await readOptimizedImage(file,1200);$(‘.wnx-bg-status’).textContent=file.name;$(‘.wnx-remove-bg’).disabled=false;draw();}catch(err){$(‘.wnx-bg-status’).textContent=err.message;}}; $(‘.wnx-bg-opacity’).oninput=e=>{backgroundOpacity=Number(e.target.value)/100;draw();}; $(‘.wnx-remove-bg’).onclick=()=>{backgroundImage=”;$(‘.wnx-bg-file’).value=”;$(‘.wnx-bg-status’).textContent=’No image selected’;$(‘.wnx-remove-bg’).disabled=true;draw();}; $(‘.wnx-center-file’).onchange=async e=>{const file=e.target.files?.[0];if(!file)return;try{centerImage=await readOptimizedImage(file,600);$(‘.wnx-center-status’).textContent=file.name;$(‘.wnx-remove-center’).disabled=false;draw();}catch(err){$(‘.wnx-center-status’).textContent=err.message;}}; $(‘.wnx-center-size’).oninput=e=>{centerRadius=Number(e.target.value);draw();}; $(‘.wnx-remove-center’).onclick=()=>{centerImage=”;$(‘.wnx-center-file’).value=”;$(‘.wnx-center-status’).textContent=’No image selected’;$(‘.wnx-remove-center’).disabled=true;draw();}; $(‘.wnx-entry-image-file’).onchange=async e=>{const file=e.target.files?.[0];if(!file)return;try{pendingEntryImage=await readOptimizedImage(file,650);pendingEntryFilename=file.name.replace(/.[^.]+$/,”);const preview=$(‘.wnx-entry-image-preview’);preview.querySelector(‘img’).src=pendingEntryImage;preview.querySelector(‘span’).textContent=file.name;preview.hidden=false;$(‘.wnx-add-image-entry’).disabled=false;}catch(err){result.textContent=err.message;}}; $(‘.wnx-add-image-entry’).onclick=()=>{if(!pendingEntryImage)return;const label=$(‘.wnx-image-entry-name’).value.trim()||pendingEntryFilename||’Image entry’;save();entries.push({name:label,weight:1,count:0,last:-999,image:pendingEntryImage});pendingEntryImage=”;pendingEntryFilename=”;$(‘.wnx-image-entry-name’).value=”;$(‘.wnx-entry-image-file’).value=”;$(‘.wnx-entry-image-preview’).hidden=true;$(‘.wnx-add-image-entry’).disabled=true;render();}; $(‘.wnx-reset-images’).onclick=()=>{backgroundImage=”;centerImage=”;pendingEntryImage=”;entries.forEach(e=>e.image=”);$(‘.wnx-bg-file’).value=”;$(‘.wnx-center-file’).value=”;$(‘.wnx-entry-image-file’).value=”;$(‘.wnx-bg-status’).textContent=’No image selected’;$(‘.wnx-center-status’).textContent=’No image selected’;$(‘.wnx-remove-bg’).disabled=true;$(‘.wnx-remove-center’).disabled=true;$(‘.wnx-add-image-entry’).disabled=true;$(‘.wnx-entry-image-preview’).hidden=true;render();}; duration.oninput=()=>{$(‘.wnx-duration-text’).textContent=duration.value;}; [elimination,accumulation,auto,balance,cooldown].forEach(control=>control.onchange=()=>{updateBadges();updateDashboard();draw();}); $(‘.wnx-smart-reset’).onclick=()=>{entries.forEach(e=>{e.count=0;e.last=-999;});spinNumber=0;lastReceipt=null;$(‘.wnx-receipt-id’).textContent=’No receipt yet’;$(‘.wnx-copy-receipt’).disabled=true;$(‘.wnx-download-receipt’).disabled=true;render();}; $(‘.wnx-hide-panel’).onclick=()=>{const panel=$(‘.wnx-panel’);panel.classList.toggle(‘wnx-hidden’);$(‘.wnx-hide-panel’).textContent=panel.classList.contains(‘wnx-hidden’)?’Show Panel’:’Hide Panel’;}; $(‘.wnx-fullscreen’).onclick=()=>r.requestFullscreen?.(); $(‘.wnx-export’).onclick=()=>{const csv=’entry,weight,count,has_imagen’+entries.map(e=>`”${e.name.replace(/”/g,'””‘)}”,${e.weight},${e.count},${e.image?’yes’:’no’}`).join(‘n’),a=document.createElement(‘a’);a.href=URL.createObjectURL(new Blob([csv],{type:’text/csv’}));a.download=’wheel-entries.csv’;a.click();setTimeout(()=>URL.revokeObjectURL(a.href),1000);}; $(‘.wnx-share’).onclick=async()=>{const url=new URL(location.href);url.searchParams.set(‘wnitems’,entries.map(e=>encodeURIComponent(e.name)+(e.weight>1?’|’+e.weight:”)).join(‘~’));elimination.checked?url.searchParams.set(‘wnremove’,’1′):url.searchParams.delete(‘wnremove’);try{await navigator.clipboard.writeText(url);result.textContent=entries.some(e=>e.image)||backgroundImage||centerImage?’Share link copied. Images stay in this browser session.’:’Share link copied.’;}catch(e){result.textContent=url;}}; $(‘.wnx-copy-receipt’).onclick=async()=>{if(!lastReceipt)return;const text=`${lastReceipt.receiptId}nWinner: ${lastReceipt.result.join(‘, ‘)}nTime: ${lastReceipt.timestamp}nSHA-256: ${lastReceipt.sha256}`;try{await navigator.clipboard.writeText(text);$(‘.wnx-copy-receipt’).textContent=’Copied’;setTimeout(()=>$(‘.wnx-copy-receipt’).textContent=’Copy Receipt’,1200);}catch(e){$(‘.wnx-receipt-id’).textContent=text;}}; $(‘.wnx-download-receipt’).onclick=()=>{if(!lastReceipt)return;const report={receipt:lastReceipt,balanceScore:balanceScore()+’%’,selectionCounts:Object.fromEntries(entries.map(e=>[e.name,e.count]))},a=document.createElement(‘a’);a.href=URL.createObjectURL(new Blob([JSON.stringify(report,null,2)],{type:’application/json’}));a.download=lastReceipt.receiptId+’.json’;a.click();setTimeout(()=>URL.revokeObjectURL(a.href),1000);}; $$(‘.wnx-tab’).forEach(button=>button.onclick=()=>{$$(‘.wnx-tab’).forEach(x=>x.classList.remove(‘is-active’));$$(‘.wnx-pane’).forEach(x=>x.classList.remove(‘is-active’));button.classList.add(‘is-active’);$(`.wnx-pane[data-pane=”${button.dataset.tab}”]`).classList.add(‘is-active’);if(button.dataset.tab===’smart’)updateDashboard();}); palettes.forEach((palette,index)=>{const button=document.createElement(‘button’);button.type=’button’;button.className=’wnx-palette’+(index?”:’ is-active’);button.style.background=`linear-gradient(135deg,${palette.join(‘,’)})`;button.onclick=()=>{colors=palette;$$(‘.wnx-palette’).forEach(x=>x.classList.remove(‘is-active’));button.classList.add(‘is-active’);draw();};$(‘.wnx-palettes’).append(button);}); render(); })();

