Category Puzzle

iOS app suggestions for preschoolers+

Last July, I posted about apps for toddlers and preschoolers. This update, by request, is meant for preschoolers, kindergarteners, and some for early grade schoolers. By now, your little one may be a master tablet manipulator, so dragging cute bunnies around the screen doesn’t cut it anymore.  She’ll want more challenge and you’ll want higher […]

Everyone in the World could fit on the Big Island of Hawai’i

My four year old recently asked me whether everyone on the planet could fit in one city. It turns out that if each person occupied one square meter, an area of about 7,200 km² (2780 mi²) would be required. (See revisions below based on current 2016 population estimates.) This is more than 3x the land area […]