Common Core standard
Activities for HSG.MG.A.2
Real-world activities aligned to this standard.
How many baseballs are in this truck?
In 2017, Old Dominion Freight Line offered 2 free tickets to the next 3 World Series to the person who guesses closest to "How many baseballs are in...
Algebra
Geometry
Grades 8–HS
Civil rights marches, how do you count a crowd?
On October 16, 1995, perhaps a million black men gathered for the Million Man March on Washington. This was 32 years after Martin Luther King, Jr. gave his...
Number Sense
Geometry
Grades 4–HS
Rescue of the Chilean miners - The 33
On August 5, 2010, the San Jose copper-gold mine near Copiapó, Chile collapsed stranding 33 miners in a large cavern more than 2,000 feet below ground. A new...
Geometry
Math and Science
Grades 7–HS