Calcul mentalN°14

“Changer de format de durée”

Diapositive 1Diapositive 1

0,8 h

Diapositive 2Diapositive 2

2,5 h

Diapositive 3Diapositive 3

3,25 h

Diapositive 4Diapositive 4

6,75 h

Diapositive 5Diapositive 5

2,3 h

FIN

CORRECTION

Diapositive 1Diapositive 1

= = ×

= × ÷= × =

8 10,8h h 8 h10 10

8 60min 108 6min 48min

Diapositive 2Diapositive 2

= += +=

2,5h 2h 0,5h2h 30min2h30

Diapositive 3Diapositive 3

= += +=

3,25h 3h 0,25h3h 15min3h15

Diapositive 4Diapositive 4

= += +=

6,75h 6h 0,75h6h 45min6h45

Diapositive 5Diapositive 5 = +

= + ×

= + ×=

2,3h 2h 0,3h12h 3 h10

2h 3 6min2h18