Elapsed Time EnrichmentLooking for an elapsed time enrichment for your students? I used this activity with my advanced 4th graders this year and it was a fun way to enrich them that they could complete independently. There are 12 challenging elapsed time questions included in the Google Form. Students can only advance to the next question if they get the question correct, so it is self checking. Each time students complete a question more of a secret picture is revealed. Once they solve all of