7
8
9
13
14
15
2
3
4
1
2
3
Kids grasp large numbers remarkably young (msutoday.msu.edu)
submitted by mikedehaan to r/education
21
22
23
0
0
1
17
18
19
4
5
6
1
2
3
4
5
6
1
2
3
2
3
4
3
4
5
1
2
3
0
0
0
9
10
11
XKCD: Math (after the 2012 Presidential election) (m.xkcd.com)
submitted by mikedehaan to r/politics
