FIA DE LUCRU

1. Scrie numrul corespunztor pentru:

50.000+3.000+200+10 +6=

20.000+200+20+2=

100.000+5.000=

2. Calculeaz:

a) 238.000 + 102.387 + 330.333 +

17.200 232.204 71.325

_____________ __________ ______________

b) 125 .673 43.477 - 98. 564 -

34.231 28.945 70.232

_______________ _____________ _____________

3. Efectueaz operaiile si compar rezultatele:

a) 72 + 68 + 75 _____ 140 + 64 + 15

b) 123 + 223 +333 _____ 245+ 65+ 111

4 . Calculeaz:

(265. 248+196 .006) - 133 .564 =

(105. 986+24 .453) (43. 857- 12 .465) =

5. Cu ct este mai mare suma vecinilor numrului 23 .467 dect numarul 11.111?

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6. Diferena numerelor 34 .567 i 12 .374 mrete-o cu numrul 635. 439.

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7. ntr-un ora locuiesc 20 564 de locuitori. Dintre acetia 9 346 sunt femei, cu 1 765 mai puini brbai decat femeile i restul sunt copii.

Ci copii triesc n acel ora?

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