That could mean missing a homework assignment or sporting activity because they weren't ready and then handling the fallout on their own. (chicagoparent.com)
In that way, it is still possible for a student who misses homework but passes all tests to earn a passing grade. (educationworld.com)
Most teachers, myself included, had weeks during which we failed to follow up on missing homework altogether (because of exhaustion or other demands on our time). (ascd.org)