This document provides examples of calculating percentages of various prices. It lists the price, percentage and calculation for 5 examples: 50% of 144€, 25% of 28€, 30% of 200€, 10% of 32.50€, and 20% of 800€. The calculations are shown step-by-step using division and multiplication. The correct answers are provided.

1. Calcul mental
N°33
“Pourcentage d’un prix”

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

3. 50% de 144€
Diapositive 1Diapositive 1

5. 25% de 28€
Diapositive 2Diapositive 2

7. 30% de 200€
Diapositive 3Diapositive 3

9. 10% de 32,50€
Diapositive 4Diapositive 4

11. 20% de 800€
Diapositive 5Diapositive 5

13. FIN

14. CORRECTION

15. 50% de 144€
144
7
€
€
2
2
= ÷
=
Diapositive 1Diapositive 1

16. 50% de 144€
144
7
€
€
2
2
= ÷
=
Diapositive 1Diapositive 1

17. 50% de 144€
144
7
€
€
2
2
= ÷
=
Diapositive 1Diapositive 1

18. 25% de 28€
7
28€
€
4= ÷
=
Diapositive 2Diapositive 2

19. 25% de 28€
7
28€
€
4= ÷
=
Diapositive 2Diapositive 2

20. 25% de 28€
7
28€
€
4= ÷
=
Diapositive 2Diapositive 2

21. 30% de 200€
(200
60€
€ 100) 30
2€ 30
= ÷ ×
= ×
=
Diapositive 3Diapositive 3

22. 30% de 200€
(200
60€
€ 100) 30
2€ 30
= ÷ ×
= ×
=
Diapositive 3Diapositive 3

23. 30% de 200€
(200
60€
€ 100) 30
2€ 30
= ÷ ×
= ×
=
Diapositive 3Diapositive 3

24. 30% de 200€
(200
60€
€ 100) 30
2€ 30
= ÷ ×
= ×
=
Diapositive 3Diapositive 3

25. 10% de 32,50€
32,50
3,250€ , €
€
25
10
3=
= ÷
=
Diapositive 4Diapositive 4

26. 10% de 32,50€
32,50
3,250€ , €
€
25
10
3=
= ÷
=
Diapositive 4Diapositive 4

27. 10% de 32,50€
32,50
3,250€ , €
€
25
10
3=
= ÷
=
Diapositive 4Diapositive 4

28. 10% de 32,50€
32,50
3,250€ , €
€
25
10
3=
= ÷
=
Diapositive 4Diapositive 4

29. 20% de 800€
(800€ 100) 20
8€ 20
160€
= ÷ ×
= ×
=
Diapositive 5Diapositive 5

30. 20% de 800€
(800€ 100) 20
8€ 20
160€
= ÷ ×
= ×
=
Diapositive 5Diapositive 5

31. 20% de 800€
(800€ 100) 20
8€ 20
160€
= ÷ ×
= ×
=
Diapositive 5Diapositive 5

32. 20% de 800€
(800€ 100) 20
8€ 20
160€
= ÷ ×
= ×
=
Diapositive 5Diapositive 5