 <h3> Train </h3>
<h4>Ascending or descending numbers</h4>
 
<p>The goal is to put the numbers in the correct order by dragging and dropping labels to the right place.</p>

<p>Interactivity does not correct the exercise.</p>
 
<p>"Reload" button generates new labels numbers.</p>
<p>Enter the "Edit" mode to choose :</p>

<ul><li> choose the theme of interactivity : pad, slate or none (by default : pad),</li>
<li>the number of labels (2-6),</li>
<li>magnitude of proposed numbers,</li>
<li>the order to class numbers (ascending or descending).</li></ul>

<p>"Display" button comes back to the activity.</p>