Advanced

Tutor model

i62 💰:9.4

i52 💰:7.9

🏆 i67 💰:62.5

i70 💰:125.0

i68 💰:125.0

🏆 i66 💰:75.0

i65 💰:125.0

i63 💰:62.5

i61 💰:75.0

i60 💰:9.4

i60 💰:37.5

i58 💰:62.5

i57 💰:22.5

i57 💰:37.5

i56 💰:45.0

⚡ i55 💰:11.25

i55 💰:37.5

i54 💰:62.5

i52 💰:35.0

i51 💰:37.5

i49 💰:15.0

i49 💰:62.5

i48 💰:11.3

i47 💰:7.5

i44 💰:25.0

i43 💰:37.5

i42 💰:187.5

i40 💰:5.0

i39 💰:100.0

i38 💰:37.5

i37 💰:11.0

i36 💰:187.5

i34 💰:12.5

i33 💰:37.5

i30 💰:1.0

i29 💰:1.5

i28 💰:150.0

i23 💰:20.0

i20 💰:4.0

i18 💰:1.0

i16 💰:25.0

i13 💰:1.5

Keep session private

What would you like to learn?

Override for the tutor's lesson content generation calls. Auto uses the system default (Claude Sonnet 5 for lesson text, Opus 5 for diagrams).

Lesson generation model

System default

i58 💰:18.8

i31 💰:11.0

i25 💰:31.3

Tutoring abilities

Imagine trying to eat soup with a fork or cut a piece of paper with a spoon! You *could* try, but using the wrong tool makes any job frustrating.

Computers are filled with different apps, and picking the right one is just like grabbing the right kitchen tool for your project.

So, what are the three main tools you will use in school, and how do they work?

Most school projects rely on three software types: **word processors**, **spreadsheets**, and **presentation tools**.

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    }

    body {
      background: #f8f9fa;
      color: #1e2945;
      padding: 12px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100%;
    }

    .tools-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      width: 100%;
      max-width: 600px;
    }

    .tool-card {
      background: #ffffff;
      border: 2px solid #e6e6e6;
      border-radius: 12px;
      padding: 10px 8px;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      transition: border-color 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
      user-select: none;
      -webkit-user-select: none;
    }

    .tool-card.active {
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    }

    .tool-card[data-tool="word"].active {
      border-color: #2563eb;
      background: #f8faff;
    }

    .tool-card[data-tool="sheet"].active {
      border-color: #16a34a;
      background: #f7fdf9;
    }

    .tool-card[data-tool="slide"].active {
      border-color: #ea580c;
      background: #fffaf5;
    }

    .tool-badge {
      font-size: 20px;
      line-height: 1;
    }

    .tool-name {
      font-size: 13px;
      font-weight: 700;
      text-align: center;
      line-height: 1.2;
    }

    .preview-canvas {
      width: 100%;
      height: 90px;
      border-radius: 8px;
      background: #f1f5f9;
      border: 1px solid #e2e8f0;
      padding: 6px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      position: relative;
      overflow: hidden;
    }

    /* Word Processor Mockup */
    .doc-page {
      width: 65px;
      height: 78px;
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: 4px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.08);
      padding: 6px 5px;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .doc-title {
      height: 4px;
      width: 55%;
      background: #2563eb;
      border-radius: 2px;
      margin-bottom: 2px;
    }

    .doc-line {
      height: 3px;
      background: #94a3b8;
      border-radius: 1.5px;
      width: 100%;
    }

    .doc-line.short {
      width: 70%;
    }

    /* Spreadsheet Mockup */
    .sheet-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5px;
      background: #cbd5e1;
      border: 1px solid #cbd5e1;
      border-radius: 4px;
      overflow: hidden;
      width: 75px;
    }

    .sheet-cell {
      background: #ffffff;
      height: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .sheet-header {
      background: #16a34a;
    }

    .cell-val {
      height: 3px;
      width: 60%;
      background: #64748b;
      border-radius: 1px;
    }

    .cell-chart {
      grid-column: span 3;
      background: #ffffff;
      height: 24px;
      display: flex;
      align-items: flex-end;
      justify-content: center;
      gap: 4px;
      padding-bottom: 3px;
    }

    .bar {
      width: 8px;
      background: #16a34a;
      border-radius: 2px 2px 0 0;
    }

    /* Presentation Mockup */
    .slide-deck {
      width: 80px;
      height: 52px;
      background: #ffffff;
      border: 1px solid #fed7aa;
      border-radius: 4px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.08);
      padding: 4px;
      display: flex;
      flex-direction: column;
      gap: 3px;
    }

