<!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 {
      width: 100%;
      min-height: 100%;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: #1e2945;
      background: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 16px 12px;
    }

    .main-wrap {
      width: 100%;
      max-width: 620px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 16px;
    }

    .svg-container {
      width: 100%;
      position: relative;
    }

    svg {
      width: 100%;
      height: auto;
      display: block;
      overflow: visible;
    }

    /* Chain styling */
    .badge-bg {
      fill: #ffffff;
      stroke: #e6e6e6;
      stroke-width: 2.5;
      transition: all 0.3s ease;
    }

    .badge-dashed {
      fill: #f8fafc;
      stroke: #94a3b8;
      stroke-width: 2.5;
      stroke-dasharray: 6 5;
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .badge-revealed {
      fill: #eff6ff;
      stroke: #3b82f6;
      stroke-width: 2.5;
      stroke-dasharray: none;
    }

    .badge-num {
      font-size: 20px;
      font-weight: 700;
      fill: #1e2945;
      text-anchor: middle;
      dominant-baseline: central;
      user-select: none;
      transition: fill 0.3s ease;
    }

    .badge-qmark {
      font-size: 20px;
      font-weight: 700;
      fill: #64748b;
      text-anchor: middle;
      dominant-baseline: central;
      user-select: none;
    }

    .arrow-path {
      fill: none;
      stroke: #10b981;
      stroke-width: 2;
      stroke-linecap: round;
    }

    .rule-pill-bg {
      fill: #10b981;
      rx: 10;
      ry: 10;
    }

    .rule-pill-text {
      fill: #ffffff;
      font-size: 12px;
      font-weight: 700;
      text-anchor: middle;
      dominant-baseline: central;
      user-select: none;
    }

    /* Computation Cards */
    .cards-row {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      width: 100%;
    }

    .calc-card {
      flex: 1 1 180px;
      max-width: 240px;
      background: #ffffff;
      border: 1.5px solid #e6e6e6;
      border-radius: 12px;
      padding: 10px 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 17px;
      font-weight: 700;
      color: #1e2945;
      transition: all 0.3s ease;
      cursor: pointer;
      user-select: none;
    }

    .calc-card:hover {
      box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    }

    .calc-card.active {
      border-color: #3b82f6;
      background: #eff6ff;
      color: #1d4ed8;
      box-shadow: 0 2px 8px rgba(59, 130, 246, 0.15);
    }

    .calc-card .step-tag {
      font-size: 11px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: #10b981;
      background: #ecfdf5;
      border: 1px solid #a7f3d0;
      border-radius: 6px;
      padding: 2px 6px;
    }

    /* Controls */
    .btn-row {
      display: flex;
      gap: 10px;
    }

    .ctrl-btn {
      background: #f8fafc;
      border: 1.5px solid #e2e8f0;
      border-radius: 8px;
      padding: 8px 16px;
      font-size: 14px;
      font-weight: 600;
      color: #1e2945;
      cursor: pointer;
      transition: background 0.2s, border-color 0.2s;
    }

    .ctrl-btn:hover {
      background: #edf2f7;
      border-color: #cbd5e1;
    }
  </style>
</head>
<body>

  <div class="main-wrap">
    <div class="svg-container">
      <svg viewBox="0 0 600 130" xmlns="http://www.w3.org/2000/svg">
        <defs>
          
          <marker id="arrow" viewBox="0 0 10 10" refX="6" refY="5" markerWidth="6" markerHeight="6" orient="auto-start-reverse">
            <path d="M 0 1.5 L 8 5 L 0 8.5 z" fill="#10b981"/>
          </marker>
        </defs>

        
        <path class="arrow-path" d="M 68 62 C 78 30, 112 30, 122 62" marker-end="url(#arrow)" />
        <rect class="rule-pill-bg" x="80" y="24" width="30" height="18" />
        <text class="rule-pill-text" x="95" y="33">+6</text>

