5-cm26 13-14

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Page 1: 5-Cm26 13-14

Calcul mental“Les opérations avec

des fractions”Série n°1

Page 2: 5-Cm26 13-14

Diapositive 1Diapositive 1

3 2

5 5

Calculer :

Page 3: 5-Cm26 13-14
Page 4: 5-Cm26 13-14

Diapositive 2Diapositive 2 Comparer:

9 4.....

100 10

Page 5: 5-Cm26 13-14
Page 6: 5-Cm26 13-14

Diapositive 3Diapositive 3 Compléter :

3 ...... 5

Page 7: 5-Cm26 13-14
Page 8: 5-Cm26 13-14

Diapositive 4Diapositive 4

Calculer : de 20€1

5

Page 9: 5-Cm26 13-14
Page 10: 5-Cm26 13-14

Diapositive 5Diapositive 5

Donner la dimension réduite de 30 m à l’échelle 1

5

Page 11: 5-Cm26 13-14
Page 12: 5-Cm26 13-14

FIN

Page 13: 5-Cm26 13-14

CORRECTION

Page 14: 5-Cm26 13-14

Diapositive 1Diapositive 1

3

5

12

5 5

Page 15: 5-Cm26 13-14

Diapositive 2Diapositive 2

9 4

100 104 40

10 100

Page 16: 5-Cm26 13-14

Diapositive 3Diapositive 3

3 55

3

Page 17: 5-Cm26 13-14

Diapositive 4Diapositive 4

Calculer : de 20€1

51 2020 4

5 5

Page 18: 5-Cm26 13-14

Diapositive 5Diapositive 5

Donner la dimension réduite de 30 m à l’échelle 1

5

130 30 :

565 m