1 of 1 ·The Best Choice for Whom?

Lesson 1 · Choices and Trade-offs
Choose criteria from the goal and the people affected.
Click to zoomIllustration supporting Best is incomplete without a goalThe cheapest option may not be the safest; the fastest may not be the most reliable. A reasoned choice begins by naming the goal, the people affected and the criteria that matter.
A science centre may maximise learning, a park may cost less, and a museum may be easiest to reach. Different groups can rank the same options differently without anyone being irrational.
3 more parts in this lesson
Walkthroughs, code labs, mini-games and the checkpoint quiz unlock when you buy the course.