Warm-up

At your table groups, discuss the images below (click on them to view larger) and how you use the four lenses in your classroom:


 * media type="custom" key="12342434" || media type="custom" key="12342444" ||
 * media type="custom" key="12342454" || media type="custom" key="12342456" ||

Images by dkuropatwa (Darren Kuropatwa), CC licensed on Flickr