Counting by 2
2,4,6, ____
8
14+6
20
10-5
5
10-4
6
10+2
2,4,____,8
6
15+5
20
14-8
6
6-3
3
7+3
10
10,12,14,___,18
16
11+6
17
18-4
14
7-4
3
2+5
7
0,2,4,6,8,___
10
8+10
18
11-7
4
9-4
5
6+3
9
14,16,18,___,22
20
18+8
26
22-12
10
12-6
6
12+5
17