    What is Student Presentation Order Picker?

    Student Presentation Order Picker is a free browser-based no-repeat presentation-order selector for classes, seminars, project groups, and review sessions. Edit the sample entries, confirm the eligible list, choose the mode that matches the activity, and spin for a visible random result. Confirm attendance, technology needs, approved accommodations, timing, and voluntary swaps before finalizing the visible sequence.

    A transparent order reduces negotiation

    Enter every ready presentation before spinning and show the list to the class. Random order can save time when no academic or accessibility reason requires a planned sequence. The teacher can still place equipment-heavy demonstrations, remote presenters, or supported learners at a suitable time.

    1final roster
    Autoremoval
    Clearnext speaker
    Resetnew session

    Before you spin

    CheckWhy it matters
    Every group is readyThe wheel should contain only presentations that can begin.
    Time limits are knownStudents understand how long they have and when questions occur.
    Exceptions are plannedAccessibility, technology, or safeguarding needs remain more important than random order.

    Education resource: UNESCO education resources.

    Student Presentation Order FAQs

    Can pairs and groups be used?

    Yes. Use a project or group label instead of an individual name.

    Can the next presenter be postponed?

    Yes. Teacher judgment can override the sequence when a practical or support need exists.

    How do I start a second round?

    Press Reset to restore the initial presentation list.