http://www.jvlnet.com/~liliana/Spanish_Numbers.html numbershttp://www.donquijote.org/spanishlanguage/numbers/numbers2.asphttp://www.quia.com/jg/65552.htmlhttp://mld.ursinus.edu/~jarana/Ejercicios/self-check/numbers/numbers1.htmhttp://www.apples4theteacher.com/costa-rica-dot2dot.html (Hear and see numbers 1-20)
http://www.quia.com/jg/65552.htmlhttp://www.studyspanish.com/lessons/cardnum3.htmhttp://www.spanish.bz/numbers.htm