video1.0<iframe src="https://www.loom.com/embed/96a0840cfa704f30b3dbb1085f006264" frameborder="0" width="1028" height="771" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>7711028Loomhttps://www.loom.com7711028https://cdn.loom.com/sessions/thumbnails/96a0840cfa704f30b3dbb1085f006264-00001.gif388.53Using the Countdown Timer PowerUp to get students to use the mobile app