a.
modul 1:
10+4=14 animale
14:2=7 boxe
(10+4):2=14:2=7
modul 2:
10:2=5 boxe de vaci
4:2=2 boxe de cai
5+2=7 boxe in total
(10:2)+(4:2)=5+2=7
b.
modul 1:
9:3=3 grupe baieti
12:3=4 grupe fete
3+4=7 grupe un total
(9:3)+(12:3)=3+4=7
modul 2:
9+12=21 copii
21:3=7 grupe in total
(9+12):3=21:3=7
c.
modul 1:
45:9=5 randuri clasa 3
54:9=6 randuri clasa 4
6-5=1 rand
(54:9)-(45:9)=6-5=1
modul 2:
63-54=9 elevi mai multi in clasa 4
9:8=1 rand in plus
(63-54):9=9:9=1
d.
modul 1:
15:3=5 pungi cirese
12:3=4 pungu visine
5-4=1 punga de cirese mai mult ca visine
(15:3)-(12:3)=5-4=1
modul 2:
15-12=3 kg cirese in plus
3:3=1 punga cirese mai mult ca visine
(15-12):3=3:3=1
e.
modul 1:
24:6=4 cutii cuburi rosii
36:6=6 cutii cuburi galbene
4+6=10 cutii a primit
(24:6)+(36:6)=4+6=10
modul 2:
24+36=60 cuburi in total
60:6=10 cutii a primit
(24+36):6=60:6=10
f.
modul 1:
60:10=6 cofeaje oua gaina
40:10=4 cofraje oua prepelita
6-4=2 cofraje mai mult
(60:10)-(40:10)=6-4=2
modul 2:
60-40=20 oua mai multe de gaina ca prepelita
20:10=2 cofraje in plus
(60-40):10=20:10=2