1) Scrie sub forma unei impartiri ; 16-2-2-2-2-2-2-2-2=0; 20-2-2-2-2-2-2-2-2-2-2=0 ; 8-2-2-2-2=0 ; 10-2-2-2-2-2=0.
2)Afla catul numerelor : 16 si 2; 20 si 2; 14 si 2 ; 10 si 2;
a) de doua ori mai mare decat ; 2 ; 6; 8; 4;
b) de doua ori mai mic decat : 2; 6; 8; 4;
Scrie sub forma unei impartiri ; 16-2-2-2-2-2-2-2-2=0 ; 20-2-2-2-2-2-2-2-2-2-2=0 ; 8-2-2-2-2=0 ; 10-2-2-2-2-2=0