is there any inerratic way for learning number? 1=uno 11=once remove the last letter"o" and add "ce"at the end of the word. 2=dos 12=doce remove the last letter..... 3=tres 13=trece as same as them... 4=cuatro 14=catorce but this is not like that, cuator change to catoro,why? 5=cinco 15=quince I can't remember this,why it changes to a other word?? totally different.. 6=seis 16=dieciseis coz,the 10=diez,so that 16 is diecieis,it that die(10)+ci+seis(6),why there is ci,what's that stands for?? I make for these examples just wanna ask is there any good way to remember these number..... thank you~