This document contains a series of math problems involving relative numbers. It presents 5 problems: -5 + 5 x 3, -8:5, ? x 10 = - 38, ? x 5 = 13, -36 : ?= -4. The answers provided are: 10, -1.6, -3.8, 2.6, 9.

1. Calcul mental
“Les nombres relatifs”
Série n°4

2. Diapositive 1
-5 + 5 x 3

4. Diapositive 2
-8:5

6. Diapositive 3
? x 10 = - 38

8. Diapositive 4
? x 5 = 13

10. Diapositive 5
-36 : ?= -4

12. CORRECTION

13. FIN

14. Diapositive 1
-5 + 5 x 3
= -5 + 15 = 10

15. Diapositive 2
- 8 : 5 = - 1,6

16. Diapositive 3
- 3,8 x10 = - 38

17. Diapositive 4
2,6 x 5 = 13

18. Diapositive 5
-36: 9 = -4