    .slide-head {
      height: 5px;
      width: 45%;
      background: #ea580c;
      border-radius: 2px;
    }

    .slide-body {
      display: flex;
      gap: 4px;
      flex: 1;
    }

    .slide-img {
      flex: 1;
      background: #ffedd5;
      border-radius: 2px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 9px;
    }

    .slide-bullets {
      flex: 1.2;
      display: flex;
      flex-direction: column;
      gap: 3px;
      justify-content: center;
    }

    .slide-bullet {
      height: 2.5px;
      background: #fb923c;
      border-radius: 1px;
    }

    /* Output Tag */
    .output-tag {
      font-size: 11px;
      font-weight: 600;
      padding: 3px 8px;
      border-radius: 12px;
      background: #e2e8f0;
      color: #475569;
      margin-top: 2px;
    }

    .tool-card[data-tool="word"].active .output-tag {
      background: #dbeafe;
      color: #1d4ed8;
    }

    .tool-card[data-tool="sheet"].active .output-tag {
      background: #dcfce7;
      color: #15803d;
    }

    .tool-card[data-tool="slide"].active .output-tag {
      background: #ffedd5;
      color: #c2410c;
    }

    /* Controls */
    .stepper-dots {
      display: flex;
      gap: 6px;
      margin-top: 10px;
    }

    .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #cbd5e1;
      cursor: pointer;
      transition: background-color 0.2s ease;
    }

    .dot.active {
      background: #2563eb;
      width: 18px;
      border-radius: 4px;
    }
  </style>
</head>
<body>

  <div class="tools-grid">
    
    <div class="tool-card active" data-tool="word">
      <div class="tool-badge">📝</div>
      <div class="tool-name">Word<br>Processor</div>
      <div class="preview-canvas">
        <div class="doc-page">
          <div class="doc-title"></div>
          <div class="doc-line"></div>
          <div class="doc-line"></div>
          <div class="doc-line short"></div>
          <div class="doc-line" style="margin-top: 2px;"></div>
          <div class="doc-line short"></div>
        </div>
      </div>
      <div class="output-tag">Paragraphs</div>
    </div>

    
    <div class="tool-card" data-tool="sheet">
      <div class="tool-badge">📊</div>
      <div class="tool-name">Spread-<br>sheet</div>
      <div class="preview-canvas">
        <div class="sheet-grid">
          <div class="sheet-cell sheet-header"></div>
          <div class="sheet-cell sheet-header"></div>
          <div class="sheet-cell sheet-header"></div>
          <div class="sheet-cell"><div class="cell-val"></div></div>
          <div class="sheet-cell"><div class="cell-val"></div></div>
          <div class="sheet-cell"><div class="cell-val"></div></div>
          <div class="sheet-cell cell-chart">
            <div class="bar" style="height: 8px;"></div>
            <div class="bar" style="height: 14px;"></div>
            <div class="bar" style="height: 18px;"></div>
          </div>
        </div>
      </div>
      <div class="output-tag">Data & Math</div>
    </div>

    
    <div class="tool-card" data-tool="slide">
      <div class="tool-badge">🖥️</div>
      <div class="tool-name">Presen-<br>tation</div>
      <div class="preview-canvas">
        <div class="slide-deck">
          <div class="slide-head"></div>
          <div class="slide-body">
            <div class="slide-img">🖼️</div>
            <div class="slide-bullets">
              <div class="slide-bullet"></div>
              <div class="slide-bullet"></div>
              <div class="slide-bullet" style="width: 60%;"></div>
            </div>
          </div>
        </div>
      </div>
      <div class="output-tag">Slides</div>
    </div>
  </div>

  <div class="stepper-dots">
    <div class="dot active"></div>
    <div class="dot"></div>
    <div class="dot"></div>
  </div>

  <script>
    const cards = document.querySelectorAll('.tool-card');
    const dots = document.querySelectorAll('.dot');
    let currentIndex = 0;
    let autoPlayTimer = null;

    function selectTool(index) {
      currentIndex = index;
      cards.forEach((card, i) => {
        card.classList.toggle('active', i === index);
      });
      dots.forEach((dot, i) => {
        dot.classList.toggle('active', i === index);
      });
    }

    cards.forEach((card, index) => {
      card.addEventListener('click', () => {
        clearInterval(autoPlayTimer);
        selectTool(index);
        startAutoPlay();
      });
    });

    dots.forEach((dot, index) => {
      dot.addEventListener('click', () => {
        clearInterval(autoPlayTimer);
        selectTool(index);
        startAutoPlay();
      });
    });

    function startAutoPlay() {
      autoPlayTimer = setInterval(() => {
        const next = (currentIndex + 1) % cards.length;
        selectTool(next);
      }, 3500);
    }

    startAutoPlay();
  </script>
</body>
</html>

When your teacher gives you an assignment with lots of sentences and paragraphs, which tool should you reach for?