        
        <path class="arrow-path" d="M 168 62 C 178 30, 212 30, 222 62" marker-end="url(#arrow)" />
        <rect class="rule-pill-bg" x="180" y="24" width="30" height="18" />
        <text class="rule-pill-text" x="195" y="33">+6</text>

        
        <path class="arrow-path" d="M 268 62 C 278 30, 312 30, 322 62" marker-end="url(#arrow)" />
        <rect class="rule-pill-bg" x="280" y="24" width="30" height="18" />
        <text class="rule-pill-text" x="295" y="33">+6</text>

        
        <path class="arrow-path" d="M 368 62 C 378 30, 412 30, 422 62" marker-end="url(#arrow)" />
        <rect class="rule-pill-bg" x="380" y="24" width="30" height="18" />
        <text class="rule-pill-text" x="395" y="33">+6</text>

        
        <path class="arrow-path" d="M 468 62 C 478 30, 512 30, 522 62" marker-end="url(#arrow)" />
        <rect class="rule-pill-bg" x="480" y="24" width="30" height="18" />
        <text class="rule-pill-text" x="495" y="33">+6</text>

        
        
        <circle class="badge-bg" cx="45" cy="85" r="23" />
        <text class="badge-num" x="45" y="85">8</text>

        
        <circle class="badge-bg" cx="145" cy="85" r="23" />
        <text class="badge-num" x="145" y="85">14</text>

        
        <circle class="badge-bg" cx="245" cy="85" r="23" />
        <text class="badge-num" x="245" y="85">20</text>

        
        <circle class="badge-bg" cx="345" cy="85" r="23" />
        <text class="badge-num" x="345" y="85">26</text>

        
        <g id="badge5" onclick="reveal(1)" style="cursor: pointer;">
          <circle id="circle5" class="badge-dashed" cx="445" cy="85" r="23" />
          <text id="text5" class="badge-qmark" x="445" y="85">?</text>
        </g>

        
        <g id="badge6" onclick="reveal(2)" style="cursor: pointer;">
          <circle id="circle6" class="badge-dashed" cx="545" cy="85" r="23" />
          <text id="text6" class="badge-qmark" x="545" y="85">?</text>
        </g>
      </svg>
    </div>

    
    <div class="cards-row">
      <div id="card1" class="calc-card" onclick="reveal(1)">
        <span class="step-tag">+6</span>
        <span>26 + 6 = 32</span>
      </div>
      <div id="card2" class="calc-card" onclick="reveal(2)">
        <span class="step-tag">+6</span>
        <span>32 + 6 = 38</span>
      </div>
    </div>

    
    <div class="btn-row">
      <button class="ctrl-btn" onclick="toggleAll()">Reveal Next ✦</button>
      <button class="ctrl-btn" onclick="reset()">Reset</button>
    </div>
  </div>

  <script>
    let step = 0;

    function updateView() {
      const c5 = document.getElementById('circle5');
      const t5 = document.getElementById('text5');
      const c6 = document.getElementById('circle6');
      const t6 = document.getElementById('text6');
      const card1 = document.getElementById('card1');
      const card2 = document.getElementById('card2');

      if (step >= 1) {
        c5.className.baseVal = 'badge-revealed';
        t5.textContent = '32';
        t5.className.baseVal = 'badge-num';
        card1.classList.add('active');
      } else {
        c5.className.baseVal = 'badge-dashed';
        t5.textContent = '?';
        t5.className.baseVal = 'badge-qmark';
        card1.classList.remove('active');
      }

      if (step >= 2) {
        c6.className.baseVal = 'badge-revealed';
        t6.textContent = '38';
        t6.className.baseVal = 'badge-num';
        card2.classList.add('active');
      } else {
        c6.className.baseVal = 'badge-dashed';
        t6.textContent = '?';
        t6.className.baseVal = 'badge-qmark';
        card2.classList.remove('active');
      }
    }

    function reveal(target) {
      step = target;
      updateView();
    }

    function toggleAll() {
      step = (step >= 2) ? 0 : step + 1;
      updateView();
    }

    function reset() {
      step = 0;
      updateView();
    }
  </script>
</body>
</html>

