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Math 163: Calculus III

Winter 2023

Contents [Top]

Discussion Seminars  [Top Contents]

         Slack 0: Understanding the Tech

Overview: The purpose of this assignment is to make sure that you know how to access the tech in this class.

Instructions: Answer the following and upload your results as a pdf into Gradescope (check your email for an invite to Gradescope).  Include the questions on your document

1.) General Questions: Name (and what you want to be called), major, and how many quarters have you attended Highline
2.) Life questions: Are you and your family safe (COVID/health)? Are you stable economically? How are you feeling about the racial unrest in America?  How (if at all) are you impacted by the war in Ukraine (or other wars/conflicts)?
3.) Class/school: What (if anything) is the best/worst part about returning to face-to-face college? What (if anything) may I do as your instructor to support you at this time?
4.) Accessing the apps/web used in this class
        a.) Canvas: What is the class image?
        b.) WebAssign: How many questions are in assignment, "12.1: 3D Coordinates"
        c.) Dusty's Webpage:
                - What stickers are on page two of the completed workalong for 12.1 of the class website? 
                - How many completed workalongs are linked on the class website?
                - How many minutes long is the 12.1 video? 
        d.) YouTube: Dusty is not (yet) a famous YouTuber.  Which of the video on his channel has the most views?
        e.) Slack: There are four channels we will use on Slack. 
                - General: This is where I will make announcements and you should ask general questions about the class (i.e., What sections are on the Assessment?)
                - Homework: This is where you will post questions and answers to homework questions
                - Study groups: This is where you can post about upcoming study groups.  Please share where and when you most often study math.
                - Random: You can post about club meetings, off campus gatherings, and fun stuff.
        f.) Gradescope: Upload your responses as a pdf into Gradescope under assignment "Slack 0"

Discussion Seminar I: Letters from Previous Students

Overview: The purpose of this assignment is to help you get the most from this class by having you reflect upon what former students have shared.

Instructions: Please read three letters from past students.  Use your observations of the letters and reflections upon your own skills and ablities as a mathematician to answer the following.  Include the questions on your document and bring a physical (paper) copy to class.

0.) What is your name?  In general, do you like to hear your name spoken?  (Dale Carnegie said: "Remember that a person's name is to that person, the sweetest and most important sound in any language.")
1.) Please read (at least) three letters from my former students. Please choose letters randomly using a random number generator.
2.) What is one similarily you have with these students ... one difference
3.) What are two habits they indicate will help you be successful?
4.) What are two questions/concerns that the letters address?
5.) Having read the letters, you now have a sense for how this class may foster broader math skills. What mathematical skills and abilities would you like to develop this quarter? If you need somewhere to start, here is an article on 10 skills and abilities that math students develop. 

Discussion Seminar II: Justice

Overview: The purpose of this assignment is to reflect on how the virtue "Justice" relates to mathematics, the study of math, and math classrooms (including this one). 

Instructions: Please read the chapter on Justice (here) from Francis Su's book Mathematics for Human Flourishing. Then answer the discussion questions below in writing. Include the questions on your document and bring a physical (paper) copy to class.

Note: It is around 15 pages long, but should be very readable.  Some math topics are referenced that you may not be familiar with.  That is okay and not required to answering the questions.  For more information on the book, a review is here and the Francis' talk that inspired the book is here.

0.) What is your name? Do you have a story to share about meeting someone with your same name?  (If so, go for it!  If not, that is okay too).
1.) If people have realized that the way we teach math needs to change, why hasn't it changed yet?  Who benefits from keeping it the same way it has always been?  Explain.
2.) All of us unwittingly harbor bias, so how can we mitigate bias in mathematical spaces?  Who is harmed by bias in mathematical spaces, and why?
3.) What inequities do you notice in mathematical spaces?  Who is harmed by those inequities?  Think deeper than the obvious answers.
4.) What can be done to make this class more equitable?  What can you do? we do? the teacher do?

Discussion Seminar III: Plato's Allegory of the Cave

Overview: In understanding the world, some basic philosophical concepts are important.  One of these is Plato's Allegory of the cave.  Here is a video outling the allegory and then you can read the full work here.  Note: The most famous film based upon the Allegory is The Matrix.

