Matematik: Difference between revisions
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[[Category:Matematik]] | [[Category:Matematik]] | ||
[[Category:Nørd]] | [[Category:Nørd]] | ||
==Matematik undervisning på video== | |||
* [http://ing.dk/artikel/117744-matematik-for-9-klasse-fortalt-i-37-videoer Matematik for 9. klasse fortalt i 37 videoer] | |||
* [http://vihart.com/blog/pi-is-still-wrong/ Pi Is (still) Wrong] | |||
==Websider og programmer der kan visualisere funktioner== | |||
Explore math with Desmos<br> | |||
* [https://www.desmos.com/ Graph functions, plot data, evaluate equations, explore transformations, and much more – for free!] | |||
* [https://www.desmos.com/calculator/ksjcpazwa9 If you want to graph a parametric, just make each coordinate a function of "t". Click on the "domain" to change it] | |||
GeoGebra is an interactive geometry, algebra, statistics and calculus application, intended for learning and teaching mathematics and science from primary school to university level. | |||
* [http://www.geogebra.org/ GeoGebra] | |||
==Enheder== | ==Enheder== | ||
* [http://www.unc.edu/~rowlett/units/index.html How Many? - A Dictionary of Units of Measurement] | * [http://www.unc.edu/~rowlett/units/index.html How Many? - A Dictionary of Units of Measurement] | ||
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* [http://home3.inet.tele.dk/pmh/ PMH Matamatiksider] | * [http://home3.inet.tele.dk/pmh/ PMH Matamatiksider] | ||
* [http://home3.inet.tele.dk/pmh/1g/frac.htm Det ultimative brøkspil] | * [http://home3.inet.tele.dk/pmh/1g/frac.htm Det ultimative brøkspil] | ||
* [http://mathforum.org/dr.math/faq/faq.peasant.html Russisk bonde multiplikation] | * [http://mathforum.org/dr.math/faq/faq.peasant.html Russisk bonde multiplikation] | ||
* [http://en.wikipedia.org/wiki/Trachtenberg_system Trachtenbergs hurtigregninslære] | * [http://en.wikipedia.org/wiki/Trachtenberg_system Trachtenbergs hurtigregninslære] | ||
* [http://www2.mat.dtu.dk/people/V.L.Hansen/kvadrathist.pdf Jeg er den største (om firkanter)] | |||
* [http://ga.randers-hf-vuc.dk/matlex/index.html#oversigt MatLex - Matematik Leksikon] | |||
* [http://home.imf.au.dk/holger/cs06/slides/fc1.pdf Den geometriske række] | |||
==Sådan finder man kvadratroden== | ==Sådan finder man kvadratroden== | ||
Latest revision as of 14:23, 28 September 2018
Matematik undervisning på video
Websider og programmer der kan visualisere funktioner
Explore math with Desmos
- Graph functions, plot data, evaluate equations, explore transformations, and much more – for free!
- If you want to graph a parametric, just make each coordinate a function of "t". Click on the "domain" to change it
GeoGebra is an interactive geometry, algebra, statistics and calculus application, intended for learning and teaching mathematics and science from primary school to university level.
Enheder
Matematiksider
- PC-Dummies & De Bedre Vidende, matematik-intro.htm
- PMH Matamatiksider
- Det ultimative brøkspil
- Russisk bonde multiplikation
- Trachtenbergs hurtigregninslære
- Jeg er den største (om firkanter)
- MatLex - Matematik Leksikon
Sådan finder man kvadratroden
- Gæt, hvad kvadratroden af S nogenlunde er og kald det tal for K.
- Divider S med K og kald resultatet for R.
- Find gennemsnittet af K og R og kald det nye tal for K.
- Gå til punkt 2 og fortsæt derfra indtil man er tilfreds med præcisionen.
Blindskrift
<google>ENGELSK</google>