1. Calcul mental
“Racines carrées”
série n°2

2. Pour chaque diapositive
calculer et écrire le
résultat sous la forme
d’un nombre entier.

3. Diapositive 1
64 × 16

4. Diapositive 2
81 − 49

5. Diapositive 3
36
4

6. Diapositive 4
( )
2
6

7. Diapositive 5
2× 8

8. FIN

9. CORRECTION

10. Diapositive 1
64 × 16 = 8 × 4 = 32

11. Diapositive 1
64 × 16 = 8 × 4 = 32

12. Diapositive 1
64 × 16 = 8 × 4 = 32

13. Diapositive 2
81 − 49 = 9 − 7 = 2

14. Diapositive 2
81 − 49 = 9 − 7 = 2

15. Diapositive 2
81 − 49 = 9 − 7 = 2

16. Diapositive 3
36 6
= =3
4 2

17. Diapositive 3
36 6
= =3
4 2

18. Diapositive 3
36 6
= =3
4 2

19. Diapositive 4
( )
2
6 =6

20. Diapositive 4
( )
2
6 =6

21. Diapositive 5
2 × 8 = 2 × 8 = 16 = 4

22. Diapositive 5
2 × 8 = 2 × 8 = 16 = 4

23. Diapositive 5
2 × 8 = 2 × 8 = 16 = 4

24. Diapositive 5
2 × 8 = 2 × 8 = 16 = 4