Difference between revisions of "Cedars Math"

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==Links to various things==
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*[https://cedars.moodlehub.com/course/view.php?id=50 Moodlehub], the Cedars software. 
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* An online Python compiler that can import the matplotlib module is at https://colab.research.google.com/  . Colab doesn't require building matplotlib like online-python does. It does require that you start by clicking on +NewNotebook, the button in full blue.   
  
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*The Zoom address is [https://us04web.zoom.us/j/4850284384?pwd=1i9MBgKH1r8 https://us04web.zoom.us/j/4850284384?pwd=1i9MBgKH1r8 ]
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Python can also be run at https://www.online-python.com/ . Codabrainy has gone bad, so I advise not using it.  
  
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* An online Python compiler that can import the matplotlib module is at [https://www.codabrainy.com/en/python-compiler/  codabrainy.com.]
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*Zoom, [https://bit.ly/3IWyiPf here], 1U9ygu.
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* An online  Latex math typesetting compiler is at [https://www.tutorialspoint.com/online_latex_editor.php https://www.tutorialspoint.com/online_latex_editor.php].
 
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*The Zooming Scratch Paper Page is at [https://docs.google.com/drawings/d/1mfuy8BLaIAYxYBG9tvY25upqMSbBfTxQo6BU49ix8HU/edit https://docs.google.com/drawings/d/1mfuy8BLaIAYxYBG9tvY25upqMSbBfTxQo6BU49ix8HU/edit].
 
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[[Cedars Math:Handouts Handouts]] and [[Cedars Math: Words]]
 
  
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==Handouts==
 
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*[http://www.rasmusen.org/special/Cedars_School/03.01a_How_to_Multiply_5_by_15_handout.pdf  "How to Solve It: Ways to Compute 5x15"]
 
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*The "All Odd Numbers Are Prime"  [https://www.rasmusen.org/rasmapedia/index.php?title=Jokes#All_Odd_Numbers_Are_Prime joke] 
 
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*[http://www.rasmusen.org/special/Cedars_School/Odd_number_script--14Students.pdf  joke script]
 
  
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*[http://www.rasmusen.org/special/Cedars_School/02_04b_hw_Plotting_Functions.pdf HW 2.4b supplement: Plotting Functions with Python]
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==Sessions, using the 2026-2027 Chicago book==
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===1: Numbers ===
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*[https://www.rasmusen.org/special/Cedars_School/1.1_ordinals.pdf Cardinal and Ordinal Numbers ]
  
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*I've written up [http://www.rasmusen.org/special/Cedars_School/02_04b_handout_python_divisibility.pdf    a handout of  some Python code for testing divisibility] by 2,3,5, and 7.   
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*[https://www.rasmusen.org/special/Cedars_School/1.5_Python_decimal.pdf Python Computer Coding]  
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*  The [http://www.rasmusen.org/special/Cedars_School/Polya_python_Connell.pdf   Python code] by Professor Connell to test the Polya Conjecture.
 
  
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*[http://www.rasmusen.org/special/Cedars_School/02_08b_ Prime_Proof_handout.pdf Handout] on Euclid's proof, ]  
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*[https://www.rasmusen.org/special/Cedars_School/1.9_Python_Plotting.pdf This Code Will Plot Some Formulas]
  
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*[http://www.rasmusen.org/special/Cedars_School/02_08b_Writing_letters_and_Emails.pdf Handout] on writing emails
 
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*[http://www.rasmusen.org/special/Cedars_School/03.01a_How_to_Multiply_5_by_15_handout.pdf  "How to Solve It: Ways to Compute 5x15"]
 
  
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*[http://www.rasmusen.org/special/Cedars_School/03.01a_HW_Test_Two_Studying.pdf  "Homework: Things to Study"]
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*[https://ericrasmusen.substack.com/p/proving-irrational-numbers-exist Proving Irrational Numbers Exist], Substack.
  
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*[http://www.rasmusen.org/special/Cedars_School/03.01b_Python_LaTeX_handout.pdf  Handout: "Notes on LaTeX"]
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*[https://ericrasmusen.substack.com/p/paradoxes-in-statistics-the-elders Paradoxes in Statistics: The Elders of Zion], Substack.
  
