Mia will use one of these boards for the length of the shelter. She knows she wants

the length of the shelter to measure 3.25 feet. She will use a different board for the
width of the shelter. The width of the shelter will be shorter than the length.

To clarify, Mia will use one board to represent the length of the shelter, which will measure 3.25 feet. She will use a separate board to represent the width of the shelter, which will be shorter than the length.