6-Cm16

31
Calcul mental “Diviser des durées”

Transcript of 6-Cm16

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Calcul mental “Diviser des durées”

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Pour chaque diapositive,

effectuer les divisions.

Donner les réponses en HMS.

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9h30 3÷Diapositive 1Diapositive 1

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6h38 2÷Diapositive 2Diapositive 2

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La moitié de 5h30

Diapositive 3Diapositive 3

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Le tiers de 12h36

Diapositive 4Diapositive 4

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1h20 4÷Diapositive 5Diapositive 5

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FIN

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CORRECTION

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(9h 3) (30min 3) 9h3

3h10min0 3÷ ÷ + ÷

==

Diapositive 1Diapositive 1

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9h30 3 (9h 3) (30min 3 3

)h10min

÷ = ÷ +=

÷

Diapositive 1Diapositive 1

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9h30 3 (9h 3) (30min 3) 3h10min

÷ = ÷ + ÷=

Diapositive 1Diapositive 1

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(6h 2) (38min 2)

6

h38 2 3h19min

÷ + ÷÷==

Diapositive 2Diapositive 2

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6h38 2 (6h 2) (38min 2

) 3h 9 n 1 mi=

÷ = ÷ + ÷

Diapositive 2Diapositive 2

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6h38 2 (6h 2) (38min 2) 3h19min

÷ = ÷ + ÷=

Diapositive 2Diapositive 2

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(5h 2) (30min 2) 2h30min 15min

La moitié de

2h45

5h30

min

= ÷ + ÷= +=

Diapositive 3Diapositive 3

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2h30miLa moitié de 5h30 (5h 2) (30min

n 15min 2h 5 n

2)

4 mi= +=

= ÷ + ÷

Diapositive 3Diapositive 3

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La moitié de 5h30 (5h 2) (30min 2)

2

h30min 15min 2h45min=

= ÷ + ÷= +

Diapositive 3Diapositive 3

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La moitié de 5h30 (5h 2) (30min 2) 2h30min 15min 2h45min

= ÷ + ÷= +=

Diapositive 3Diapositive 3

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(12h 3) (36min 3)

Le tiers de 12h36

4h12mi n÷ ÷

== +

Diapositive 4Diapositive 4

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Le tiers de 12h36 (12h 3) (36min 3) 4h12min =

= ÷ + ÷

Diapositive 4Diapositive 4

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Le tiers de 12h36 (12h 3) (36min 3) 4h12min

= ÷ + ÷=

Diapositive 4Diapositive 4

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(1h 4) (20min 4) 15min 5min

1

h20 4

20min

÷ = ÷ + ÷= +=

Diapositive 5Diapositive 5

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15mi1h20 4 (1h 4) (

n 5min 2

20m n 4

0mi

i )

n=

÷

=

÷ =+

+ ÷

Diapositive 5Diapositive 5

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1h20 4 (1h 4) (20min 4) 15min 5min 20min

÷ = ÷ + ÷= +=

Diapositive 5Diapositive 5

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1h20 4 (1h 4) (20min 4) 15min 5min 20min

÷ = ÷ + ÷= +=

Diapositive 5Diapositive 5