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*[http://www.rasmusen.org/special/Cedars_School/03.01b_Anaconda_Python_handout.pdf  Handout: "Notes on Installing Anaconda Python"]
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===2: Variables===
  
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*[http://www.rasmusen.org/special/Cedars_School/03.03_Adding_fractions.pdf  "Handout: Adding Fractions"].
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===3:===
  
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*[http://www.rasmusen.org/special/Cedars_School/03.03_All_Numbers_Are_interesting.pdf Handout: "All Numbers Are Interesting" joke].
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*[https://ericrasmusen.substack.com/p/pi-day-friday-pi-part-i Pi Day Friday: Pi Part I] and [https://ericrasmusen.substack.com/p/equations-code-and-salvador-dali Part II,] Substack.
  
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*[http://www.rasmusen.org/special/Cedars_School/03.03_Latex_rotating_symbols.pdf Handout: Rotating Symbols in Latex, and How to Find A Computer Command You Don't Know].
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*[https://ericrasmusen.substack.com/p/does-learning-math-please-god-with Does Learning Math Please God,] Substack.
  
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*[http://www.rasmusen.org/special/Cedars_School/04_01_SixFootEleven.pdf  Handout: The Six Foot Eleven Puzzle] 
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*[http://www.rasmusen.org/special/Cedars_School/04_02_Puzzle_Decimalization_Shillings Handout: Puzzle Decimalization Shillings]
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==Handouts by Topic==
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* [[Cedars Math:Computer and Python|Computer and Python]]
  
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*[http://www.rasmusen.org/special/Cedars_School/04_03_order_symbols.pdf  Handout: Order Notation and Intervals]
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* [[Cedars Math:Proofs|Proofs]]
  
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*[http://www.rasmusen.org/special/Cedars_School/05_03_Cats_and_Rats_Handout  Handout: Cats and Rats Puzzle]
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* [[Cedars Math:Videos|Videos]]
  
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*[http://www.rasmusen.org/special/Cedars_School/05.03a_For-Test_Three.pdf  Handout: For Test Three]
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*[[Cedars Math:Statistics|Statistics]]
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*[http://www.rasmusen.org/special/Cedars_School/06.03b_Handout_amicus_rasmusen.pdf  Handout:  Email Filtering Python code with If-Else statements ]
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*[[From the 2025-2026 School Year|From the 2025-2026 School Year]]
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*[http://www.rasmusen.org/special/Cedars_School/06_03b_syllogism.pdf  Handout: Syllogisms  ]
 
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*[http://www.rasmusen.org/special/Cedars_School/06_04_death_rates.ppt  Handout:  Death Rates  ]
 
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*[http://www.rasmusen.org/special/Cedars_School/nothing ]
 
  
 
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[[Cedars Math: Miscellaneous]] , which has Music, Quotations, Phrases, Words, Mr. Rasmusen's notes to himself
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==Words==
 
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*Alpha and Beta
 
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*Amicus
 
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* Amiable
 
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*Century
 
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*Copyright.
 
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*Digression
 
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*Endless loop. 
 
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*Expendable
 
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*Imperative
 
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*Lemma
 
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*Millenium
 
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*Obsolete.
 
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*Premise
 
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*Psychology
 
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*Shilling.
 
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*Syllogism
 
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*Theorem.
 
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==Proverbs and Phrases==
 
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*"When I was a boy of fourteen, my father was so ignorant I could hardly stand to have the old man around. But when I got to be twenty-one, I was astonished at how much he had learned in seven years."  Mark Twain, "Old Times on the Mississippi," <i> Atlantic Monthly</i>, 1874. 
 
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*[https://en.wikipedia.org/wiki/Quis_custodiet_ipsos_custodes%3F "Quis custodiet ipsos custodes",] Who will guard  the guards themselves?
 
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*  "A pint's a pound the world around." Thus, a pint has 16 ounces, and so does a pound.
 
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*"Venite Adoremus": Come and let's adore, or Come let us adore him.
 
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*"Veni, Vidi , Vici": I came, I saw, I conquered, in Latin.  Julius Caesar said this.
 
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*"Per centum":  for each 100, in Latin.
 
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*"e.g.": "exempli gratia", "for example", "as a free example", from Latin.  
 
