Every year, even older students still get mixed up about horizontal and vertical slopes. Students do understand “rise over run,” but when it comes to horizontal and vertical slopes, things...
♥♥♥♥♥♥♥♥
In this updated activity, students will explore parametric equations to graph a heart shape using sine and cosine functions. Begin with the starter activity to set the stage (o...
🎃Leverage your students' Halloween enthusiasm with this activity, where they’ll calculate the volume of various trick-or-treat bags—ranging from rectangular prisms to spheres, cylinders, and con...
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 to ma...
When Columbus landed in Guanahani (renamed San Salvador, Bahama Islands by Columbus), he began the European settlement of the New World. Guanahani was inhabited by the
Taíno people and...
Updated for 2023!
Saturday, September 23, 2023 at 06:50 UTC (2:50 am EST),
will be the Autumnal Equinox. It is the time of year when an imaginary plane would pass through both the Earth...