There was a bulldozer clearing an empty lot on our road for a whole month. We watched some big trees fall, including mango and coconut trees. It made a big impression on the boys, and everything in the house has become a dozer...chairs, tables, wooden blocks, and when some friends gave us a bunch of legos, they became very intricate dozers. So, while all the toys were being dozed, I added in some educational trees...cuisenaire math rods. I made them all into 10 cm trees and the boys had fun dozing them and having them grow back again and again. Soon after, the smaller units became cones to block the roads near the dozing sites. This is the most that these math rods have been used so far! While they're playing, they're seeing different ways of adding up to ten.
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