Numele si prenumele________________
Data_____________
Inmultirea. Exercitii si probleme recapitulative clasa a II-a
Fisa de lucru consolidarea cunostintelor dobandite
1. Gasiti cat mai multe posibilitati, pentru a scrie numerele: 16, 24, 32, 40 ca produse de numere.
Exemplu: 16 = 2 x 8 = 4 x 4 = 2 x 2 x 4 = 2 x 2 x 2 x 2
___________________________________________________________________________________________
___________________________________________________________________________________________
___________________________________________________________________________________________
___________________________________________________________________________________________
2. Pentru a obtine numarul 29, trebuie sa scadem produsul numerelor 9 si 6 dintr-un numar y. Determinati numarul y.
___________________________________________________________________________________________
3. Mariti :
a) cu 7 numerele: 6, 9, 5, 8 si 4; b) de 7 ori aceleasi numere.
Comparati rezultatele obtinute la punctele a) si b)
________________________________________ ________________________________
________________________________________ ________________________________
________________________________________ ________________________________
________________________________________ ________________________________
________________________________________ ________________________________
4. Ce numar trebuie scazut din 31, pentru a obtine dublul lui 8?
____________________________________________________________________________________________
5. Ion are 9 timbre, iar Gigel are de 4 ori mai multe decat el. Cate timbre au cei doi baieti impreuna?
1.______________________________________
2. ______________________________________
R:______________________________________
6. La un concurs au participat 5 echipe a cate 10 elevi fiecare. Cati elevi au participat la acel concurs?
________________________________________
7. Lina a citit 9 pagini dintr-o carte, iar Mioara de 3 ori mai multe pagini. Cate pagini ar trebui sa citeasca Lina, pentru a citi tot atatea pagini ca si Mioara?
1.________________________________________
2.________________________________________
R:________________________________________
8. Cate creioane colorate sunt in 8 cutii de acelasi fel, daca intr-o cutie sunt 6 creioane?
__________________________________________
9. Cate picioare au 6 lupi si 8 vulpi? Dar 8 iepuri si 8 curcani?
__________________________________________
10. Dupa ce a dat cate 3 prajituri fiecareia dintre cele 3 prietene ale sale Valentinei i-au mai ramas 5 prajituri. Cate prajituri a avut Valentina?
1.__________________________________________
2.__________________________________________
R:__________________________________________
Descarcati fisa de lucru de la atasamente