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*"Un poème n'est jamais fini, seulement abandonné, "  "A poem is never finished, only abandoned." From  [https://www.rasmusen.org/rasmapedia/index.php?title=Quotations#Valery.2C_Paul Paul Verlaine and W.H. Auden. ]
 
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==Chapter 1: Whole Numbers== 
 
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=== 1.1 Counting ===
 
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===1.2 Addition===
 
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===1.3 Subtraction===
 
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===1.4 Multiplication and Division===
 
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*[http://www.rasmusen.org/special/Cedars_School/03.01a_How_to_Multiply_5_by_15_handout.pdf  "How to Solve It: Ways to Compute 5x15"]
 
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===1.5  Long Division ===
 
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===Lesson 6, Friday. Order of operations, exponents===
 
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*[http://www.rasmusen.org/special/Cedars_School/06test01.pdf  Test 1],  (arithmetic, writing numbers in words).
 
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===Lesson 7, Wednesday. Exponents, neatness===
 
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=== Lesson 8,  Friday. Graphics. ===
 
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*[https://www.ttrepairables.com/ T and T Repairables], a used car dealership out west  in the country.
 
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*[http://www.rasmusen.org/special/Cedars_School/08_hw_Graphics.pdf  Homework 8]  (graphics, Python)
 
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=== Lesson 9, Monday. Word problems    ===
 
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*[http://www.rasmusen.org/special/Cedars_School/09_hw_word_problems.pdf    Homework 9] (word problems). Remember also to ask your parents what is necessary for salvation, and, in particular, why just deciding to believe is not enough.    The key verse is "Thou believest that there is one God; thou doest well: the devils also believe, and tremble."  James 2:19. 
 
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*[https://www.kachinaphotosblog.com/prayer-flags-and-wheels/  Here ]  is a good blog post on prayer flags and prayer wheels, with gorgeous photographs if the Himalaya Mountains. Someone came up with the idea of the "prayer wagon": drawings  [http://www.rasmusen.org/special/Cedars_School/1.9_Briley_White_pictures.jpg here  ] and [http://www.rasmusen.org/special/Cedars_School/1.9_3pictures.jpg    here. ]    Relatedly, the parable of  [https://www.kingjamesbibleonline.org/rich-man-and-lazarus_bible/    Lazarus and the Rich Man (Luke) ]  came up in class. 
 
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*WORDS: Amiable, endless loop. 
 
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*  "When I was a boy of fourteen, my father was so ignorant I could hardly stand to have the old man around. But when I got to be twenty-one, I was astonished at how much he had learned in seven years."  Mark Twain, "Old Times on the Mississippi," <i> Atlantic Monthly</i>, 1874.   
 
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*[http://www.rasmusen.org/special/Cedars_School/07_hw_neatness_exponents.pdf    Homework 7] (exponents, neatness)
 
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*Python Code
 
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  print("Buddhist  code.")
 
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  x = 4
 
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  item=1
 
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  while x<6:
 
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  print("Glory to God in the highest!",item)
 
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  item = item +1
 
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  print ("The End.")
 
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*<i>Steps in solving word problems: </i>1. Figure out what the question is and what kind of number is supposed to be the answer. 2. Figure out which numbers in the question are relevant--- some numbers might well be irrelevant to getting to the answer. 3. Figure out what techniques you are going to need, e.g., addition, division, Python coding, looking up something on the Internet. 
 
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*[http://www.rasmusen.org/special/Cedars_School/2021_09_16_Python_Plots_Cedars.mp4  1/2-hour Zoom lecture on Python plotting.]
 

Latest revision as of 16:00, 10 September 2026

  • An online Python compiler that can import the matplotlib module is at https://colab.research.google.com/ . Colab doesn't require building matplotlib like online-python does. It does require that you start by clicking on +NewNotebook, the button in full blue.

Python can also be run at https://www.online-python.com/ . Codabrainy has gone bad, so I advise not using it.



Sessions, using the 2026-2027 Chicago book

1: Numbers


2: Variables

3:


Handouts by Topic



Cedars Math: Miscellaneous , which has Music, Quotations, Phrases, Words, Mr. Rasmusen's notes to himself