Table of the number 1:

1 X 1 = 1
1 X 2 = 2
1 X 3 = 3
1 X 4 = 4
1 X 5 = 5
1 X 6 = 6
1 X 7 = 7
1 X 8 = 8
1 X 9 = 9
1 X 10 = 10
1 X 11 = 11
1 X 12 = 12
1 X 13 = 13
1 X 14 = 14
1 X 15 = 15
1 X 16 = 16
1 X 17 = 17
1 X 18 = 18
1 X 19 = 19
1 X 20 = 20