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Calcul mental
“Pourcentage d’un prix”
série n°1
Pour chaque diapositive,
calculer le pourcentage
du prix écrit.
Diapositive 1

50% de 90€
Diapositive 2

25% de 40€
Diapositive 3

30% de 100€
Diapositive 4

10% de 30€
Diapositive 5

20% de 300€
FIN
CORRECTION
Diapositive 1

50% de 90€
= 90€ ÷ 2
= 45€
Diapositive 1

50% de 90€
= 90€ ÷ 2
= 45€
Diapositive 1

50% de 90€
= 90€ ÷ 2
= 45€
Diapositive 2

25% de 40€
= 40€ ÷ 4
= 10€
Diapositive 2

25% de 40€
= 40€ ÷ 4
= 10€
Diapositive 2

25% de 40€
= 40€ ÷ 4
= 10€
Diapositive 3

30% de 100€
= (100€ ÷ 100) × 30
= 1€ × 30
= 30€
Diapositive 3

30% de 100€
= (100€ ÷ 100) × 30
= 1€ × 30
= 30€
Diapositive 3

30% de 100€
= (100€ ÷ 100) × 30
= 1€ × 30
= 30€
Diapositive 3

30% de 100€
= (100€ ÷ 100) × 30
= 1€ × 30
= 30€
Diapositive 4

10% de 30€
= 30€ ÷ 10
= 3, 0€ = 3€
Diapositive 4

10% de 30€
= 30€ ÷ 10
= 3, 0€ = 3€
Diapositive 4

10% de 30€
= 30€ ÷ 10
= 3, 0€ = 3€
Diapositive 4

10% de 30€
= 30€ ÷ 10
= 3, 0€ = 3€
Diapositive 5

20% de 300€
= (300€ ÷ 100) × 20
= 3€ × 20
= 60€
Diapositive 5

20% de 300€
= (300€ ÷ 100) × 20
= 3€ × 20
= 60€
Diapositive 5

20% de 300€
= (300€ ÷ 100) × 20
= 3€ × 20
= 60€
Diapositive 5

20% de 300€
= (300€ ÷ 100) × 20
= 3€ × 20
= 60€

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5-Cm11 pourcentage