PBS
Pbs Learning Media: 5 Back to School Tools to Add to Your Teacher Toolkit
Five Top Places to "Buy" New Ideas: Pinterest, PBS LearningMedia, STEM learning, EFPractice, and STEM and the six cross-cutting concepts. Information about each of the above resources is available on this site.
Other
Stem Learning: Critical Path Analysis
The problem requires students to plan the activities a property developer needs to do in order to complete the tasks, keeping costs to a minimum and using only one worker.