Feb

13

When children solve a jigsaw puzzle they use various strategies to improve their “hit rate”, finding pieces that fit the appropriate spaces.

Nov

30

Two four-year-old boys are working with a balance and a collection of gourds. Tyler explains, “We're trying to get this to go this way, and this one's too heavy.”

Oct

3

Ethan and Kai, 3 years, work for 7.5 minutes to complete a large puzzle of a fire truck. The pieces are large enough for the boys to see printed on the piece most of a recognizable part of the fire truck, such as half of a tire, most of a window.

Aug

26

When children are very young, say in the first year of life, we can see patterns in their behavior.  We give these early patterns the status of a routine or a habit.  We say "Boo", and they smile.  They see a string hanging from the