IntroductionDuringtheteachingandlearningprocess,teachersoftencheckhowmuchstudentshaveunderstoodthroughwrittenassignments.InthisarticleI’dliketodescribeonemethodofcorrectingstudents’writtenworkbyusingavarietyofsymbolstoindicatewherestudentshavegonewrong,thenaskingstudentstocorrecttheirworkthemselves.