Instructions: Please read Plato's Allegory of the Cave and watch this TED ed video.  Then answer the following.  Include the questions on your document and bring a physical (paper) copy to class.

0.) What is your name? What is something you thought you understood, but were wrong?
1.) In the context of mathematics, who is the prisoner who escapes the cave? Explain.
2.) Interpreting the allegory as a mathematician, what are examples of the shadows inside the cave? What are the ideal objects outside the cave?
3.) How can we free ourselves as mathematicians and scientists to see the real world? Explain.
4.) How do/can we know that we are the ones who are truly free?

Discussion Seminar IV: History of Calculus

Overview: The Calculus we learn today has some similarities and many differences to early calculus.  The purpose of this assignment is to better understand the history of the derivative (including its connection to limits).

Instructions: Please read The Changing Concept of Change: The Derivative from Fermat to Weierstrass by Judith Grabiner.  This is a little long and some more technical sections of the article have been marked and you may skip them if so inclined.  As you read, please answer the following.  Include the questions on your document and bring a physical (paper) copy to class.

0.) What is your name? What is a holiday that coincides with your birthday?  (My birthday is on the Independence Day of the Dominican Republic).
1.) What are the three things Newton and Leibniz did that were enough for them to be credited with inventing calculus?
2.) According to Dr. Grabiner (the author), what is the difference between the stages of discovery and invention?
3.) What did Newton seem to have in mind by the word, "limit."
4.) Why were eighteenth-century mathematicians more accustomed to computing than thinking?
5.) Who invented the delta-epsilon definition for the limit?  Is this something you have seen before?  If so, what did/do you think of it?
6.) How many years after Newton/Leibniz did it take for calculus to be considered a rigourous subject? 
7.) How does the history of calculus differ from the order in which calculus is introduced in math classes?  How do you think the current method is good/bad?

Discussion Seminar V: The Seven Baby Steps

Overview: We had a brief discussion about Dave Ramsey's Seven Baby Steps to financial success.

Discussion Seminar VI: Where Math Comes From?

Overview: This assignment asks you to take on one of the great mysteries of mathematics.  Have you ever wondered where math comes from?  Is mathematics discovered or invented?  At a simple level, this comes down to two facts that are in tension.  First, every mathematician we have ever heard of is human.  On the other hand, there is something that is seemingly transcendent about math: Why do pi, e, and the golden ratio keep appearing in our work and in nature?  Phrased another way, why aren't there citations in a math book?

Instructions: Please watch these short videos (Where Math Comes From? (video and video)) and then answer the following.

0.) What is your name?  How many of your family members have attended College and how (if at all) does this influence you?
1.) Why might some mathematicians believe math is invented?
2.) Why might other mathematicians believe math is discovered?
3.) Do you believe math is invented or discovered?  Why?
4.) How confident are you in your response?

Discussion Seminar VII: Divergent Series and the Loss of Certainty

Overview: While Power Series may be the "Swiss Army Knife" of function families, they have an Achilles heel.  They do not converge (work) everywhere and these trouble spots have caused confusion and questions in some of the most amazing mathematicians of the ages. 

Instructions: Please read Divergent Series and the Loss of Certainty.  Then answer the following.  Include the questions on your document and bring a physical (paper) copy to class.

0.) What is your name?  What is an ethical choice you have faced since the start of the pandemic?
1.) What was the original intent behind the creation/discovery of infinite series?
2.) What misunderstanding(s) led to the belief that 1/2 = 1+1-1+1-1+ ...?
3.) What did mathematicians do to fill in holes created by their vagueness and lack of proof?

Discussion Seminar VIII: Letter to a Future Student

Overview: This week you have a chance to reflect, direct, and encourage a future student. 

Instructions: Please write a 1+ page letter to my future students.  Include the parts listed below, but you do NOT need to include these headings ... I mean, this is supposed to be a letter so make it look like one:-).

1.) Introduce yourself, what you are majoring in, and a bit about your background.
2.) What were some of the challenges you faced this quarter (personally or as a student) and how did you make it through?
3.) What advice do you have for being successful in a class taught by Dusty?
4.) What are the good parts of the flipped class model?  What made it challenging for you?
5
.) Please end your letter with something to encourage the reader.