Generating and Extending Arithmetic Patterns

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Number Pattern: Subtract 7</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background: #f8fafc;
      color: #1e293b;
      padding: 12px 10px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100vh;
      box-sizing: border-box;
    }
    .main-container {
      width: 100%;
      max-width: 350px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
    }
    .rule-pill {
      font-size: 13px;
      font-weight: 700;
      color: #e11d48;
      background: #ffe4e6;
      border: 1px solid #fecdd3;
      padding: 4px 14px;
      border-radius: 20px;
      display: inline-flex;
      align-items: center;
      gap: 5px;
      letter-spacing: 0.2px;
    }
    .staircase-wrap {
      width: 100%;
      position: relative;
      padding: 4px 0 2px 0;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .step-row {
      display: flex;
      align-items: center;
      position: relative;
      height: 38px;
      transition: all 0.25s ease;
    }
    .step-card {
      width: 52px;
      height: 36px;
      background: #ffffff;
      border: 2px solid #cbd5e1;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 17px;
      font-weight: 700;
      color: #0f172a;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
      transition: all 0.25s ease;
      cursor: pointer;
      user-select: none;
      z-index: 2;
      flex-shrink: 0;
    }
    .step-card:active {
      opacity: 0.85;
    }
    .step-row.active .step-card {
      border-color: #f43f5e;
      background: #fff1f2;
      color: #e11d48;
      box-shadow: 0 0 0 3px rgba(244, 63, 94, 0.2);
    }
    .step-card.unknown {
      border-style: dashed;
      border-color: #94a3b8;
      color: #94a3b8;
      background: #f1f5f9;
    }
    .step-card.solved {
      border-style: solid;
      border-color: #059669;
      background: #ecfdf5;
      color: #047857;
      box-shadow: 0 1px 4px rgba(5, 150, 105, 0.15);
    }
    .step-row.active .step-card.solved {
      border-color: #059669;
      box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.25);
    }
    .calc-tag {
      margin-left: 8px;
      padding: 3px 8px;
      background: #ffffff;
      border: 1.5px solid #a7f3d0;
      border-radius: 6px;
      font-size: 12px;
      font-weight: 700;
      color: #065f46;
      opacity: 0;
      transform: translateX(-4px);
      transition: all 0.25s ease;
      white-space: nowrap;
      pointer-events: none;
      box-shadow: 0 1px 2px rgba(0,0,0,0.04);
    }
    .step-row.revealed .calc-tag {
      opacity: 1;
      transform: translateX(0);
    }
    .jump-arrow {
      position: absolute;
      top: 27px;
      height: 20px;
      display: flex;
      align-items: center;
      gap: 2px;
      font-size: 11px;
      font-weight: 800;
      color: #e11d48;
      z-index: 1;
      pointer-events: none;
    }
    .jump-arrow svg {
      width: 18px;
      height: 18px;
      stroke: #f43f5e;
      fill: none;
      stroke-width: 2.5;
      stroke-linecap: round;
      stroke-linejoin: round;
    }
    .badge {
      background: #ffe4e6;
      border: 1px solid #fecdd3;
      padding: 0 4px;
      border-radius: 4px;
      line-height: 1.2;
      font-size: 10.5px;
    }
    .info-box {
      font-size: 12.5px;
      color: #475569;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 6px;
      padding: 6px 10px;
      text-align: center;
      width: 100%;
      min-height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 1px 2px rgba(0,0,0,0.03);
    }
    .info-box strong {
      color: #0f172a;
      margin: 0 2px;
    }
    .controls {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      width: 100%;
      margin-top: 2px;
    }
    .btn {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      color: #1e293b;
      padding: 6px 12px;
      border-radius: 6px;
      font-size: 12.5px;
      font-weight: 600;
      cursor: pointer;
      transition: background 0.15s, border-color 0.15s;
      user-select: none;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    .btn:hover {
      background: #f1f5f9;
      border-color: #94a3b8;
    }
    .btn:active {
      background: #e2e8f0;
    }
    .btn-primary {
      background: #e11d48;
      border-color: #e11d48;
      color: #ffffff;
    }
    .btn-primary:hover {
      background: #be123c;
      border-color: #be123c;
    }
    .btn-primary:active {
      background: #9f1239;
    }
  </style>
</head>
<body>

