Difference between revisions of "Cedars Math:Chapter 1"
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==Chapter 1: Whole Numbers== | ==Chapter 1: Whole Numbers== | ||
=== 1.1 Counting === | === 1.1 Counting === | ||
| − | *[http://strangehorizons.com/non-fiction/articles/the-biggest-numbers-in-the-universe/ "THE BIGGEST NUMBERS IN THE UNIVERSE,"] BRYAN CLAIR (2001). | + | *[http://strangehorizons.com/non-fiction/articles/the-biggest-numbers-in-the-universe/ "THE BIGGEST NUMBERS IN THE UNIVERSE,"] BRYAN CLAIR (2001). Just for reference; not used in class. |
===1.2 Addition=== | ===1.2 Addition=== | ||
| + | |||
===1.3 Subtraction=== | ===1.3 Subtraction=== | ||
| Line 35: | Line 14: | ||
===1.5 Short Division=== | ===1.5 Short Division=== | ||
| + | (We skipped section 1.6) | ||
| − | + | *Handout: [https://indianapublicmedia.org/news/bloomington-council-adopts-new-district-boundaries.php City Council districts] in Bloomington. Just for reference; not used in class. | |
| − | *Handout: [https://indianapublicmedia.org/news/bloomington-council-adopts-new-district-boundaries.php City Council districts] in Bloomington. | ||
| − | *[https://sites.pitt.edu/~dash/alibaba.html "Ali Baba and the Forty Thieves,"] in the Lang retelling (best) and the Richard Burton translation of the original (not as good). | + | *[https://sites.pitt.edu/~dash/alibaba.html "Ali Baba and the Forty Thieves,"] in the Lang retelling (best) and the Richard Burton translation of the original (not as good). Just for reference; not used in class. |
| − | *[https://math.stackexchange.com/questions/1435339/for-numbers-divisible-by-three-why-is-the-sum-of-their-digits-able-to-be-divide/1435353#1435353 Proofs that the sum of its digits being divisible by three shows that a number is divisible by three] at Math Stack Exchange. | + | *[https://math.stackexchange.com/questions/1435339/for-numbers-divisible-by-three-why-is-the-sum-of-their-digits-able-to-be-divide/1435353#1435353 Proofs that the sum of its digits being divisible by three shows that a number is divisible by three] at Math Stack Exchange. Just for reference; not used in class. |
===1.7 Rounding=== | ===1.7 Rounding=== | ||
| Line 54: | Line 33: | ||
=== 1.9 Word problems === | === 1.9 Word problems === | ||
| − | *[http://www.rasmusen.org/special/Cedars_School/ | + | *[http://www.rasmusen.org/special/Cedars_School/09_hw_word_problems.pdf Homework 9] (word problems). |
| − | + | From previous years: | |
| − | *[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 | + | *[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 Himalayan 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. |
*WORDS: Amiable, endless loop. | *WORDS: Amiable, endless loop. | ||
Latest revision as of 13:09, 30 August 2024
Click HERE to go back to the Cedars Math front page.
Contents
Chapter 1: Whole Numbers
1.1 Counting
- "THE BIGGEST NUMBERS IN THE UNIVERSE," BRYAN CLAIR (2001). Just for reference; not used in class.
1.2 Addition
1.3 Subtraction
1.4 Multiplication
1.5 Short Division
(We skipped section 1.6)
- Handout: City Council districts in Bloomington. Just for reference; not used in class.
- "Ali Baba and the Forty Thieves," in the Lang retelling (best) and the Richard Burton translation of the original (not as good). Just for reference; not used in class.
- Proofs that the sum of its digits being divisible by three shows that a number is divisible by three at Math Stack Exchange. Just for reference; not used in class.
1.7 Rounding
1.8 Order of operations, exponents
Graphics
- T and T Repairables, a used car dealership out west in the country.
- Homework 8 (graphics, Python)
1.9 Word problems
- Homework 9 (word problems).
From previous years:
- Here is a good blog post on prayer flags and prayer wheels, with gorgeous photographs if the Himalayan Mountains. Someone came up with the idea of the "prayer wagon": drawings here and here. Relatedly, the parable of Lazarus and the Rich Man (Luke) came up in class.
- WORDS: Amiable, endless loop.
- "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," Atlantic Monthly, 1874.
- Homework 7 (exponents, neatness)
- Python Code
print("Buddhist code.")
x = 4
item=1
while x<6:
print("Glory to God in the highest!",item)
item = item +1
print ("The End.")
- Steps in solving word problems: 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.
