Numele si prenumele_______________________ Data__________________
Inmultirea cand unul dintre factori este 10
1. Calculati :
2 x 10 = 3 x 10 = 7 x 10 = 2 x 3 x 10 = 5 x 10 = 1 x 10 =
0 x 10 = 2 x 2 x 10 = 8 x 10 = 9 x 10 = 3 x 3 x 10 =
2. Completati factorii care lipsesc:
_____ x 10 = 20 _____ x 10 = 70 _____ x 10 = 60 ______ x 10 = 80
10 x _____ = 50 10 x _____ = 90 10 x ____ = 30 10 x _____ = 40
3. Scrieti in casute unul din semnele <,= sau > pentru a obtine relatii adevarate:
10 x 5 ____ 7 x 10 10 x 6 ____ 2 x 10 10 x 4 x 1 ____ 2 x 2 x 10
10 x 4 ____ 8 x 10 10 x 1 ____ 6 x 10 10 x 3 x 3 ____ 2 x 3 x 10
4. Gasiti, in fiecare caz in parte, cel mai mare numar, care scris in casuta libera, face adevarata relatia:
____ x 10 < 70 ____ x 10 < 20 _____ x 10 < 80
____ x 10 < 50 ____ x 10 < 90 _____ x 10 < 40
5. Scrieti numarul 100 ca produs de :
a) doi factori: b) trei factori: c) patru factori.
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6. Calculati produsele de mai jos in doua moduri:
10 x ( 3 + 2 ) = 10 x ( 6 + 3 ) = 10 x (5 + 5) =
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7. Aflati numerele:
a) de 10 ori mai mari decat: 10, 0, 5, 1, 7, 8;
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b) cu 10 mai mari decat: 10, 0, 5, 1, 7, 8, 9.
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8. Aflati produsele numerelor:
10 si 10 9 si 10 10 si 5 3 si 10 10 si 0
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9. Intr-o sala sunt 10 randuri de scaune. In fiecare rand sunt cate 10 scaune. Cate scaune sunt in acea sala?
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10. O cutie contine 6 pahare. Cate pahare sunt in 10 cutii de acelasi fel?
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11. Andrada isi propune sa rezolve cate 10 probleme in fiecare zi. Cate probleme va rezolva ea intr-o saptamana?
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12. Noua perechi de iepuri au cate 10 iepurasi fiecare. Cati iepurasi sunt in total?
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