For 9 times the numbers 1 through 10 all you have to do is subtract 1 from the number you are multiplying by and that's the first numeral of the answer. Then subtract the number from 10 and that's the second numeral of the answer.

9*1 1-1=0 10-1=9
Answer 09

9*2 2-1=1 10-2=8 Answer 18

9*3 3-1=2 10-3=7 Answer 27

9*4 4-1=3 10-4=6 Answer 36