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Bernie’s Field at Schroeder Stadium
(Download as Microsoft Word Document: Instructional Plan)
You are
helping to build the new baseball field at Schroeder Stadium. Your goal is to calculate how much sod you
will need for all the grassy areas of the playing field.
Given Facts:
·
Base cutouts have a radius of 5 feet. (Dirt area)
·
Home cutout has a radius of 8 feet. (Dirt area)
·
Pitcher’s mound has a diameter of 16 feet. (Dirt area)
Read the questions and consider Diagram 1
carefully. Use the properties of
geometric figures to answer each of the following questions. Give answers to 3 decimal places.
Part I: Finding
the Areas
1. Determine
the surface area of the combined dirt regions. Explain how you arrived at your
answer.
2. Find the
amount of sod needed in the infield. Explain
how you arrived at your answer.
3. Find the
amount of sod needed for the outfield. Explain
how you arrived at your answer.
Part II: Find
How Much Sod You Need to Order
The sod company suggests that you need
to allow for a 7% waste when determining the amount of sod you need. What would be the minimum amount of sod that
you need to order to include this waste factor?
Show all computations below.
Part III: Covering First
The pitching rubber is 60 feet 6 inches
from home plate. How far must the
pitcher run to get to first base?
(Hint: the pitching rubber is not
in the center of the diamond.) Explain
how you arrived at your answer, including a diagram.
Part IV: Probability
Assume that when the batter hits the
ball, it lands randomly in the field of play.
Showing all work, determine the probability of:
a) The ball
landing in left field.
b) The ball
landing in the dirt region.
c) The ball not
landing in the infield.
Extensions:
1. Using the
internet, find out the cost of sod in your area and determine the total cost
(including tax and delivery charges) for the sod needed for Schroeder’s
Stadium. Please cite your internet
sites.
2. Now consider
Diagram 2. Assume that you have 100,000
square feet of sod and will have no waste.
Keep the infield the same as the original diagram. You are trying to create the largest outfield
possible. What is the maximum distance
from home plate that you could place a new fence if the fence was an arc of a
circle? (Hint: You will be finding the radius of a circle.)
Diagram 1
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Diagram 2


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Mathematics Governor’s Institute 2006
Names of group members: John Bradica, Rodney Hart, Carol Wengerd, Eugene Wengerd, Craig Yoder
Topic/Theme: Areas, Probabilities
Level: Geometry
Time Element: 45 minutes
NCTM Standards Addressed: Geometry and Measurement
PA Math Standards Addressed: Geometry and Measurement
Math Assessment Anchors Addressed: M11.C.1.1, M11.C.1.2, M11.C.1.4, M11.B.2, M11.D.2.1.3
Objectives: Student will be able to:
1.) identify and/or use parts of circles and segments associated
with circles .
2.) recognize and/or apply properties of angles, triangles and
quadrilaterals.
3.) solve problems involving right triangles using the Pythagorean
Theorem.
4.) apply appropriate techniques, tools and formulas to determine
measurements.
5.) write, solve and/or apply a linear equation (including problem
situations).
Instructional Strategies and Plan: The teacher will introduce the problem to the students, hand out a diagram of the problem and let them ‘wrestle’ with the mathematics involved, providing support when necessary.
Materials/Resources: scientific or graphing calculator, paper and pencil
Assessment Strategies: Formative—teacher observation
Summative—collect student work
Correctives/Remediation: The teacher will check each aspect of the students’ work to determine the area of difficulty and discuss with them the changes that need to be made.
Extensions/Enrichment: The student will be provided with variations on the problem and suggestions for research on the internet.
Special Accommodations: A certain student is visually impaired, total loss of vision in one eye and diminished vision in the other. We will be enlarging the diagram and the questions thus giving the student more room to do his work.
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