Common Core standard
Activities for 7.G.A.3
Real-world activities aligned to this standard.
Autumnal Equinox
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...
Algebra
Science
Grades 6–8
A geodesic icosahedron, the Times Square New Year's eve ball
Image by kjpargeter on Freepik It's a gorgeous ball, covered with Waterford Crystal triangles, shaped as a geodesic icosahedron. Every New Year's Eve it descends in Times Square...
Geometry
Math and Science