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''Math Extra'' |
''Math Extra'' is a parent volunteer [[Dave Barker]], coming into [[Sagamore Hills Elementary School]] once a week during normal math class to give some extra math. |
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See also: [http://sagamorehillspta.org/mathclub Sagamore Hills Math Club] |
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==Videos== |
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** Spirals, Fibonacci, and Being a Plant: parts [https://www.youtube.com/watch?v=ahXIMUkSXX0 [1]], [https://www.youtube.com/watch?v=lOIP_Z_-0Hs [2]], [https://www.youtube.com/watch?v=14-NdQwKz9w [3]] |
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* Infinity |
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* Logarithms |
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** [https://www.youtube.com/watch?v=sULa9Lc4pck Triangle of Power - YouTube] |
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** [https://www.youtube.com/watch?v=TINfzxSnnIE 9.999... reasons that .999... = 1 - YouTube] |
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** [https://www.youtube.com/watch?v=cWkVv1rSlD0 PEMDAS is Wrong! - The True Order of Operations: Part 1 [fbt]] |
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** [https://www.youtube.com/watch?v=y9h1oqv21Vs The Order of Operations is Wrong] |
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** [https://www.youtube.com/watch?v=FpyrF_Ci2TQ Pi and the size of the Universe - Numberphile] |
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** [https://www.youtube.com/watch?v=jG7vhMMXagQ Pi Is (still) Wrong.] |
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** [https://www.youtube.com/watch?v=FtxmFlMLYRI A Song About A Circle Constant] |
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* Pythagorean Theorem |
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** [https://www.youtube.com/watch?v=odfhFSnLaaw Pythagoras Without Words - YouTube] |
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** [https://www.youtube.com/watch?v=tfHpsW6LBtE The Spider and the Fly - YouTube] |
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** [https://www.youtube.com/watch?v=QJYmyhnaaek All possible pythagorean triples, visualized - YouTube] |
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==Meetings== |
==Meetings== |
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? |
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===2019-02-26=== |
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# List on whiteboard various numbers: 0, 1, i, e, π, Φ. Review. |
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# Talk about rational numbers, their repeating decimals, and how some of the afore mentioned numbers are not rational |
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# Watch, [https://www.youtube.com/watch?v=AuA2EAgAegE e (Euler's Number) - Numberphile - YouTube] |
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===2019-02-19=== |
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# Play on the whiteboard, introducing logarithms |
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# Watch [https://www.youtube.com/watch?v=N-7tcTIrers How I Feel About Logarithms - YouTube] |
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# Write out sample logarithms and see how they grow differently than multiplication |
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===2017-05-04=== |
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# Completed, '''"Math Problem Solving Challenge Test / Grade 5 / 2006–2007" page 2 problems 11–17''', on page 10 of "[http://www.mathcs.emory.edu/~mic/sagamore/tex/talk5-07.pdf Sagamore Math Tournament Fernbank Afterschool Practice Dec 17 2007 Grade 5]" <br />(from http://www.mathcs.emory.edu/~mic/mathtourney.html (linked from http://sagamorehillspta.org/mathclub )) |
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# Video of math in plant growth, parts [https://www.youtube.com/watch?v=ahXIMUkSXX0 [1]] and [https://www.youtube.com/watch?v=lOIP_Z_-0Hs [2]] of 3 (too much for this age) |
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===2017-05-04=== |
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# Completed, '''"Math Problem Solving Challenge Test / Grade 5 / 2006–2007" page 1 of 2''', page 9 of "[http://www.mathcs.emory.edu/~mic/sagamore/tex/talk5-07.pdf Sagamore Math Tournament Fernbank Afterschool Practice Dec 17 2007 Grade 5]" <br />(from http://www.mathcs.emory.edu/~mic/mathtourney.html (linked from http://sagamorehillspta.org/mathclub )) |
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# Introduction to the Pythagorean Theorem with, "[https://www.youtube.com/watch?v=odfhFSnLaaw Pythagoras Without Words - YouTube]", and application through, "[https://www.youtube.com/watch?v=tfHpsW6LBtE The Spider and the Fly - YouTube]" |
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===2017-04-20=== |
===2017-04-20=== |
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# Completed |
# Completed "Sagamore Math Tournament Grades 4–5 practice cipher round from 2007 tournament", from pages 14–23 of "[http://www.mathcs.emory.edu/~mic/sagamore/tex/talk5-07.pdf Sagamore Math Tournament Fernbank Afterschool Practice Dec 17 2017 Grade 5]" (from http://www.mathcs.emory.edu/~mic/mathtourney.html (linked from http://sagamorehillspta.org/mathclub )) |
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# [https://goo.gl/photos/sxh9sSJoDN4zmQBC7 |
# [https://goo.gl/photos/sxh9sSJoDN4zmQBC7 Dancing] |
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===2017-03-16=== |
===2017-03-16=== |
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** Order of operations |
** Order of operations |
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==Videos== |
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===Download videos=== |
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Using [https://youtube-dl.org/ youtube-dl]: |
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<pre>youtube-dl --format 'bestvideo[ext=mp4][height<=720]+bestaudio[ext=m4a]/bestvideo[ext=webm][height<=720]+bestaudio[ext=webm]/best[height<=720]' --verbose</pre> |
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Ensures the video is no larger than 720p—to save space on portables—and prefer mp4—for portability. |
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* Pi |
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==See also== |
==See also== |