1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144

Today daddy taught me about numbers above are called square numbers, they make a square shape:

1 x 1 = 1

2 x 2 = 4

3 x 3 = 9

4 x 4 = 16

5 x 5 = 25

6 x 6 = 36

7 x 7 = 49

8 x 8 = 64

9 x 9 = 81

10 x 10 = 100

11 x 11 = 121

12 x 12 = 144