1. Calcul mental
“Les nombres relatifs”
Série n°5

2. Diapositive 1
9+…=7

4. Diapositive 2
5 - 10

6. Diapositive 3
-4x9

8. Diapositive 4
-21 : (-2)

10. Diapositive 5
-25 x (-9) x (-4)

12. Diapositive 6
-6 x (-7)

14. Diapositive 7
-18 : 5

16. Diapositive 8
-12 x (-0,5)

18. Diapositive 9
?:(- 3)= 9

20. Diapositive 10
? x 5 = - 40

22. FIN

23. CORRECTION

24. Diapositive 1
- 2 car
7-9=-2

25. Diapositive 2
5 - 10 = -5

26. Diapositive 3
- 4 x 9 = - 36

27. Diapositive 4
-21 : (-2)
= 10,5

28. Diapositive 5
-25 x (-9) x (-4)
= -900

29. Diapositive 6
-6 x (-7) = 42

30. Diapositive 7
-18 : 5 = -3,6

31. Diapositive 8
-12 x (-0,5)
= 6

32. Diapositive 9
-27:(-3)=9

33. Diapositive 10
- 8 x 5 = - 40