High School Mathematics Problems from Alaska
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Sheet
for the Units and Self-Assessment
for Cultural Standards in Practice.
Writing
an Equation:
Fundraiser Choosing a Distributor
James H. Grey
jgrey@northstar.k12.ak.us
MS
Word Download
Standards:
Functions and Relationships.
Performance
Standards:
A4.4.2, A4.3.4, A4.3.5, A4.4.3
Concepts:
Representing relationships between variables by writing,
creating, and solving linear equations, graphing them, and finding
the intersection of the two.
Carnegie
Chapter: Making
and Selling Shirts.
Overview:
Focusing on writing and using the results of a linear equation
and graphing a linear equation.
Fundraiser -
Choosing a Distributor
Problem
Eight
The Junior Class has to choose
between two different distributors who sell the rights to the movies and mail
them to the high school.
Reel2Real sells the
movies for $300 each and charges a once-a-year distribution fee of
$400.
Cheap Cinema sells
the movies for $325 each with no additional fees.
Please answer the
following questions using complete sentences.
- How much would the following
numbers of movies cost using Reel2Real:
- 3
- 15
- 30
- How much would Cheap Cinema
charge for the following number of movies:
- 3
- 15
- 30
- If the Junior Class has $1300
to spend on movies,
- how many could
they get from each company?
- What if they have $6000?
- Complete the following table
that uses information from problems 1 through 3:
- Write the expression for
the cost of getting movies from Reel2Real.
- Write the expression for
the cost of getting movies from Cheap Cinema.
- Using the information from
the table in problem 4, graph the data for the cost of dealing with Reel2Real.
Connect the points.
- Do the same for the cost
of dealing with Cheap Cinema on the same graph.
- Using the graph above, for
what number of movies is the cost of dealing with the two companies the same?
Explain how you came to that conclusion.
- What factors should the Junior
class consider when choosing between the two companies. Why?
Table of
Contents
For the Teacher's Guides, please email Alaska
Native Knowledge Network
Handbook
for Culturally Responsive Science Curriculum by Sidney Stephens
Excerpt: "The information and insights contained in this document will be
of interest to anyone involved in bringing local knowledge to bear in school
curriculum. Drawing upon the efforts of many people over a period of several
years, Sidney Stephens has managed to distill and synthesize the critical ingredients
for making the teaching of science relevant and meaningful in culturally adaptable
ways." |