Letter C Activity and Writing worksheets. Write upper case letter C followed by lower case letter c in the space provided. These writing worksheets will help the child to master the writing strokes of a letter and improve their fine motor skills. An upper case letter uses three lines. 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 C writing, encourage the choild to draw any picture starting with Letter C e.g. Cat, Couch, Carrot or anything else.