## Word Processors: For Typing and Reading

A **word processor** (such as **Google Docs** or **Microsoft Word**) is designed for creating, editing, and formatting continuous text-based documents like essays and reports.

Choose a word processor whenever your main goal is for someone to **read** a report, an essay, a letter, or a creative story.

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <title>Word Processor Tasks</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      background: transparent;
      color: #1e2945;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100%;
      padding: 12px;
      gap: 14px;
    }
    .task-selector {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
      width: 100%;
      max-width: 420px;
    }
    .task-btn {
      background: #f8f9fa;
      border: 1px solid #e2e8f0;
      padding: 8px 14px;
      border-radius: 20px;
      font-size: 14px;
      font-weight: 600;
      color: #6b7280;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 6px;
      transition: all 0.2s ease;
      box-shadow: 0 1px 2px rgba(0,0,0,0.03);
    }
    .task-btn.active {
      background: #22b7ff;
      color: #ffffff;
      border-color: #22b7ff;
      box-shadow: 0 2px 8px rgba(34, 183, 255, 0.35);
    }
    .doc-stage {
      position: relative;
      width: 100%;
      max-width: 320px;
      height: 250px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 10px;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
      padding: 20px 24px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      overflow: hidden;
    }
    .toolbar-mock {
      display: flex;
      gap: 6px;
      padding-bottom: 8px;
      border-bottom: 1px solid #f1f5f9;
    }
    .tool-pill {
      height: 8px;
      border-radius: 4px;
      background: #e2e8f0;
    }
    .doc-content {
      position: absolute;
      top: 48px;
      left: 24px;
      right: 24px;
      bottom: 16px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.25s ease, transform 0.25s ease;
      transform: translateY(4px);
    }
    .doc-content.active {
      opacity: 1;
      pointer-events: auto;
      transform: translateY(0);
    }
    .doc-title {
      height: 14px;
      border-radius: 4px;
      background: #22b7ff;
      margin-bottom: 4px;
    }
    .line {
      height: 8px;
      border-radius: 4px;
      background: #e2e8f0;
      width: 100%;
    }
    .line.short { width: 45%; }
    .line.medium { width: 75%; }
    .line.accent { background: #93c5fd; }
    .badge-goal {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 700;
      color: #0284c7;
      background: #e0f2fe;
      padding: 6px 14px;
      border-radius: 12px;
      letter-spacing: 0.2px;
    }
  </style>
</head>
<body>

  <div class="task-selector">
    <button class="task-btn active" data-target="0">📖 Story</button>
    <button class="task-btn" data-target="1">📄 Report</button>
    <button class="task-btn" data-target="2">✉️ Letter</button>
    <button class="task-btn" data-target="3">📝 Essay</button>
  </div>

  <div class="doc-stage">
    <div class="toolbar-mock">
      <div class="tool-pill" style="width: 24px; background: #22b7ff;"></div>
      <div class="tool-pill" style="width: 14px;"></div>
      <div class="tool-pill" style="width: 14px;"></div>
      <div class="tool-pill" style="width: 14px;"></div>
      <div class="tool-pill" style="width: 32px; margin-left: auto;"></div>
    </div>

    
    <div class="doc-content active" id="view-0">
      <div class="doc-title" style="width: 50%;"></div>
      <div class="line medium"></div>
      <div class="line"></div>
      <div class="line short"></div>
      <div style="height: 4px;"></div>
      <div class="line medium"></div>
      <div class="line"></div>
      <div class="line short"></div>
    </div>

    
    <div class="doc-content" id="view-1">
      <div class="doc-title" style="width: 70%;"></div>
      <div class="line short accent"></div>
      <div class="line"></div>
      <div class="line"></div>
      <div class="line medium"></div>
      <div style="height: 2px;"></div>
      <div class="line short accent"></div>
      <div class="line"></div>
      <div class="line short"></div>
    </div>

