Dr. Judith M. Newman

Writing Patterns in Expository Text

Problem / Statement

The problem / statement pattern is most often found in a mathematics or science textbook. The structure is used to outline the details of a problem.


Sally is having a party. The first time the doorbell rings, one person enters. If on each successive ring a group enters that has two more persons than the group that entered on the previous ring, how many people enter on the sixth ring? How about the ‘n’th ring?

Signpost Words: first, each successive, how many...