Addition
7+5=
12
12-2=
10
5x5=
25
10/2=
5
Skip Count in 2s
0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20
9+2=
11
15-7=
8
10x9=
90
9/3=
3
Skip Count in 5s
0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50
15+7=
22
20-11=
2x7=
14
12/4=
3
Skip Count backwards in 10s
100, 90, 80, 70, 60, 50, 40, 30, 20, 10, 0
21+9=
30
19-8=
11
6x6=
36
100/10=
10
Skip Count in 3s
0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30
50+51=
101
100-38=
62
7x8=
56
64/8=
8
Skip Count in 4s
0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40