    
    <div class="doc-content" id="view-2">
      <div class="line short" style="margin-left: auto; width: 30%;"></div>
      <div class="doc-title" style="width: 35%; margin-top: 4px;"></div>
      <div class="line"></div>
      <div class="line"></div>
      <div class="line medium"></div>
      <div style="height: 8px;"></div>
      <div class="line short" style="width: 25%;"></div>
      <div class="line short accent" style="width: 40%;"></div>
    </div>

    
    <div class="doc-content" id="view-3">
      <div class="doc-title" style="width: 60%; margin: 0 auto 6px auto;"></div>
      <div class="line" style="text-indent: 16px;"></div>
      <div class="line"></div>
      <div class="line medium"></div>
      <div style="height: 4px;"></div>
      <div class="line"></div>
      <div class="line"></div>
      <div class="line short"></div>
    </div>
  </div>

  <div class="badge-goal">
    <span>👁️</span> Goal: Read Written Text
  </div>

  <script src="{{VENDOR_CDN}}/classace-diagram.js"></script>
  <script>
    const buttons = $$('.task-btn');
    const views = $$('.doc-content');

    function showTask(idx) {
      buttons.forEach((b, i) => b.classList.toggle('active', i === idx));
      views.forEach((v, i) => v.classList.toggle('active', i === idx));
    }

    buttons.forEach((btn, idx) => {
      onTap(btn, () => {
        showTask(idx);
      });
    });
  </script>
</body>
</html>

What if your assignment isn't about writing stories, but about organizing money, measurements, or scores?

## Spreadsheets: For Numbers and Calculations

A **spreadsheet** (such as **Google Sheets** or **Microsoft Excel**) organizes data into a grid of rows and columns, where each individual box is a **cell**.

Spreadsheets perform calculations automatically using formulas (such as calculating a total with $=SUM(A1:A5)$) and can generate visual charts from your data.

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background: #f8f9fa;
      color: #1e2945;
      padding: 12px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100%;
    }
    .layout {
      width: 100%;
      max-width: 580px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .presets {
      display: flex;
      justify-content: center;
      gap: 8px;
    }
    .preset-btn {
      background: #ffffff;
      border: 1px solid #d1d5db;
      border-radius: 8px;
      padding: 6px 14px;
      font-size: 14px;
      font-weight: 600;
      color: #374151;
      cursor: pointer;
      box-shadow: 0 1px 2px rgba(0,0,0,0.05);
      transition: background 0.2s, color 0.2s, box-shadow 0.2s;
    }
    .preset-btn.active {
      background: #10b981;
      border-color: #10b981;
      color: #ffffff;
    }
    .split-view {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    @media (max-width: 460px) {
      .split-view {
        grid-template-columns: 1fr;
      }
    }
    .sheet-card, .chart-card {
      background: #ffffff;
      border-radius: 12px;
      border: 1px solid #e5e7eb;
      padding: 12px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    table {
      width: 100%;
      border-collapse: collapse;
      font-size: 14px;
    }
    th, td {
      border: 1px solid #e5e7eb;
      padding: 6px 8px;
      text-align: center;
    }
    th {
      background: #f3f4f6;
      font-size: 12px;
      color: #6b7280;
    }
    .row-head {
      background: #f3f4f6;
      font-size: 12px;
      color: #6b7280;
      width: 24px;
    }
    .cell-val {
      font-weight: 600;
      color: #111827;
      background: #fafafa;
    }
    .sum-row {
      background: #ecfdf5;
      font-weight: bold;
      color: #065f46;
    }
    .formula-tag {
      font-family: monospace;
      font-size: 12px;
      color: #059669;
      margin-top: 6px;
      text-align: center;
      background: #f0fdf4;
      padding: 4px;
      border-radius: 6px;
      border: 1px dashed #a7f3d0;
    }
    .chart-container {
      display: flex;
      align-items: flex-end;
      justify-content: space-around;
      height: 140px;
      padding-top: 16px;
      border-bottom: 2px solid #e5e7eb;
    }
    .bar-col {
      display: flex;
      flex-direction: column;
      align-items: center;
      height: 100%;
      justify-content: flex-end;
      width: 28%;
    }
    .bar {
      width: 100%;
      background: #10b981;
      border-radius: 6px 6px 0 0;
      transition: height 0.4s ease;
      display: flex;
      align-items: flex-start;
      justify-content: center;
      padding-top: 4px;
      color: #ffffff;
      font-size: 13px;
      font-weight: bold;
    }
    .bar-col:nth-child(1) .bar { background: #3b82f6; }
    .bar-col:nth-child(2) .bar { background: #f59e0b; }
    .bar-col:nth-child(3) .bar { background: #10b981; }
    .bar-lbl {
      margin-top: 6px;
      font-size: 16px;
    }
  </style>
</head>
<body>
  <div class="layout">
    <div class="presets">
      <button class="preset-btn active" onclick="setPreset(0)">🍎 Fruit</button>
      <button class="preset-btn" onclick="setPreset(1)">⭐ Stars</button>
      <button class="preset-btn" onclick="setPreset(2)">⚽ Sports</button>
    </div>

