Addition
18 + 65 =
83
15 - 8 =
7
2 x 1 =
2
2, 4, 6, 8, 10, 12, 14, __, __, __
16, 18, 20
1, 2, 3, 4, 5, __, __, __
6, 7, 8
15 + 15 =
30
35 - 28 =
7
5 x 2 =
10
8 - _ = 4
What number should go in the blank?
4
10, 20, 30, 40, 50, __, __, __
60, 70, 80
29 + 14 =
43
92 - 75 =
17
4 x 3 =
12
10 + 14 +2 =
26
5, 10, 15, __, __, __, __, __
20, 25, 30, 35, 40
96 + 58 =
154
104 - 22 =
82
3 x 3 =
9
75 + 4 =
79
3, 6, 9, 12, 15, __, __, __, __, __
18, 21, 24, 27, 30
246 + 355 =
601
236 - 90 =
227
2 x 8 =
16
100 - 50 =
50
8, 16, 24, __, __
32, 40