This full unit in trigonometry introduces the world water crisis. Students engage in real-world problem-solving activities that access 21st-century skills while learning mathematics.
Courtney Fox and Anna DeJarnette
Rob Wieman, Lindsay Freedman, Paul Albright, Deb Nolen, and Jessica Onda
Four teachers and a teacher educator move from guided notes to strings in a series of problems that support students in increased engagement, reasoning, sense making, and problem solving.