    <div class="split-view">
      
      <div class="sheet-card">
        <table>
          <thead>
            <tr>
              <th class="row-head"></th>
              <th>A</th>
              <th>B</th>
            </tr>
          </thead>
          <tbody>
            <tr>
              <td class="row-head">1</td>
              <td id="lbl-1">🍎</td>
              <td class="cell-val" id="val-1">5</td>
            </tr>
            <tr>
              <td class="row-head">2</td>
              <td id="lbl-2">🍌</td>
              <td class="cell-val" id="val-2">8</td>
            </tr>
            <tr>
              <td class="row-head">3</td>
              <td id="lbl-3">🍊</td>
              <td class="cell-val" id="val-3">3</td>
            </tr>
            <tr class="sum-row">
              <td class="row-head">4</td>
              <td>Total</td>
              <td id="total-val">16</td>
            </tr>
          </tbody>
        </table>
        <div class="formula-tag">=SUM(B1:B3)</div>
      </div>

      
      <div class="chart-card">
        <div class="chart-container">
          <div class="bar-col">
            <div class="bar" id="bar-1" style="height: 50%;">5</div>
            <div class="bar-lbl" id="chart-lbl-1">🍎</div>
          </div>
          <div class="bar-col">
            <div class="bar" id="bar-2" style="height: 80%;">8</div>
            <div class="bar-lbl" id="chart-lbl-2">🍌</div>
          </div>
          <div class="bar-col">
            <div class="bar" id="bar-3" style="height: 30%;">3</div>
            <div class="bar-lbl" id="chart-lbl-3">🍊</div>
          </div>
        </div>
      </div>
    </div>
  </div>

  <script>
    const dataPresets = [
      { items: ['🍎', '🍌', '🍊'], values: [5, 8, 3] },
      { items: ['⭐', '🌟', '✨'], values: [7, 4, 9] },
      { items: ['⚽', '🏀', '⚾'], values: [6, 6, 2] }
    ];

    function setPreset(index) {
      const btns = document.querySelectorAll('.preset-btn');
      btns.forEach((btn, i) => {
        btn.classList.toggle('active', i === index);
      });

      const d = dataPresets[index];
      const maxVal = 10;

      for (let i = 0; i < 3; i++) {
        document.getElementById(`lbl-${i + 1}`).textContent = d.items[i];
        document.getElementById(`chart-lbl-${i + 1}`).textContent = d.items[i];
        document.getElementById(`val-${i + 1}`).textContent = d.values[i];

        const bar = document.getElementById(`bar-${i + 1}`);
        bar.textContent = d.values[i];
        bar.style.height = `${(d.values[i] / maxVal) * 100}%`;
      }

      const total = d.values.reduce((a, b) => a + b, 0);
      document.getElementById('total-val').textContent = total;
    }

    setPreset(0);
  </script>
</body>
</html>

What if you need to stand up in front of the classroom and teach your friends about volcanoes?

## Presentation Tools: For Showing an Audience

A **presentation tool** (such as **Google Slides** or Microsoft PowerPoint) organizes ideas across individual **slides** using bullet points, large fonts, and multimedia.

Slides are built to support a speaker, giving the audience quick visual clues instead of giant blocks of tiny text.

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="aspect-ratio" content="4:3">
<title>Choosing the Right App</title>
<style>
  * { box-sizing: border-box; margin: 0; padding: 0; }
  body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: transparent;
    color: #1e2945;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 12px;
    user-select: none;
    -webkit-user-select: none;
  }

  .main-wrapper {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .task-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    width: 100%;
  }

  .task-btn {
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 10px 4px;
    font-size: 14px;
    font-weight: 600;
    color: #4b5563;
    cursor: pointer;
    text-align: center;
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  }

  .task-btn .emoji {
    font-size: 24px;
    line-height: 1;
  }

  .task-btn.active {
    border-color: #f59e0b;
    color: #b45309;
    background: #fffbeb;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.15);
  }

  .stage {
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid #e5e7eb;
    height: 230px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.03);
  }

  .view-panel {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    padding: 16px;
  }

