Archive for Non classé

La bissectrice, la hauteur, la médiane et la médiatrice

Comment tracer la bissectrice d’un angle?

http://youtu.be/K4ZcgjqnFXw

 

Tracer la hauteur dans un triangle

 

Capture d’écran 2014-09-25 à 09.49.22

http://youtu.be/k0AFMBXeYBA

 

Tracer la médiatrice d’un segment

 

Capture d’écran 2014-09-25 à 09.52.04

http://www.dailymotion.com/video/xefjzc_cours-tracer-la-mediatrice-d-un-seg_school

 

La médiane et médiatrice

Capture d’écran 2017-11-27 à 20.13.58

 

Le point de rencontre de trois médianes de n’importe quel triangle se nomme le centre de gravité

 

Capture d’écran 2017-11-27 à 20.06.54

 

Exercices intéressantes

https://www.cmath.fr/5eme/geometrie/exercice1.php

https://www.mathematiquesfaciles.com/hauteurs-mediatrices-bissectrices-et-medianes-d-un-triangle_2_80680.htm

 

 

 

 

School

Look at the photo. In which country do you think this classroom is?

1.  Tell us all about your school. What are the best and the worst things about your school?

2. What are your school subjects this year, which one is your favourite?

3. What are the rules in your classroom?

4. What rules would change if you could and why?

5. Do you get homework from your school? How much homework do you do each week? Does anybody help you with your homework? Do you like doing homework? Are homework useful?

6. Look around your own classroom identifies the similarities and the differences from your school in Clair to the one in the picture.

7.  This is a good place to learn about Mali.   http://www.our-africa.org/mali