Addition (no regrouping)
10 + 30
40
9 - 7
2
12 + 8
20
12 - 5
7
Fill in the missing numbers...
5, 10, ___, 20, ____
15, 25
13 + 2
15
19 - 2
17
25 + 15
40
22 - 18
4
Fill in the missing numbers...
10, 20, ____, 40, 50, ____
30, 60
25 + 13
38
28 - 15
13
38 + 29
67
30 - 14
16
Fill in the missing numbers...
32, 42, 52, ____, _____, 82
62, 72
82 + 12
94
86 - 33
53
89 + 9
98
81 - 26
55
Fill in the missing numbers...
84, 74, ____, 54, ____
64, 44
53 + 26
79
74 - 41
33
63 + 19
82
95 - 47
48
Fill in the missing numbers...
97, ____, 77, ____, 57
87, 67