  <div class="main-container">
    <div class="rule-pill">
      <span>Rule:</span>
      <span>Subtract 7 (−7)</span>
    </div>

    <div class="staircase-wrap">
      
      <div class="step-row active" id="row-0" style="padding-left: 6px;">
        <div class="step-card" id="card-0">50</div>
        <div class="jump-arrow" style="left: 32px;">
          <svg viewBox="0 0 24 24"><path d="M 4,2 Q 4,14 16,16 L 12,12 M 16,16 L 12,20" /></svg>
          <span class="badge">−7</span>
        </div>
      </div>

      
      <div class="step-row" id="row-1" style="padding-left: 34px;">
        <div class="step-card" id="card-1">43</div>
        <div class="jump-arrow" style="left: 60px;">
          <svg viewBox="0 0 24 24"><path d="M 4,2 Q 4,14 16,16 L 12,12 M 16,16 L 12,20" /></svg>
          <span class="badge">−7</span>
        </div>
      </div>

      
      <div class="step-row" id="row-2" style="padding-left: 62px;">
        <div class="step-card" id="card-2">36</div>
        <div class="jump-arrow" style="left: 88px;">
          <svg viewBox="0 0 24 24"><path d="M 4,2 Q 4,14 16,16 L 12,12 M 16,16 L 12,20" /></svg>
          <span class="badge">−7</span>
        </div>
      </div>

      
      <div class="step-row" id="row-3" style="padding-left: 90px;">
        <div class="step-card" id="card-3">29</div>
        <div class="jump-arrow" style="left: 116px;">
          <svg viewBox="0 0 24 24"><path d="M 4,2 Q 4,14 16,16 L 12,12 M 16,16 L 12,20" /></svg>
          <span class="badge">−7</span>
        </div>
      </div>

      
      <div class="step-row" id="row-4" style="padding-left: 118px;">
        <div class="step-card unknown" id="card-4">?</div>
        <div class="calc-tag" id="calc-4">29 − 7 = 22</div>
        <div class="jump-arrow" style="left: 144px;">
          <svg viewBox="0 0 24 24"><path d="M 4,2 Q 4,14 16,16 L 12,12 M 16,16 L 12,20" /></svg>
          <span class="badge">−7</span>
        </div>
      </div>

      
      <div class="step-row" id="row-5" style="padding-left: 146px;">
        <div class="step-card unknown" id="card-5">?</div>
        <div class="calc-tag" id="calc-5">22 − 7 = 15</div>
      </div>
    </div>

    <div class="info-box" id="infoText">
      Tap <strong>Step ▶</strong> or any card to find missing terms.
    </div>

    <div class="controls">
      <button class="btn" id="prevBtn">◀ Prev</button>
      <button class="btn btn-primary" id="playBtn">Play ▶</button>
      <button class="btn" id="nextBtn">Next ▶</button>
    </div>
  </div>

