Calcul mental “Les opérations avec des        fractions”        Série n°2
Diapositive 1Calculer :                 9 2                  −                 5 5
Diapositive 2Calculer :                 3 4                  +                 5 10
Diapositive 3Calculer :                 2 10                  ×                 7 7
2 de 20 Diapositive 4Calculer :           5
Diapositive 5Calculer 10% de 150
FIN
CORRECTION
9 2 7Diapositive 1                 − =                5 5 5
Diapositive 23 4 +5 10  6 4 10= + =     =1 10 10 10
Diapositive 32 10 2 ×10 20 × =      =7 7  7 × 7 49
2 Diapositive 4Calculer :   de 20           5          2        40            × 20 =    =8          5        5
Diapositive 5Calculer 10% de 150 10          1500     ×150 =        = 15 100         100     15010 ×     = 10 ×1,5 = 15   ...
5-Cm27 11-12
5-Cm27 11-12
5-Cm27 11-12
5-Cm27 11-12
5-Cm27 11-12
Upcoming SlideShare
Loading in …5
×

5-Cm27 11-12

340 views

Published on

Published in: Education
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
340
On SlideShare
0
From Embeds
0
Number of Embeds
34
Actions
Shares
0
Downloads
0
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

5-Cm27 11-12

  1. 1. Calcul mental “Les opérations avec des fractions” Série n°2
  2. 2. Diapositive 1Calculer : 9 2 − 5 5
  3. 3. Diapositive 2Calculer : 3 4 + 5 10
  4. 4. Diapositive 3Calculer : 2 10 × 7 7
  5. 5. 2 de 20 Diapositive 4Calculer : 5
  6. 6. Diapositive 5Calculer 10% de 150
  7. 7. FIN
  8. 8. CORRECTION
  9. 9. 9 2 7Diapositive 1 − = 5 5 5
  10. 10. Diapositive 23 4 +5 10 6 4 10= + = =1 10 10 10
  11. 11. Diapositive 32 10 2 ×10 20 × = =7 7 7 × 7 49
  12. 12. 2 Diapositive 4Calculer : de 20 5 2 40 × 20 = =8 5 5
  13. 13. Diapositive 5Calculer 10% de 150 10 1500 ×150 = = 15 100 100 15010 × = 10 ×1,5 = 15 100

×