Activities about HSG-MG.1

The Autumnal Equinox will occur on Tuesday, September 22, 2026, at 8:06 pm EDT. It is the time of year when an imaginary plane would pass through both...

It is really dark out now. Why is that? Students appreciate how their latitude effects the darkness of their late afternoon location as they study the earth's tilt...

Gumball Machine Problem from Brian Marks on Vimeo This problem is a little puzzle to get your students thinking, estimating, and calculating. We've given you a pdf file...

Brian Shoemaker, a Newton, MA mathematics teache r, saw this Dunkin Donuts Mazda traveling down the road. He wondered if that size coffee cup could really have coffee...