Letter A Writing and Activity Worksheet. Find, and circle Letter A. Write upper case letter A followed by lower case letter a in the space provided. The line at the top is the ‘’headline”, in the middle is "midline” and the bottom is called as the "baseline”. Once child has practiced lower case and upper case Letter A writing, encourage the choild to draw any picture starting with Letter A e.g. Aeroplane, Apple or anything else. Draw any picture starting with Letter A.