Adding
23+15=
38
33-12=
21
2x3=
6
Which is greater: 123 or 232
232
What number comes next: 1, 2, 3, ...
4
12+25=
37
45-20=
25
4x4=
16
Which is smaller: 245 or 254
245
What number comes next: 2, 4, 6, ...
8
17+22
39
28-14=
14
5x2=
10
Which number is bigger: 321 or 312
321
What number comes next: 5, 10, 15, ...
20
34+10
44
50-20=
30
3x7=
21
Which number is less: 403 or 430
403
What number comes next: 10, 20, 30, ...
46+3
49
39-19=
20
6x6=
36
Are these two numbers the same or different: 521 and 512
Different
What number comes next: 20, 40, 60, ...
80