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Here the slope formula helps students analyze population trends in a local county

Subjects:

Math, Social Studies  

Grades:

9, 10, 11, 12  

 

Title – Slope and Population Trends
By – Susan Garmendia
Primary Subject – Math
Secondary Subjects – Social Studies, Computers / Internet
Grade Level – 9-12

Subject: Math Tech 1 Class Periods: 2

Daily Review:

Prior Learning

Objective

Academic Objectives: The student will

  • Review slope.
  • Use the Internet to research true data.
  • Creatively display the found research by a graph and explain the results to fellow classmates.

Standard(s):

I.A.4, I.A.5, I.B.3, I.C.2, II.B.1, II.B.2, II.B.4

  • Lesson Introduction: The lesson will be introduced by reviewing slope as a rate of change as previously discussed in class.
  • Instructional Process

Activity #1: The teacher will give students a worksheet containing a graph of the population of Manhattan from 1790 to 1980. Students will discuss the trends noticed on the graph.

Notes: Discuss where Manhattan is.

Activity #2: The teacher will talk about the Internet and its purpose for the impending assignment.

Notes: Check for Internet permission.

Activity #3: Students will pick a partner and choose a county in the state of South Carolina ( or any other state) to analyze the population from 1900 to 2000. Students will attempt on their own to locate the population of the counties on the Internet.

Notes: Give students the website in order to find the table of all counties if they cannot find it on their own (example: http://www.ors2.state.sc.us/
population/trends/pop1900.asp)

Activity #4: Students will use the slope formula to determine how the population changed in amount of people for each of the ten decades.

Notes: Make sure students show all of their work and it is labeled.

(Day 2) Activity #5: Students will use markers and computer paper to illustrate the population of the county they chose through a line graph also marking the changes between the decades.

Notes: Give the rubric so students are aware for grading prior to turning in project.

Activity #6: Students will present their findings of the particular county to the class. Once everyone presents, overall discussion will take place discussing any common trends found and reasons as to why they happened.

Notes:

  • Homework: On Day 1, the students will each write the remaining data (or have printed two copies) and complete the assignment of finding the changes between the decades. On Day 2, the students working together will compare answers to ensure accuracy.
  • Closure: The teacher will relate the importance of slope as a rate of change and connect back to linear equations, which have constant slope (single line).
  • Assessment: A rubric will be used to grade the students, which also includes a grade from their individual partner (see attachment).

 

Research Based Practices Used

Cooperative Learning

Technology/Internet

Cross Curricula Lesson [ Subject(s) : Social Studies]

 


 


 

Rubric for Internet — Based Activity

 

 

 

Area

Points Possible

Points Earned

Correct calculations

30

 

Graph

  • Labels
  • Correct points
  • Change marked on graph

 

5
10
10

 

Peer Grade

10

 

Participation/ Presentation

10

 

Total

75

 

 

Total Grade (out of 100):________________

 

 

 


 

 

Chart for Population Change

 

 

Year

Population

(in # of people)

Change
(between the years)
(in # of people)

1900

 

×××××××××××××××

 

1910

 

 

1920

 

 

1930

 

 

1940

 

 

1950

 

 

1960

 

 

1970

 

 

1980

 

 

1990

 

 

2000

 

××××××××××××

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