  <script>
    const $ = (selector) => document.querySelector(selector);

    function onTap(element, handler) {
      if (!element) return;
      element.addEventListener('click', handler);
    }

    const explanations = [
      "Starting value is <strong>50</strong>.",
      "50 − 7 = <strong>43</strong> (step down 7)",
      "43 − 7 = <strong>36</strong> (step down 7)",
      "36 − 7 = <strong>29</strong> (step down 7)",
      "Calculate 5th term: <strong>29 − 7 = 22</strong>",
      "Calculate 6th term: <strong>22 − 7 = 15</strong>"
    ];

    let currentStep = 4;
    let autoPlaying = false;
    let timer = null;

    function render(idx) {
      currentStep = idx;

      for (let i = 0; i < 6; i++) {
        const row = $(`#row-${i}`);
        const card = $(`#card-${i}`);
        
        if (row) {
          row.classList.toggle('active', i === currentStep);
        }

        if (i === 4 && card) {
          if (idx >= 4) {
            card.textContent = '22';
            card.className = 'step-card solved';
            row.classList.add('revealed');
          } else {
            card.textContent = '?';
            card.className = 'step-card unknown';
            row.classList.remove('revealed');
          }
        }

        if (i === 5 && card) {
          if (idx >= 5) {
            card.textContent = '15';
            card.className = 'step-card solved';
            row.classList.add('revealed');
          } else {
            card.textContent = '?';
            card.className = 'step-card unknown';
            row.classList.remove('revealed');
          }
        }
      }

      const infoText = $('#infoText');
      if (infoText && explanations[currentStep]) {
        infoText.innerHTML = explanations[currentStep];
      }
    }

    function next() {
      const nextIdx = (currentStep + 1) % 6;
      render(nextIdx);
    }

    function prev() {
      const prevIdx = (currentStep - 1 + 6) % 6;
      render(prevIdx);
    }

    function togglePlay() {
      autoPlaying = !autoPlaying;
      const playBtn = $('#playBtn');
      if (playBtn) {
        playBtn.textContent = autoPlaying ? 'Pause ⏸' : 'Play ▶';
      }
      if (autoPlaying) {
        timer = setInterval(() => {
          next();
        }, 1600);
      } else {
        clearInterval(timer);
      }
    }

    onTap($('#nextBtn'), () => {
      if (autoPlaying) togglePlay();
      next();
    });

    onTap($('#prevBtn'), () => {
      if (autoPlaying) togglePlay();
      prev();
    });

    onTap($('#playBtn'), togglePlay);

    for (let i = 0; i < 6; i++) {
      const cardEl = $(`#card-${i}`);
      if (cardEl) {
        onTap(cardEl, () => {
          if (autoPlaying) togglePlay();
          render(i);
        });
      }
    }

    // Initial render showing calculation step
    render(4);
  </script>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background: #fdfbf7;
      color: #1e2945;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      padding: 10px 12px 14px;
      user-select: none;
      min-height: 100vh;
    }

    .diagram-svg {
      width: 100%;
      max-width: 540px;
      height: auto;
      display: block;
    }

    .step-btn-group {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
      margin-top: 8px;
    }

    .step-btn {
      background: #ffffff;
      border: 1.5px solid #cbd5e1;
      border-radius: 20px;
      padding: 6px 14px;
      font-size: 13px;
      font-weight: 600;
      color: #475569;
      cursor: pointer;
      box-shadow: 0 1px 2px rgba(0,0,0,0.04);
      transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
    }

    .step-btn:hover {
      background: #f8fafc;
      border-color: #94a3b8;
    }

    .step-btn.active {
      background: #2563eb;
      border-color: #2563eb;
      color: #ffffff;
      box-shadow: 0 2px 6px rgba(37,99,235,0.25);
    }

    .step-col, .arrow-group {
      transition: opacity 0.3s ease;
    }

    .faded {
      opacity: 0.22;
    }

    .highlight-glow {
      filter: drop-shadow(0 0 3px rgba(249, 115, 22, 0.45));
    }
  </style>
</head>
<body>

  <svg class="diagram-svg" viewBox="0 0 540 348" xmlns="http://www.w3.org/2000/svg">
    <defs>
      
      <marker id="arrow" viewBox="0 0 10 10" refX="6" refY="5" markerWidth="6" markerHeight="6" orient="auto-start-reverse">
        <path d="M 1 2 L 7 5 L 1 8 z" fill="#2563eb" />
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Finding 10 More and 10 Less Than a Three-Digit Number

