The 5 year old and I were playing with his Lego ninjas before school. We had the bad guy cornered, and his Lego ninja took out his sword to finish off the bad guy. He 'sliced' the Lego villain from top to bottom, very carefully down his midline; and then to be sure he was defeated, he sliced him from left to right across his belly. The 5 year old then exclaims 'You are defeated, I cut you in 4'. Me: "Yes, you did slice him into 4 pieces' Great to know he has his fractions down, even if it is through ninja slicing. I will have to find more ways to introduce math in creative play, much more effective than memorization.