Addition
Which is the right answer?
900+24=240
590+7=597
590+7=597
23-5
18
2 apples were sold, someone else bought 7, how much altoghether?
answer:14
2x7=14
902x1
902
35+9
44
44-44
0
Which is the right answer?
30x1=35
40x2=80
40x2=80
55+3
58
99+2
101
45-0
45
13x25=?
215
90-1
89
3000+9
3009
500-20
480
98x23=?
1824
67-2
65
400+9
409
34-34
0
34x3
102
8-6=
2