Adding
12+7
19
50-1
49
87__,___, ___
88, 89, 90
___, ___, 50, 51
48, 49
35+5
40
54+3
57
35-4
12, __, ___, ___
13, 14, 15
What two numbers come before 30?
28, 27
61-3
58
76+8
84
20-9
11
17, ___, ___20, ___
18, 19, 21
Counting backwards what comes before 83?
82
14+4
18
100+11
111
48-9
39
55, ___, ___, ___
56, 57, 58
49, ___, ___, ___
48, 47, 46
64+7
71
99+5
104
99-11
87
110___, 114, 116
112
What number comes before 120?
119
63-5
58