rows columns arrays
2 rows of 3 is
6
2x2=
4
1x5=
5
10x2=
20
4x4=
16
5 rows of 4 is
20
2x6=
12
5x3=
15
10x4=
40
3x3=
9
2 rows of 5 is
10
2x4=
8
5x5=
25
10x7=
70
6x6=
36
5 rows of 9 is
45
2x9=
18
5x2=
10
10x10=
100
8x8=
64
4 rows of 8 is
32
2x11=
22
5x9=
45
10x12=
120
100x1=
100