Counting by 2's
What number comes next? 2, 4, ?
6
What number comes next? 5, 10, ?
15
1+1
2
10+5
15
10+10
20
What number comes next? 6, 8, 10, ?
12
What number comes next? 20, 25, 30, ?
35
3+3
6
13+3
16
20+20
40
What number comes next: 14, 16, 18, ?
20
What number comes next? 45, 50, 55, ?
60
12
22+2
24
51+10
61
What number is missing? 2, , 6, 8, 10
4
What number is missing? 5, , 15, 20?
10
14
42+6
48
34+30
60
What number is missing? 36, 38, 40, , 44
42
What number is missing? 35, 40, , 50, 55?
45
9+9
18
76+3
79
29+70
99