Numele și prenumele: ................................................................ Data: ..............................

EVALUARE „Adunarea și scăderea numerelor naturale de la 0 la 10 000”

1. Calculați:

3 240 + 5 435 = 4 759 – 3 520 = 6 952 + 2 739 =4 698 + 3 958 = 9 545 – 4 782 = 9 000 – 5 983 =

2. Efectuați:

5 258 + 7 452 - 7 895 + 2 985 - 8 500 – 2 359 2 587 250 958 3 859

3. Calculați, respectând ordinea efectuării operațiilor:

5 289 + 2 980 – 3 587 = 1 897 + (3 745 – 1 458)-249+73 == == =

= =

4. Aflați:

a) suma numerelor: 4 587 și 3 981; _____________________________________________________________________________

b) diferența numerelor: 9 871 și 7 148;_____________________________________________________________________________

c) numărul cu 1 254 mai mare decât predecesorul numărului 4 587;_____________________________________________________________________________

d) numărul cu 3 458 mai mic decât succesorul numărului 7 815._____________________________________________________________________________

5. Află numerele necunoscute:

3 119+2 452 – a =2 079 o-3 450+1 119= 4 000 7 342-p+2 100-1 245=3 876

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12 p

Calificativ:.......................................

6. Suma a trei numere este 2887. Suma primilor doi termeni este 1754, iar al doilea termen este cu 311 mai mic decât al treilea. Află numerele. _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

7. Mă gândesc la un număr pe care îl scad din cel mai mare număr scris cu patru cifre impare diferite.

La rezultat adaug cel mai mic număr impar de patru cifre, scad 1249 şi obţin dublul diferenţei

numerelor 4 şi 2. La ce număr m-am gândit?

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8. La o florărie s-au adus 1200 de flori: garoafe, lalele şi trandafiri. Dintre acestea, 347 nu sunt nici trandafiri, nici garoafe. Aflaţi câte flori de fiecare fel s-au adus la florărie, ştiind că numărul tranda-firilor este cu 122 mai mare decât numărul lalelelor.

Rezolvare_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

R: ____________________________9. Să se afle numărul abcd, ştiind că: abcd + bcd + cd + d = 1 966

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