cm

1. Calcul mental
N°31
“Pourcentage d’un prix”

2. Pour chaque diapositive,
calculer le pourcentage
du prix écrit.

3. 50% de 90€
Diapositive 1Diapositive 1

5. 25% de 40€
Diapositive 2Diapositive 2

7. 30% de 100€
Diapositive 3Diapositive 3

9. 10% de 30€
Diapositive 4Diapositive 4

11. 20% de 300€
Diapositive 5Diapositive 5

13. FIN

14. CORRECTION

15. = ÷
=
50% de 90€
90€ 2
45€
Diapositive 1Diapositive 1

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

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

18. = ÷
=
25% de 40€
40€ 4
10€
Diapositive 2Diapositive 2

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

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

21. = ÷ ×
= ×
=
30% de 100€
(100€ 100) 30
1€ 30
30€
Diapositive 3Diapositive 3

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

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

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

25. ÷
=
=
=
10% de 30€
30
3,0
10
€
€
3€
Diapositive 4Diapositive 4

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

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

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

29. = ÷ ×
= ×
=
20% de 300€
(300€ 100) 20
3€ 20
60€
Diapositive 5Diapositive 5

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

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

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