  .view-panel.active {
    opacity: 1;
    visibility: visible;
  }

  .badge {
    position: absolute;
    top: 12px;
    font-size: 13px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    background: #f3f4f6;
    color: #374151;
  }

  .badge-docs { color: #2563eb; background: #eff6ff; }
  .badge-slides { color: #d97706; background: #fffbeb; }
  .badge-sheets { color: #16a34a; background: #f0fdf4; }

  /* Docs UI Graphic */
  .doc-sheet {
    width: 140px;
    height: 140px;
    background: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 20px;
  }
  .doc-line-title {
    height: 8px;
    width: 60%;
    background: #2563eb;
    border-radius: 4px;
  }
  .doc-line {
    height: 5px;
    width: 100%;
    background: #e5e7eb;
    border-radius: 3px;
  }

  /* Slides UI Graphic */
  .slide-canvas {
    width: 190px;
    height: 120px;
    background: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    padding: 12px;
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 20px;
  }
  .slide-img-box {
    width: 70px;
    height: 70px;
    background: #fffbeb;
    border: 1.5px dashed #f59e0b;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
  }
  .slide-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .slide-title-bar {
    height: 8px;
    width: 80%;
    background: #f59e0b;
    border-radius: 4px;
  }
  .slide-bullet {
    height: 4px;
    background: #cbd5e1;
    border-radius: 2px;
    width: 100%;
  }

  /* Sheets UI Graphic */
  .grid-table {
    width: 170px;
    height: 125px;
    background: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(4, 1fr);
    gap: 1px;
    background-color: #e5e7eb;
    padding: 1px;
    margin-top: 20px;
  }
  .grid-cell {
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-family: monospace;
    color: #4b5563;
    font-weight: 500;
  }
  .grid-header {
    background: #f0fdf4;
    color: #16a34a;
    font-weight: 700;
    font-size: 10px;
  }
  .grid-cell.highlight {
    background: #dcfce7;
    color: #15803d;
    font-weight: 700;
  }

  .arrow-indicator {
    position: absolute;
    bottom: 8px;
    font-size: 11px;
    color: #9ca3af;
    font-weight: 500;
  }
</style>
</head>
<body>

<div class="main-wrapper">
  <div class="task-nav">
    <button class="task-btn active" onclick="setApp(0)">
      <span class="emoji">📝</span>
      <span>Essay</span>
    </button>
    <button class="task-btn" onclick="setApp(1)">
      <span class="emoji">🗣️</span>
      <span>Speech</span>
    </button>
    <button class="task-btn" onclick="setApp(2)">
      <span class="emoji">📊</span>
      <span>Numbers</span>
    </button>
  </div>

  <div class="stage">
    
    <div class="view-panel active" id="view-0">
      <div class="badge badge-docs">Docs</div>
      <div class="doc-sheet">
        <div class="doc-line-title"></div>
        <div class="doc-line"></div>
        <div class="doc-line"></div>
        <div class="doc-line" style="width: 80%;"></div>
        <div class="doc-line"></div>
        <div class="doc-line" style="width: 60%;"></div>
      </div>
    </div>

    
    <div class="view-panel" id="view-1">
      <div class="badge badge-slides">Slides</div>
      <div class="slide-canvas">
        <div class="slide-img-box">🖼️</div>
        <div class="slide-content">
          <div class="slide-title-bar"></div>
          <div class="slide-bullet" style="width: 90%;"></div>
          <div class="slide-bullet" style="width: 75%;"></div>
          <div class="slide-bullet" style="width: 60%;"></div>
        </div>
      </div>
    </div>

    
    <div class="view-panel" id="view-2">
      <div class="badge badge-sheets">Sheets</div>
      <div class="grid-table">
        <div class="grid-cell grid-header">A</div>
        <div class="grid-cell grid-header">B</div>
        <div class="grid-cell grid-header">C</div>
        
        <div class="grid-cell">12</div>
        <div class="grid-cell">45</div>
        <div class="grid-cell highlight">57</div>

        <div class="grid-cell">30</div>
        <div class="grid-cell">20</div>
        <div class="grid-cell highlight">50</div>

        <div class="grid-cell">15</div>
        <div class="grid-cell">85</div>
        <div class="grid-cell highlight">100</div>
      </div>
    </div>
  </div>
</div>

<script>
  let currentIndex = 0;
  const buttons = document.querySelectorAll('.task-btn');
  const panels = [
    document.getElementById('view-0'),
    document.getElementById('view-1'),
    document.getElementById('view-2')
  ];

  function setApp(index) {
    currentIndex = index;
    buttons.forEach((btn, i) => {
      btn.classList.toggle('active', i === index);
    });
    panels.forEach((panel, i) => {
      panel.classList.toggle('active', i === index);
    });
  }

  let timer = setInterval(() => {
    setApp((currentIndex + 1) % 3);
  }, 3500);

  buttons.forEach(btn => {
    btn.addEventListener('click', () => {
      clearInterval(timer);
    });
  });
</script>

</body>
</html>

How can you decide in two seconds which app is perfect for your homework?

