Cubes

Number	Cube
2	8
3	27
4	64
5	125
6	216
7	343
8	512
9	729

Squares

n	n^2
13	169
14	196
15	225
16	256
17	289
18	324
19	361
20	400
21	441
22	484
23	529
24	576
25	625
26	676
27	729
28	784
29	841

Learning common formulae - fractions/reciprocals

1/n	1/n as %
1/1	100
1/2	50
1/3	33.33
1/4	25
1/5	20
1/6	16.66
1/7	14.28
1/8	12.5
1/9	11.11
1/10	10
1/11	9.09
1/12	8.33
1/13	7.69
1/14	7.14
1/15	6.66
1/16	6.25
1/17	5.88
1/18	5.55
1/19	5.26