cm

1. Calcul mental
N°11
“Les nombres relatifs”

2. 10 - 2 x 4
Diapositive 1Diapositive 1

4. ? x (- 5) = 45
Diapositive 2Diapositive 2

6. ? x 5 = 11
Diapositive 3Diapositive 3

8. 27: ? =- 3
Diapositive 4Diapositive 4

10. - 13:(- 5)
Diapositive 5Diapositive 5

12. FIN

13. CORRECTION

14. 10 - 2 x 4
=10-8= 2
Diapositive 1Diapositive 1

15. - 9 x(-5)
= 45
Diapositive 2Diapositive 2

16. 2,2 x 5
= 11
Diapositive 3Diapositive 3

17. 27:(-9) = -3
Diapositive 4Diapositive 4

18. -13 : (- 5 )
= 2,6
Diapositive 5Diapositive 5