<h3>Envelope</h3> <h4>Representation of the number</h4> <p>Drag and drop the paperclips one by one into the envelope. Simply click on the envelope to make reappear the paperclips on the page. They appear in a different color.</p> <p>"Reload" button resets the exercises.</p> <p>Enter the "Edit" mode to :</p> <ul> <li>choose the theme of the App : pad, slate, or none (by default pad),</li> <li>change the number of paperclip(s).</li> </ul> <p>"Display" button comes back to the activity.</p>