Ask yourself: **What is the main output of this task?** Is it full paragraphs, calculated numbers, or a visual talk?

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    }

    body {
      background: #ffffff;
      color: #1e2945;
      padding: 12px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100%;
      user-select: none;
    }

    .nav-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 8px;
      width: 100%;
      max-width: 480px;
      margin-bottom: 16px;
    }

    .nav-btn {
      background: #f8fafc;
      border: 2px solid #e2e8f0;
      border-radius: 10px;
      padding: 10px 4px;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 4px;
      font-size: 13px;
      font-weight: 600;
      color: #64748b;
      transition: all 0.2s ease;
      outline: none;
    }

    .nav-btn .emoji {
      font-size: 20px;
    }

    .nav-btn.active {
      background: #f0f9ff;
      border-color: #0284c7;
      color: #0369a1;
      box-shadow: 0 2px 8px rgba(2, 132, 199, 0.15);
    }

    .stage-container {
      position: relative;
      width: 100%;
      max-width: 480px;
      height: 230px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 14px;
      overflow: hidden;
    }

    .panel {
      position: absolute;
      inset: 0;
      padding: 16px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.25s ease, transform 0.25s ease;
      transform: translateY(6px);
    }

    .panel.active {
      opacity: 1;
      pointer-events: auto;
      transform: translateY(0);
    }

    .match-row {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      width: 100%;
    }

    .preview-card {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: 8px;
      box-shadow: 0 2px 4px rgba(0,0,0,0.04);
      display: flex;
      flex-direction: column;
    }

    /* Document preview */
    .doc-preview {
      width: 120px;
      height: 140px;
      padding: 12px 10px;
      gap: 6px;
    }

    .line {
      height: 4px;
      background: #cbd5e1;
      border-radius: 2px;
      width: 100%;
    }

    .line.short { width: 65%; }
    .line.accent { background: #3b82f6; width: 45%; height: 6px; margin-bottom: 4px; }

    /* Spreadsheet preview */
    .sheet-preview {
      width: 150px;
      height: 140px;
      padding: 8px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      grid-template-rows: repeat(4, 1fr);
      gap: 3px;
      background: #ffffff;
    }

    .cell {
      background: #f1f5f9;
      border-radius: 2px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      font-weight: 700;
      color: #475569;
    }

    .cell.header {
      background: #dcfce7;
      color: #166534;
    }

    /* Slide preview */
    .slide-preview {
      width: 170px;
      height: 120px;
      padding: 10px;
      gap: 8px;
      border: 2px solid #cbd5e1;
    }

    .slide-header {
      height: 8px;
      width: 60%;
      background: #f97316;
      border-radius: 4px;
    }

    .slide-body {
      display: flex;
      gap: 8px;
      height: 100%;
    }

    .slide-box {
      flex: 1;
      background: #ffedd5;
      border-radius: 4px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
    }

    .slide-bullets {
      flex: 1.2;
      display: flex;
      flex-direction: column;
      justify-content: space-around;
      padding: 2px 0;
    }

    .bullet-row {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .bullet-dot {
      width: 4px;
      height: 4px;
      background: #ea580c;
      border-radius: 50%;
    }

    .bullet-line {
      height: 3px;
      background: #cbd5e1;
      border-radius: 2px;
      flex: 1;
    }

    .app-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 14px;
      font-weight: 700;
      letter-spacing: 0.2px;
    }

    .badge-blue { background: #dbeafe; color: #1d4ed8; }
    .badge-green { background: #dcfce7; color: #15803d; }
    .badge-orange { background: #ffedd5; color: #c2410c; }
  </style>
</head>
<body>

  <div class="nav-grid">
    <button class="nav-btn active" onclick="showTab(0)">
      <span class="emoji">📄</span>
      <span>Paragraphs</span>
    </button>
    <button class="nav-btn" onclick="showTab(1)">
      <span class="emoji">🔢</span>
      <span>Numbers</span>
    </button>
    <button class="nav-btn" onclick="showTab(2)">
      <span class="emoji">📽️</span>
      <span>Visual Talk</span>
    </button>
  </div>

