Topic
Activities about Volume
How Many Donuts is That?
Act One: Take a look at the first picture (Krispy-Kreme-photos). What is the first question that comes to mind? How many donuts is that? What information would be...
Number Sense
Geometry
Grades 4–7
Green, green river
During the St. Patrick's Day parade in Chicago, the local plumbers union dyes the Chicago River emerald green. Students learn what PPM (parts per million) means and attempt...
Algebra
Number Sense
Grades 5–7
Is this possible?
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...
Algebra
Number Sense
Grades 7–HS
Geometry of Flooding
To this day, the March 2010 floods in Massachusetts were described as “once-in-a-generation” river levels, experiencing the highest levels in 23 years and setting new records. This two-page...
Number Sense
Geometry
Grades 5–HS