Formulas: Who's Fastest?
''Let's test who's the fastest runner! . . what about the fastest walker? Formulae can help answer these questions and calculate how close you are to setting a Marathon World Record!’ Who's the fastest in the class? How do we know? What does "fastest" mean exactly? Discuss this as a class. How might find out, right now, who's fastest . . . ? An outside running race (or inside walking race if it's raining!), two...