There no  mathematical scary stories  about Halloween
But if you like misteries, here is an interesting video in which appears an odd dillema about an ancient book 

The Voynich Codice

https://youtu.be/YG9CV4t0TlA   (spanish)

https://youtu.be/awGN5NApDy4    (english with subtitles)

A piece of advice:

You can get on well with logarithms in english if you 

• Watch the next video

https://youtu.be/mQTWzLpCcW0

https://youtu.be/mQTWzLpCcW0

•  Read the following lesson

Wednesday, 26 October, 2016

Please,  solve, copy in yor homework notebook  and check the results:

https://drive.google.com/file/d/0BzbMH1hz77vrQ0VnaU5aaXNFREE/view?usp=sharing

Ejercicios de radicales y racionalización de denominadores
para repasar el examen del martes 25 de Octubre:

https://drive.google.com/file/d/0BzbMH1hz77vrVFZxb1lXb2t1WkE/view?usp=sharing

How to rationalize a denominator | Exponent expressions and equations | ...

• Solucionario del libro MATEMATICAS ACADEMICAS 4ºESO (Editex):

https://drive.google.com/file/d/0BzbMH1hz77vrTjU2b2F2cGFXTU0/view?usp=sharing

• Libro ACADEMIC MATHEMATICS 4º ESO:

https://drive.google.com/file/d/0B8zalY3H37QycUxDWU5sOUJrZWM/view?usp=sharing

• Khan Academy video:

https://drive.google.com/open?id=0BzbMH1hz77vrTjU2b2F2cGFXTU0

Para mis alumnos de 3º ESO:

https://drive.google.com/file/d/0BzbMH1hz77vrWWE5T1lKTkNCLXM/view?usp=sharing

Para el jueves 

• Operaciones con radicales, teoría:

https://drive.google.com/file/d/0BzbMH1hz77vrZmUzMlQwUzExdnc/view?usp=sharing

• Ejercicios de radicales con soluciones para practicar:

          https://drive.google.com/file/d/0BzbMH1hz77vrZjVHcXZJNVJoNms/view?usp=sharing

Radicals and logariths:

https://drive.google.com/file/d/0BwbKIvh56BR7WE5wQnFjY0F0cm8/view?usp=

Worksheet:

https://drive.google.com/file/d/0B8zalY3H37QyN0pXY1MwRS1SX3M/view?usp=sharing

Worksheets with solution for the next exam:

http://maths.guadalupebuendia.eu/English/W4ESO/RealNumbers.pdf

http://maths.guadalupebuendia.eu/English/W4ESO/RealNumbers.pdf