#the only reason i know my 9 times table is bc of this #so like 5x9=45 bc 5-1=4 and 9-4=5 #lessee 11x9=99 12x9=108 13x9=117 14x9=126 15x9=135 #5-2=3 and 8-3=5 #and you know its in the 100s #also all numbers added together still make 9 #even 99 bc 9+9=18 and 1+8=9 #love it #maaaaaath