Instructions:

1. Before starting the video, solve 159 ÷ 13 using mental math. Consider strategies that match both a quotative (grouping) and a partitive (dealing) division structure.
   
2. As you watch the fifth grade students, pause the video after each student shares and answer the questions below:

• Shannon’s method: Why might someone approach a division problem this way? Is Shannon’s method based on groups of thirteen or thirteen groups?
• Thomas’ method: Is Thomas’s method based on groups of thirteen or thirteen groups? What connections do you see between Thomas’s explanation and the standard algorithm for division?
• Kevin’s method: What connections do you see between Kevin’s method and the other two students?

If you are taking the course for credit, submit your work below.