Decisions like these must depend on the interpretation of what is math. The equations are definitely math. This looks like a workbook for a young reader (before 4th grade) so, much of what is on this page will be drawn. If you intend to consider the graphics (bread slices and dots) as part of the math, then put the opening indicator following "sentences." on the same line and the terminator following the omission boxes in problem 2. Then you would do the same thing after the next set of instructions. Putting the indicator at the end of the line of the instructions allows you to have the identifiers (1, 2, etc) at the margin.
I will end with your statement -- If you have any suggestions, I am happy for any advice you can give.