Test de evaluare(Adunarea şi scăderea numerelor naturale de la 0 la 1000)

1. Efectuează:

543 + 356 = _____ 687 – 547 = _____ 234 + 150 + 127 = _____224 + 406 = _____ 852 – 347 = _____ 174 + 319 + 150 = _____380 + 247 = _____ 848 – 259 = _____ 235 + 498 – 385 = _____ - _____ = _____498 + 235 = _____ 654 – 368 = _____ 802 – 674 + 269 = _____ - _____ = _____

2. Află: a) un număr cu 357 mai mare decât 828: ____________________________________________________ b) cu cât este mai mare numărul 639 decât 273: ______________________________________________c) un număr cu 372 mai mic decât suma numerelor 209 şi 587:_____________________________________________________________________________________ c) cu cât este mai mare suma numerelor 359 şi 486 decât numărul 456: ____________________________________________________________________________________

R: ________________________________________________________________

3. Află numerele necunoscute:a) 258 + m = 802 b) n – 234 = 367 c) 987 – g = 638__________________ ___________________ ___________________ __________________ ___________________ _____________________________________ ___________________ ___________________

d). Ce număr trebuie adunat cu suma numerelor 335 şi 207 pentru a obţine numărul 894?____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________R: _______________________________________________________________________________

4. Corina are 350 de timbre. Câte timbre îi mai rămân după ce îi dă Anei 125 şi lui Darius cu 47 mai multe timbre?

Rezolvă problema şi scrie rezolvarea într-o singură expresie numerică.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

4. Compune o problemă care să se rezolve după exercitiul : 129 + (129 + 275 ) = ? . Rezolvă problema.

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