To do this awesome trick, say you want to do 5×9, start on your left hand and count five starting from your thumb and close your fifth finger and you should have 4 fingers on your left and 5 on your right and you have 45 have your answer
And another trick is get a paper
and write like this first 0 to 9
0
1
2
3
4
5
6
7
8
9
Then write on the other side but backwards.
09
18
27
36
45
54
63
72
81
90
And you wrote the 9 times table like that.
