nmulirea cu 2

1. Afl numrul de stelue prin adunare repetat i prin nmulire.

_______________ _________________ _______________ ________________

_______________ _________________ _______________ ________________

2. Calculeaz i completeaz:

2 + 2+ 2 = ____ x ___ = ___

2 + 2 + 2 + 2 + 2 + 2 = ___ x ___ = ___

2 + 2 + 2 + 2 + 2 = ___ x ___ = ___ 2 + 2 + 2 + 2 + 2 + 2 + 2 = ___ x ___ = ___

3. nconjoar rspunsul corect: 4 x 2 = 10 ; 8 ; 16 2 x 5 = 5 ; 12 ; 10

10 x 2 = 12; 20 ; 10

9 x 2 = 16 ; 14 ; 18 2 x 7 = 14 ; 20 ; 18

2 x 8 = 16 ; 12 ; 8

4. Afl numerele de 2 ori mai mari dect: 5, 8, 7, 9, 4. _______________ ________________ _________________ _________________ ________________

5. Afl numerele cu 2 mai mari dect: 5, 8, 7, 9, 4. _______________ ________________ _________________ _________________ ________________

6. Afl dublul numerelor 4, 9, 7, 3, 6.

_______________ ________________ _________________ _________________ ________________

7. Ia din suma nr. 35 i 8 dublul nr. 6. _______________________________________________________________8. La dublul nr. 9 adaug diferena nr. 90 i 55. _______________________________________________________9. La cel mai mic nr. par adaug dublul acestuia. ____________________________________________________10. Din produsul nr. 2 i 6 scade suma lor? ____________________________________________________________11. Din dublul nr. 9 scade produsul nr. 2 i 6. ____________________________________________________12. Mrete de dou ori diferena nr. 106 si 97. ____________________________________________________13. Calculeaz numerele:

cu 2 mai mari dect numerele 3, 7; _______________________ _________________________ de 2 ori mai mari de ct numerele 3, 7; _______________________ _________________________ cu 2 mai mici dect numerele 3, 7; _______________________ _________________________ 14. Scrie perechi de numere al cror produs s fie: 18, 10; 14; 8; 12.

_________________ __________________ __________________ ___________________ __________________

Completeaz spaiile libere cu semnul de relaie corespunztor, , =: 2 x 3 ____ 9 x 2 5 x 2 ____ 4 x 2 2 x 7 ____ 2 x 5 3 x 2 ____ 2 x 6

2 x 8 ____ 8 x 2 2 x 2 ____ 2 x 7 2 x 4 ____ 1 x 2 6 x 2 ____ 2 x 915. Calculeaz dup model:

56 + (2 x 5) = 56 + 10 = 66 63 - (7 x 2) = ________________ 2 x 7 + 2 x 9 =14 + 18 = 32

35 + (8 x 2) =________________ 80 - (9 x 2) = ________________ 7 x 2 + 2 x 2 =__________________ 75 - (2 x 9) =________________ 75 - (2 x 3) = ________________ 2 x 8 - 5 x 2 =__________________ 46 + (2 x 4) = ________________ 38 - (6 x 2) = ________________ 6 x 2 - 2 x 3 =__________________

16. ntr-un acvariu sunt 9 peti iar n altul de dou ori mai muli. Ci peti sunt n cele dou acvarii?Rezolvare _______________________________________________ ____________________________________________

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R: _____________17. ntr-o livad sunt 9 pruni, peri de dou ori mai muli dect pruni iar meri sunt cu 2 mai muli dect pruni. Ci pomi sunt n acea livad?

Rezolvare _______________________________________________ ____________________________________________

_______________________________________________ ____________________________________________

_______________________________________________ ____________________________________________

R: _____________

18. Dana are 7 nuci, Ana are de 2 ori mai multe iar Mihai are ct cele dou fete la un loc.

Cte nuci mpreun?Rezolvare _______________________________________________ ____________________________________________

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R: _____________19. Mama cumpr din pia 5 kg mere i 7 kg de cartofi. Ci lei pltete dac 1kg de mere cost 4 lei iar unul de cartofi cost 2 lei?

Rezolvare _______________________________________________ ____________________________________________

_______________________________________________ ____________________________________________

_______________________________________________ ____________________________________________

R: _____________

20. Mirela cumpr 2 cri i 7 pixuri. Un pix cost 2 lei iar o carte cost 9 lei. Ci lei a cheltuit?

Rezolvare _______________________________________________ ____________________________________________

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