69d447f4-c7ce-4b8d-b0d1-44328308beea.html

<h4>Warm Up Activity</h4>
<p>Here is a rule for making a list of numbers: <em>Each number is 1 less than twice the previous number.</em></p>
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<div class="os-raise-ib-input" data-button-text="Solution" data-content-id="28ece937-320c-4f5e-b740-de3bfb9caa0b" data-fire-event="eventShow" data-schema-version="1.0">
  <div class="os-raise-ib-input-content">
    <p>Pick a number to start with. Then follow the rule to build a list of 5 numbers.</p>
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  <div class="os-raise-ib-input-prompt">
    <p>Enter your answer here:</p>
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  <div class="os-raise-ib-input-ack">
    <p>Compare your answer:</p>
    <ul>
      <li> 2, 3, 5, 9, 17 </li>
      <li> 5, 9, 17, 33, 65 </li>
      <li> 1, 1, 1, 1, 1 </li>
    </ul>
  </div>
</div>
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