Post by Maestro on Jan 26, 2011 7:51:55 GMT -5
Bien Fácil
www.vectorkids.com/vkfractions.htm
Un poquito más difícil....
www.ixl.com/math/practice/grade-5-convert-between-improper-fractions-and-mixed-numbers
Prepara pizza
www.mrnussbaum.com/pizza_game/index.html