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McREL Standards Activity


New Pen at the Zoo


Purpose:As a result of this activity, students will be able to understand relationship between measures (e.g., between length, perimeter, area).
Related Standard & Benchmarks:
Mathematics
 Standard 4.Understands and applies basic and advanced properties of the concepts of measurement
   Level II [Grade 3-5]
   Benchmark 4. Understands relationships between measures (e.g., between length, perimeter, and area)
Mathematics
 Standard 5.Understands and applies basic and advanced properties of the concepts of geometry
   Level II [Grade 3-5]
   Benchmark 7. Understands how scale in maps and drawings shows relative size and distance
Student Product:A drawing of two designs for the camel pen at the zoo. An explanation of the scale they used and a comparison of the perimeter and area of the two drawings. An answer to the question: Which pen gives the camel the most room?
Material & Resources:Graph paper, straight edge, pencil
Teacher's Note:The students should have previous knowledge of perimeter and area.
Activity
Explain to the students that they have been hired by a zoo to design the new camel pens. The zoo would like to have two different designs to choose from. The zoo already has the material for the fence; they have exactly 200 ft of fence. Each pen design must use all 200 feet of fence but the shape of the pen may vary. Have the students draw two different designs for the camel pens on graph paper. They must explain the scale they used (for example 1 cm = 1 foot). They must also explain in writing how the two designs compare in perimeter and area. Which design gives the camel the most room?