9 and 10 years old

Reading the weather page

Reading the weather page

An important part of training young minds is modeling a healthy skepticism. Today's weather column in the Star Tribune included the following observation: Minnesota is nippy during the winter...but we don't have to stress about tsunamis, volcanoes or...

Cookies under constraints

Cookies under constraints

A propos of nothing one day, I ask Griffin (9 years old at the time, finishing up fourth grade) a question. Me: Griff, imagine you are baking cookies and you need $latex \frac{3}{4}$ cup of sugar, but you only have a $latex \frac{1}{2}$ cup measure. How would...