If it is a matter of right answers,as it may be in mathematics or science,give him the answer book. Let him correct his own papers. Why should we teachers waste
time on such routine work? Our job should be to help the child when he tells us that he can't find the way to get the right answer. Let's end all this nonsence of grades,exam,marks. Let us throw them all out,and let the children learn what all educated persons must some day learn,how to measure their own understanding,how to know what they know or do not know.