Finding 100 More and 100 Less Than a Three-Digit Number

Counting Forwards and Backwards in Fifties to 1,000

Counting Forwards and Backwards in Hundreds to 1,000

Counting in Multiples of 4 from Zero

Counting in Multiples of 8 from Zero

Estimating Quantities and Positions up to 1,000

Solving Missing Number Sequence Problems to 1,000

Solving Real-World Three-Digit Number Problems

math

Number Sequences, Multiples and Estimation to 1,000

Input-Output Tables: Finding the Rule

Representing Real-World Relationships in Tables

Arithmetic Patterns in Addition and Multiplication

Properties of Operations: Commutative and Associative

Balancing Equations with Multiplication and Division

Patterns, Tables, and Properties of Operations

Generating and Extending Geometric Patterns

Exploring Patterns in Multiplication Tables

Input-Output Tables with Multiplication Rules

Input-Output Tables with Division Rules

Input-Output Tables with Two-Step Rules

Representing Patterns as Ordered Number Pairs

Formulating Verbal Rules and Step-by-Step Algorithms

Number Patterns and Input-Output Rules

Connecting Position Numbers to Values in a Sequence

Identifying Patterns in Generated Number Sets

Following Number Generation Algorithms

Creating Number Algorithms Step by Step

Algorithms with Decisions About Numbers

Investigating Multiples with Algorithms

Investigating Odd and Even with Algorithms

Creating and Following Number Algorithms

Describing Emerging Patterns from Algorithms

Predicting the Next Output in Algorithms

Creating Algorithms to Sort Numbers

Testing and Debugging Number Algorithms

Exploring Number Patterns with Digital Tools

Investigating Patterns in Number Algorithms

Klasyfikacja obiektów według cech

Rytm w otoczeniu – regularności i wzorce

Zbieranie danych – ankieta w klasie

Tabele – odczytywanie danych

Tabele – tworzenie

Wykres słupkowy – odczytywanie

Wykres słupkowy – tworzenie

Wykres obrazkowy – pictogramy

Diagram kołowy – odczytywanie

Sprawdzenie – dane i wykresy

Dane, tabele i wykresy

Multiplication as Comparison: 'Times As Much'

Writing Multiplicative Comparison Equations

Multiplicative Comparison Word Problems

Finding the Unknown Factor in Multiplication Equations

Finding the Unknown Number in Division Equations

Balancing Multiplication and Division Equations

Describing Number Pair Relationships with Words

Finding and Extending Patterns in Real-World Tables

Multiplicative Comparisons, Unknowns, and Patterns in Tables

Patrones aditivos crecientes y decrecientes en secuencias numéricas

Patrones multiplicativos y duplicación en secuencias numéricas

Patrones geométricos de crecimiento: figuras y arreglos espaciales

Organización de patrones en tablas de entrada y salida

Formulación de reglas verbales para el término general de una secuencia

Predicción de términos lejanos en secuencias sin dibujar todos los pasos

Descripción e interpretación de variaciones en gráficos de líneas

Comparación de ritmos de crecimiento en gráficas: rápido vs. lento

Asociación entre historias reales, tablas y gráficos de cambio

Resolución de acertijos y desafíos con patrones complejos

Patrones, secuencias y variación

Concepto de igualdad como equilibrio en la balanza

Construcción de igualdades numéricas con operaciones combinadas

Resolución de ecuaciones con incógnitas en cuadros o letras

Construcción e interpretación de desigualdades: mayor y menor que

Resolución de desafíos de desigualdades y rangos admisibles

Relaciones de dependencia entre cantidades: variable dependiente e independiente

Dependencia temporal en fenómenos económicos: ahorro y presupuesto

Dependencia temporal en ciencias naturales: crecimiento de plantas y temperatura

OGM.4.OA.7

Aligned learning resources

Related diagrams