TASK 15
Playpen Problem
Overview: This problem gives you the chance to: nd dimensions and
areas of rectangles.
Patsy is making a playpen for rabbits in her backyard. The fence around
the play pen will be 20 feet long. Patsy draws diagrams showing how the
fence could be arranged to make ve dierent rectangular playpens for her
rabbits.
A B C D E
Playpen A is 9 feet long and1foot wide. It has an area of 9 square feet.
Playpen B is 8 feet long and 2 feet wide. It has an area of16 square feet.
1. What are the measurements of the other three playpens?
Playpen C is ___________ feet long and ___________ feet wide.
Playpen D is ___________ feet long and ___________ feet wide.
Playpen E is ___________ feet long and ___________ feet wide.
2. The bigger the area of the playpen, the more rabbits it will hold. Find the
areas of playpens C, D and E.
MATHEMATICS PERFORMANCE TASKS 56 Christie Wainwright