Half of 12 is...
6
Half of 6 is...
3
Half of 16 is...
8
Half of 2 is...
1
Half of 10 is...
5
Half of 14 is...
7
Half of 4 is...
2
Half of 8 is...
4
Double 10 is...
20
Double 5 is...
10
Double 6 is...
12
Half of 20 is...
10
Double 8 is...
16
Double 1 is...
2
Double 3 is..
6
Double 9 is...
18
Double 2 is...
4
Double 4 is...
8
Half of 18 is...
9
Double 7 is...
14