How do I add a row to a table? How do I add a column to a table?

Select your row by moving your cursor in front of a row and clicking to select the row. Then choose Table/Row/Insert Row Above.
Select your column by moving your cursor over the top of a column and clicking to select the column. Then choose Table/Column/Insert Column to the Left.
For more details, see the Tables section in the SoftChalk Create Guide.