Curated OER
Portable Sundial
Students work together to identify the accuracy of sundials. They track the position of the sun and create a shadow plot. They discover the difference between real time and clock time.
Curated OER
Giants Stalk the High Street
Learners explore consumerism in Great Britain. In this current events lesson, students visit selected websites to determine how shopping habits have changed in Britain throughout the years. They also evaluate changes in market shares of...
Illustrative Mathematics
Illustrative Mathematics: G Mg, G Gmd Global Positioning System Ii
Satellites communicate with a GPS device and establish the distance between them and their locations. The set of points at a fixed distance from a satellite form a sphere so when the GPS receives its distance from a given satellite, this...