Numele i prenumele: Data:

U.. NMULIREA NUMERELOR 1 000

1. Calculai, aeznd numerele unul sub cellalt:

28 X 4 = 678 X 92 =418 X 6 = 347 X 40 = 57 X 8 = 62 X 700 =245 X 53= 509 X 26 =

2. Efectuai, respectnd ordinea efecturii operaiilor:

4 X 3 X 36 = _____________________________________________________________2 X 12 + 42 X 5 = _________________________________________________________234 + 68 x (73 38) 4 x 105 =______________________________________________________________________________________________________________________

3. Calculai n dou moduri :

11 X ( 5 + 9 ) = ___________________________________________11 X ( 5 + 9 ) = ___________________________________________

( 83 27 ) X 34 = _________________________________________( 83 27 ) X 34 = _________________________________________

4. Afl: nr. de 14 ori mai mare dect 63 : _____________________________________________ triplul nr. 621 : ___________________________________________________________ din cel mai mare nr. de trei cifre scade produsul nr. 54 i 12:_______________________________________________________________________ cu ct este mai mic suma nr. 239 i 468 dect produsul nr. 137 i 8 :_______________________________________________________________________

5. S se calculeze suma a trei numere, tiind c primul este 83 , al doilea este ct dublul primului numr , iar al treilea cu 57 mai mare dect al doilea numr . Rezolvare:_____________________________________________________________________________________________________________________________________________________________________________________________________________________

6. Rezolvai problema cu plan : La un magazin s-au adus 41 lzi a cte 35 kg mere i 124 lzi a cte 32 kg pere. Cte kg fructe s-au adus n total?

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7. Compunei o problem dup exerciiul :

2 x 43 + 5 x 26 =

.........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................Rezolvare: R : ..