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Matemática da net na sala de aula
Curated by Helena Capela
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What is Modal Logic Good For?

What is Modal Logic Good for?

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Interesting and approachable presentation as an introduction to demonstration

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Por aqui faz-se queijo

Por aqui faz-se queijo | MatNet | Scoop.it
Site de apoio ao ciclo 5 do projeto iTec da Escola Secundária de Palmela.
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O site de apoio ao ciclo 5 do iTec onde também se encontram os links para os sites das diferentes equipas.

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Building an Arduino out of Paper

Building an Arduino out of Paper | MatNet | Scoop.it
Following in the footsteps of the original Paperduino—and the Paperduino Leonardo—comes the Paperduino Tiny.
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Havel-Hakimi

Havel-Hakimi | MatNet | Scoop.it
A sequence of integers is called graphical if there exists a graph with it as its degree sequence. A theorem by Erdős and Gallai characterizes which sequences are graphical, but gives no algorithm to explicitly construct such a graph. Can you construct it?
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A good game.

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Awesome K-12 Math Teachers Exist! And they have blogs.

Awesome K-12 Math Teachers Exist!  And they have blogs. | MatNet | Scoop.it
I sometimes get tired of hearing about how “teachers (meaning K-12 teachers) just don’t understand this or that, or won’t try doing something new,” or are deficient in some way or another.  We ofte...
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"Really Big Numbers" by Richard Evan Schwartz—Book Trailer - YouTube

http://www.ams.org/reallybignumbers In the American Mathematical Society's first-ever book for kids (and kids at heart), mathematician and author Richard Eva...
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Pixar: The math behind the movies - Tony DeRose

Pixar: The math behind the movies - Tony DeRose | MatNet | Scoop.it
The folks at Pixar are widely known as some of the world's best
storytellers and animators. They are perhaps less recognized as some of
the most innovative math whizzes around. Pixar Research Lead Tony DeRose
delves into the math behind the animations, explaining how arithmetic, trigonometry and geometry help bring Woody and the rest
of your favorite characters to life.
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9 Real World Math Problems | Dan Meyer 3 Acts for 9 Courses

9 Real World Math Problems | Dan Meyer 3 Acts for 9 Courses | MatNet | Scoop.it
Grade 9 Mathematics
The following list of Real World Math Problems are aligned with courses for the Grade 9 Mathematics Curriculum for Ontario.
 
Consider narrowing your search by selecting one of the three grade 9 mathematics courses from the Ontario Curriculum below:
 
MAT1L
MFM1P
MPM1D
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Mathematical Impressions: The Bicycle Pulling Puzzle

Mathematical Impressions: The Bicycle Pulling Puzzle | MatNet | Scoop.it
If you pull straight back on the lower pedal of your bicycle, will the bike move forward or backward? This classic puzzle has a surprising twist

Via Margarita Parra
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Margarita Parra's curator insight, March 24, 4:22 PM

The Bicycle Pulling Puzzle: a classic

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II Encontro Internacional da Casa das Ciências

II Encontro Internacional da Casa das Ciências | MatNet | Scoop.it

Via Cornélia Castro
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Curve Fitting

Curve Fitting | MatNet | Scoop.it
With your mouse, drag data points and their error bars, and watch the best-fit polynomial curve update instantly. You choose the type of fit: linear, quadratic, cubic, or quartic. The reduced chi-square statistic shows you when the fit is good. Or you can try to find the best fit by manually adjusting fit parameters.
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Maths Experiencing

This virtual exhibition shows more than 200 mathematical situations. They give students opportunities to experiment, try out, make hypotheses, probe them, try to validate them but also the possibility to try to demonstrate and debate about mathematical properties.

Via Margarita Parra
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Margarita Parra's curator insight, March 4, 9:47 AM

Matemáticas experimentales. 
Compartido por César Cristóbal.

Enjoy! 

Margarita Parra's comment, March 4, 3:15 PM
@Helena Capela Thank you for sharing it!
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STEAM Connect

STEAM Connect | MatNet | Scoop.it
STEM Connect provides a forum for community collaboration and a collection of resources to bring a diverse group of stakeholders (non-profits, education,
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Modal Logic Playground

Modal Logic Playground
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Very interesting interactive site to learn and teach about logic

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Feature Column from the AMS

Feature Column from the AMS | MatNet | Scoop.it
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Mathematics 101: Leading Sites for Math Teachers | Online Math Degrees

Mathematics 101: Leading Sites for Math Teachers | Online Math Degrees | MatNet | Scoop.it
sum of the best: news about online math degrees, schools, and jobs.
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Math in the Media - April 2014

Math in the Media - April 2014 | MatNet | Scoop.it
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Math tricks for fast calculation - YouTube

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Consumer Education - Teaching Resources | Consumer Classroom

Consumer Education - Teaching Resources | Consumer Classroom | MatNet | Scoop.it
Consumer Classroom is a Community Website for Teachers bringing together an Extensive Library of Consumer Education Teaching Resources from across the EU.
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PhET: Simulações gratuitas e na Internet de Física, Química, Biologia, Ciências da Terra e Matemática

PhET: Simulações gratuitas e na Internet de Física, Química, Biologia, Ciências da Terra e Matemática | MatNet | Scoop.it
Simulações Interactivas CientíficasDivertido, interactivo, simulações baseadas na pesquisa de fenómenos Físicos a partir do projecto PhET da Universidade do Colorado.
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Menger Sponge | Visual Insight

Menger Sponge | Visual Insight | MatNet | Scoop.it

Take a cube. Chop it into 3×3×3 = 27 small cubes. Poke holes through it, removing 7 of these small cubes. Repeat this process for each remaining small cube. Do this forever! The result is the Menger sponge.

What’s the volume of the Menger sponge? At each stage we remove 7/27 of the volume, so only 20/27 of the volume is left. As we repeat this forever, the volume drops to zero. So, the final volume is zero!

What’s the surface area of the Menger sponge? That’s a bit harder to work out, but it’s infinite!

What’s the dimension of the Menger sponge? That depends on what you mean by ‘dimension’.

- See more at: http://blogs.ams.org/visualinsight/2014/03/01/menger-sponge/#sthash.IltFFHDR.dpuf

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Bingo de Fracciones

Bingo de Fracciones | MatNet | Scoop.it

Via Cristina Relvas
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14 Beautiful Images That Math Nerds Will Geek Out Over

14 Beautiful Images That Math Nerds Will Geek Out Over | MatNet | Scoop.it
Math isn't just an abstract, useless concept that we study in school.
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Why It’s Important to Talk Math With Kids

Why It’s Important to Talk Math With Kids | MatNet | Scoop.it
Flickr: Benjamin Rossen Do you speak math with your kids? Many of us feel completely comfortable talking about letters, words and sentences with our
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:. Libros de Matemática Gratis y en PDF .:

:. Libros de Matemática Gratis y en PDF .: | MatNet | Scoop.it
Ingresa a una gran colección de Libros de Matemática totalmente Gratis y en PDF. Gran variedad de Libros para descargar y en todos los niveles educativos.

Via Minerva Bueno
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