3-Cm4 2013-2014
-
Upload
mjollymathome -
Category
Education
-
view
389 -
download
2
description
Transcript of 3-Cm4 2013-2014
![Page 1: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/1.jpg)
Calcul mental
“Longueur et aire”série n°4
![Page 2: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/2.jpg)
• Cinq diapositives vont défiler.
• Il y a une question par diapositive.
•Chaque diapositive est numérotée, et tu indiques uniquement la réponse, tu n ’écris aucun calcul.
![Page 3: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/3.jpg)
Diapositive 1Diapositive 1
Donner l’échelle de réduction du 1 au 2.Donner l’échelle de réduction du 1 au 2.
![Page 4: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/4.jpg)
![Page 5: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/5.jpg)
Diapositive 2Diapositive 2
Calculer xx 7
4 2
![Page 6: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/6.jpg)
![Page 7: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/7.jpg)
Diapositive 3Diapositive 3
![Page 8: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/8.jpg)
![Page 9: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/9.jpg)
Diapositive 4Diapositive 4
Calculer x7 5
8x
![Page 10: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/10.jpg)
![Page 11: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/11.jpg)
Diapositive 5Diapositive 5
![Page 12: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/12.jpg)
![Page 13: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/13.jpg)
FIN
![Page 14: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/14.jpg)
CORRECTION
![Page 15: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/15.jpg)
Diapositive 1Diapositive 1
L’échelle de réduction est 1/3.
Donner l’échelle de réduction du 1 au 2.
![Page 16: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/16.jpg)
Diapositive 2Diapositive 2
x 7 donc 2 4 7
4 24 7
d28
142
onc 2
x
x
![Page 17: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/17.jpg)
Diapositive 3Diapositive 3
OA 4 2 donc
2 46 2
donc 4
123
4
OD AD
OB OC BC B
c
C
BC m
![Page 18: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/18.jpg)
Diapositive 4Diapositive 4
7 5 donc 7 8 5
87 8
donc 56
11,5
25
xx
x
![Page 19: 3-Cm4 2013-2014](https://reader036.fdocuments.fr/reader036/viewer/2022082603/547004f3b4af9f9d0a8b45f5/html5/thumbnails/19.jpg)
Diapositive 5Diapositive 5
CA 3donc
10 153 15
donc 45
4,51010
CB AB BC
CE CD DE
B mC