  <div class="stage-container">
    
    <div class="panel active" id="panel-0">
      <div class="match-row">
        <div class="preview-card doc-preview">
          <div class="line accent"></div>
          <div class="line"></div>
          <div class="line"></div>
          <div class="line short"></div>
          <div class="line"></div>
          <div class="line"></div>
          <div class="line short"></div>
        </div>
      </div>
      <div class="app-badge badge-blue">
        <span>Word Processor</span>
      </div>
    </div>

    
    <div class="panel" id="panel-1">
      <div class="match-row">
        <div class="preview-card sheet-preview">
          <div class="cell header">A</div>
          <div class="cell header">B</div>
          <div class="cell header">Total</div>
          <div class="cell">12</div>
          <div class="cell">8</div>
          <div class="cell">20</div>
          <div class="cell">15</div>
          <div class="cell">5</div>
          <div class="cell">20</div>
          <div class="cell">9</div>
          <div class="cell">7</div>
          <div class="cell">16</div>
        </div>
      </div>
      <div class="app-badge badge-green">
        <span>Spreadsheet</span>
      </div>
    </div>

    
    <div class="panel" id="panel-2">
      <div class="match-row">
        <div class="preview-card slide-preview">
          <div class="slide-header"></div>
          <div class="slide-body">
            <div class="slide-box">✦</div>
            <div class="slide-bullets">
              <div class="bullet-row"><span class="bullet-dot"></span><span class="bullet-line"></span></div>
              <div class="bullet-row"><span class="bullet-dot"></span><span class="bullet-line"></span></div>
              <div class="bullet-row"><span class="bullet-dot"></span><span class="bullet-line"></span></div>
            </div>
          </div>
        </div>
      </div>
      <div class="app-badge badge-orange">
        <span>Presentation Slides</span>
      </div>
    </div>
  </div>

  <script>
    function showTab(index) {
      const buttons = document.querySelectorAll('.nav-btn');
      const panels = document.querySelectorAll('.panel');

      buttons.forEach((btn, i) => {
        btn.classList.toggle('active', i === index);
      });

      panels.forEach((panel, i) => {
        panel.classList.toggle('active', i === index);
      });
    }
  </script>
</body>
</html>

A common mistake is pasting an entire 500-word essay onto a single presentation slide. Slides get crowded fast, so always keep long essays in a word processor!

Next time you open your computer, take five seconds to ask: *Am I typing a story, crunching numbers, or presenting to a crowd?*

- A **word processor** (e.g., Google Docs, Microsoft Word) is primarily designed for creating, editing, and formatting continuous text-based documents such as essays, letters, book reports, and poems.

- A **spreadsheet** (e.g., Google Sheets, Microsoft Excel) organizes numerical data, text, and categories into a grid of rows and columns (cells) to perform calculations using formulas (such as calculating a total using $=SUM(A1:A5)$) and generate charts.

- A **presentation tool** (e.g., Google Slides, Microsoft PowerPoint) is built for public speaking and visual storytelling by organizing ideas across individual slides using bullet points, large fonts, images, and multimedia.

- Selecting the right tool depends on three core criteria: the **primary format of the content** (paragraphs vs. numbers/tables vs. visual slides), the **primary purpose** (in-depth reading vs. data calculation vs. live sharing), and the **intended audience**.

- Although each tool has overlapping features (such as typing text or inserting images), each application has unique 'superpowers': word processors optimize flowing page layouts and text styling, spreadsheets automate math calculations and data organization, and presentation tools simplify projected visual communication.

technology

Choosing the Right App for the Task. Compare and contrast word processors, spreadsheets, and presentation tools to pick the right one for an assigned task.

Applied Digital Skills: Choose the Right Tool for the Job (Elementary)

BBC Bitesize Primary Computing: Introducing Digital Applications & Tools

Digital Citizenship & Productivity Software Decision Guide for Elementary Learners

When teaching TEKS 126.8(b)(11)(A) to 3rd graders, use the 'Toolbox Metaphor' (e.g., a hammer, wrench, and screwdriver each have a specific job, just like Docs, Sheets, and Slides). Emphasize hands-on inquiry by providing students with 5–6 mixed classroom scenarios on cards and having them physically sort or drag-and-drop the tasks into the three software categories based on Content, Audience, and Goal.

Choosing the Right App for the Task

The Big Three Digital Tools

Word Processors: For Typing and Reading

Spreadsheets: For Numbers and Calculations