Adding 2 x2
33 + 33 =
66
What number is missing..
66, 67, 68, , 70
69
What number is greater:
23 or 32
32
Add in a snap:
4 + 5=
9
45 + 44 =
89
What number is missing...
20, 30, 40, , 60
50
What number is greater:
102 or 120
120
Add in a snap:
6 + 7 =
13
55 + 55 =
110
What number is missing...
65, 70, 75, 80, , 90
85
What number is greater:
454 or 453
454
Add in a snap:
8 + 7=
15