What number comes next
20
49
36
65
23
=
=
=
=
=
27
78
57
45
33
=
=
=
=
=
What number comes before
=
=
=
=
=
4
29
53
10
21
=
=
=
=
=
6
89
100
78
60
Buddies to Ten
3
+
=
10
9
+
=
10
6
+
=
10
7
+
=
10
8
+
=
10
1
+
=
10
2
+
=
10
5
+
=
10
4
+
=
10
0
+
=
10
Skip Counting
2
4
6
12
14
16
18
20
20
22
24
26
30
32